Merge branch '19744-acr-crunchstat' refs #19744
[arvados.git] / tools / crunchstat-summary / crunchstat_summary / summarizer.py
index 2bd329719bec70300d268b06bb6abe8e3abf245c..bc41fdae33272d3df98ad8c998bf5a05db308120 100644 (file)
@@ -12,15 +12,17 @@ import itertools
 import math
 import re
 import sys
-import threading
 import _strptime
+import arvados.util
+
+from concurrent.futures import ThreadPoolExecutor
 
 from crunchstat_summary import logger
 
 # Recommend memory constraints that are this multiple of an integral
 # number of GiB. (Actual nodes tend to be sold in sizes like 8 GiB
 # that have amounts like 7.5 GiB according to the kernel.)
-AVAILABLE_RAM_RATIO = 0.95
+AVAILABLE_RAM_RATIO = 0.90
 MB=2**20
 
 # Workaround datetime.datetime.strptime() thread-safety bug by calling
@@ -63,8 +65,11 @@ class Summarizer(object):
         # are already suitable.  If applicable, the subclass
         # constructor will overwrite this with something useful.
         self.existing_constraints = {}
+        self.node_info = {}
+        self.cost = 0
+        self.arv_config = {}
 
-        logger.debug("%s: logdata %s", self.label, logdata)
+        logger.info("%s: logdata %s", self.label, logdata)
 
     def run(self):
         logger.debug("%s: parsing logdata %s", self.label, self._logdata)
@@ -72,78 +77,23 @@ class Summarizer(object):
             self._run(logdata)
 
     def _run(self, logdata):
-        self.detected_crunch1 = False
-        for line in logdata:
-            if not self.detected_crunch1 and '-8i9sb-' in line:
-                self.detected_crunch1 = True
-
-            if self.detected_crunch1:
-                m = re.search(r'^\S+ \S+ \d+ (?P<seq>\d+) job_task (?P<task_uuid>\S+)$', line)
-                if m:
-                    seq = int(m.group('seq'))
-                    uuid = m.group('task_uuid')
-                    self.seq_to_uuid[seq] = uuid
-                    logger.debug('%s: seq %d is task %s', self.label, seq, uuid)
-                    continue
-
-                m = re.search(r'^\S+ \S+ \d+ (?P<seq>\d+) (success in|failure \(#., permanent\) after) (?P<elapsed>\d+) seconds', line)
-                if m:
-                    task_id = self.seq_to_uuid[int(m.group('seq'))]
-                    elapsed = int(m.group('elapsed'))
-                    self.task_stats[task_id]['time'] = {'elapsed': elapsed}
-                    if elapsed > self.stats_max['time']['elapsed']:
-                        self.stats_max['time']['elapsed'] = elapsed
-                    continue
+        if not self.node_info:
+            self.node_info = logdata.node_info()
 
-                m = re.search(r'^\S+ \S+ \d+ (?P<seq>\d+) stderr Queued job (?P<uuid>\S+)$', line)
-                if m:
-                    uuid = m.group('uuid')
-                    if self._skip_child_jobs:
-                        logger.warning('%s: omitting stats from child job %s'
-                                       ' because --skip-child-jobs flag is on',
-                                       self.label, uuid)
-                        continue
-                    logger.debug('%s: follow %s', self.label, uuid)
-                    child_summarizer = NewSummarizer(uuid)
-                    child_summarizer.stats_max = self.stats_max
-                    child_summarizer.task_stats = self.task_stats
-                    child_summarizer.tasks = self.tasks
-                    child_summarizer.starttime = self.starttime
-                    child_summarizer.run()
-                    logger.debug('%s: done %s', self.label, uuid)
-                    continue
-
-                # 2017-12-02_17:15:08 e51c5-8i9sb-mfp68stkxnqdd6m 63676 0 stderr crunchstat: keepcalls 0 put 2576 get -- interval 10.0000 seconds 0 put 2576 get
-                m = re.search(r'^(?P<timestamp>[^\s.]+)(\.\d+)? (?P<job_uuid>\S+) \d+ (?P<seq>\d+) stderr (?P<crunchstat>crunchstat: )(?P<category>\S+) (?P<current>.*?)( -- interval (?P<interval>.*))?\n$', line)
-                if not m:
-                    continue
-            else:
-                # crunch2
-                # 2017-12-01T16:56:24.723509200Z crunchstat: keepcalls 0 put 3 get -- interval 10.0000 seconds 0 put 3 get
-                m = re.search(r'^(?P<timestamp>\S+) (?P<crunchstat>crunchstat: )?(?P<category>\S+) (?P<current>.*?)( -- interval (?P<interval>.*))?\n$', line)
-                if not m:
-                    continue
+        for line in logdata:
+            # crunch2
+            # 2017-12-01T16:56:24.723509200Z crunchstat: keepcalls 0 put 3 get -- interval 10.0000 seconds 0 put 3 get
+            m = re.search(r'^(?P<timestamp>\S+) (?P<crunchstat>crunchstat: )?(?P<category>\S+) (?P<current>.*?)( -- interval (?P<interval>.*))?\n$', line)
+            if not m:
+                continue
 
             if self.label is None:
                 try:
                     self.label = m.group('job_uuid')
                 except IndexError:
                     self.label = 'label #1'
-            category = m.group('category')
-            if category.endswith(':'):
-                # "stderr crunchstat: notice: ..."
-                continue
-            elif category in ('error', 'caught'):
-                continue
-            elif category in ('read', 'open', 'cgroup', 'CID', 'Running'):
-                # "stderr crunchstat: read /proc/1234/net/dev: ..."
-                # (old logs are less careful with unprefixed error messages)
-                continue
 
-            if self.detected_crunch1:
-                task_id = self.seq_to_uuid[int(m.group('seq'))]
-            else:
-                task_id = 'container'
+            task_id = 'container'
             task = self.tasks[task_id]
 
             # Use the first and last crunchstat timestamps as
@@ -172,12 +122,23 @@ class Summarizer(object):
             if self.finishtime is None or timestamp > self.finishtime:
                 self.finishtime = timestamp
 
-            if (not self.detected_crunch1) and task.starttime is not None and task.finishtime is not None:
+            if task.starttime is not None and task.finishtime is not None:
                 elapsed = (task.finishtime - task.starttime).seconds
                 self.task_stats[task_id]['time'] = {'elapsed': elapsed}
                 if elapsed > self.stats_max['time']['elapsed']:
                     self.stats_max['time']['elapsed'] = elapsed
 
+            category = m.group('category')
+            if category.endswith(':'):
+                # "stderr crunchstat: notice: ..."
+                continue
+            elif category in ('error', 'caught'):
+                continue
+            elif category in ('read', 'open', 'cgroup', 'CID', 'Running'):
+                # "stderr crunchstat: read /proc/1234/net/dev: ..."
+                # (old logs are less careful with unprefixed error messages)
+                continue
+
             this_interval_s = None
             for group in ['current', 'interval']:
                 if not m.group(group):
@@ -244,55 +205,73 @@ class Summarizer(object):
                     self.job_tot[category][stat] += val
         logger.debug('%s: done totals', self.label)
 
-        missing_category = {
-            'cpu': 'CPU',
-            'mem': 'memory',
-            'net:': 'network I/O',
-            'statfs': 'storage space',
-        }
-        for task_stat in self.task_stats.values():
-            for category in task_stat.keys():
-                for checkcat in missing_category:
-                    if checkcat.endswith(':'):
-                        if category.startswith(checkcat):
-                            missing_category.pop(checkcat)
-                            break
-                    else:
-                        if category == checkcat:
-                            missing_category.pop(checkcat)
-                            break
-        for catlabel in missing_category.values():
-            logger.warning('%s: %s stats are missing -- possible cluster configuration issue',
-                        self.label, catlabel)
+        if self.stats_max['time'].get('elapsed', 0) > 20:
+            # needs to have executed for at least 20 seconds or we may
+            # not have collected any metrics and these warnings are duds.
+            missing_category = {
+                'cpu': 'CPU',
+                'mem': 'memory',
+                'net:': 'network I/O',
+                'statfs': 'storage space',
+            }
+            for task_stat in self.task_stats.values():
+                for category in task_stat.keys():
+                    for checkcat in missing_category:
+                        if checkcat.endswith(':'):
+                            if category.startswith(checkcat):
+                                missing_category.pop(checkcat)
+                                break
+                        else:
+                            if category == checkcat:
+                                missing_category.pop(checkcat)
+                                break
+            for catlabel in missing_category.values():
+                logger.warning('%s: %s stats are missing -- possible cluster configuration issue',
+                            self.label, catlabel)
 
     def long_label(self):
         label = self.label
         if hasattr(self, 'process') and self.process['uuid'] not in label:
             label = '{} ({})'.format(label, self.process['uuid'])
-        if self.finishtime:
-            label += ' -- elapsed time '
-            s = (self.finishtime - self.starttime).total_seconds()
-            if s > 86400:
-                label += '{}d'.format(int(s/86400))
-            if s > 3600:
-                label += '{}h'.format(int(s/3600) % 24)
-            if s > 60:
-                label += '{}m'.format(int(s/60) % 60)
-            label += '{}s'.format(int(s) % 60)
+        return label
+
+    def elapsed_time(self):
+        if not self.finishtime:
+            return ""
+        label = ""
+        s = (self.finishtime - self.starttime).total_seconds()
+        if s > 86400:
+            label += '{}d '.format(int(s/86400))
+        if s > 3600:
+            label += '{}h '.format(int(s/3600) % 24)
+        if s > 60:
+            label += '{}m '.format(int(s/60) % 60)
+        label += '{}s'.format(int(s) % 60)
         return label
 
     def text_report(self):
         if not self.tasks:
             return "(no report generated)\n"
         return "\n".join(itertools.chain(
-            self._text_report_gen(),
-            self._recommend_gen())) + "\n"
+            self._text_report_table_gen(lambda x: "\t".join(x),
+                                  lambda x: "\t".join(x)),
+            self._text_report_agg_gen(lambda x: "# {}: {}{}".format(x[0], x[1], x[2])),
+            self._recommend_gen(lambda x: "#!! "+x))) + "\n"
 
     def html_report(self):
-        return WEBCHART_CLASS(self.label, [self]).html()
+        tophtml = """{}\n<table class='aggtable'><tbody>{}</tbody></table>\n""".format(
+            "\n".join(self._recommend_gen(lambda x: "<p>{}</p>".format(x))),
+            "\n".join(self._text_report_agg_gen(lambda x: "<tr><th>{}</th><td>{}{}</td></tr>".format(*x))))
+
+        bottomhtml = """<table class='metricstable'><tbody>{}</tbody></table>\n""".format(
+            "\n".join(self._text_report_table_gen(lambda x: "<tr><th>{}</th><th>{}</th><th>{}</th><th>{}</th><th>{}</th></tr>".format(*x),
+                                                        lambda x: "<tr><td>{}</td><td>{}</td><td>{}</td><td>{}</td><td>{}</td></tr>".format(*x))))
+        label = self.long_label()
 
-    def _text_report_gen(self):
-        yield "\t".join(['category', 'metric', 'task_max', 'task_max_rate', 'job_total'])
+        return WEBCHART_CLASS(label, [self]).html(tophtml, bottomhtml)
+
+    def _text_report_table_gen(self, headerformat, rowformat):
+        yield headerformat(['category', 'metric', 'task_max', 'task_max_rate', 'job_total'])
         for category, stat_max in sorted(self.stats_max.items()):
             for stat, val in sorted(stat_max.items()):
                 if stat.endswith('__rate'):
@@ -300,66 +279,135 @@ class Summarizer(object):
                 max_rate = self._format(stat_max.get(stat+'__rate', '-'))
                 val = self._format(val)
                 tot = self._format(self.job_tot[category].get(stat, '-'))
-                yield "\t".join([category, stat, str(val), max_rate, tot])
-        for args in (
-                ('Number of tasks: {}',
+                yield rowformat([category, stat, str(val), max_rate, tot])
+
+    def _text_report_agg_gen(self, aggformat):
+        by_single_task = ""
+        if len(self.tasks) > 1:
+            by_single_task = " by a single task"
+
+        metrics = [
+            ('Elapsed time',
+             self.elapsed_time(),
+             None,
+             ''),
+
+            ('Estimated cost',
+             '${:.3f}'.format(self.cost),
+             None,
+             '') if self.cost > 0 else None,
+
+            ('Assigned instance type',
+             self.node_info.get('ProviderType'),
+             None,
+             '') if self.node_info.get('ProviderType') else None,
+
+            ('Instance hourly price',
+             '${:.3f}'.format(self.node_info.get('Price')),
+             None,
+             '') if self.node_info.get('Price') else None,
+
+            ('Max CPU usage in a single interval',
+             self.stats_max['cpu']['user+sys__rate'],
+             lambda x: x * 100,
+             '%'),
+
+            ('Overall CPU usage',
+             float(self.job_tot['cpu']['user+sys']) /
+             self.job_tot['time']['elapsed']
+             if self.job_tot['time']['elapsed'] > 0 else 0,
+             lambda x: x * 100,
+             '%'),
+
+            ('Requested CPU cores',
+             self.existing_constraints.get(self._map_runtime_constraint('vcpus')),
+             None,
+             '') if self.existing_constraints.get(self._map_runtime_constraint('vcpus')) else None,
+
+            ('Instance VCPUs',
+             self.node_info.get('VCPUs'),
+             None,
+             '') if self.node_info.get('VCPUs') else None,
+
+            ('Max memory used{}'.format(by_single_task),
+             self.stats_max['mem']['rss'],
+             lambda x: x / 2**20,
+             'MB'),
+
+            ('Requested RAM',
+             self.existing_constraints.get(self._map_runtime_constraint('ram')),
+             lambda x: x / 2**20,
+             'MB') if self.existing_constraints.get(self._map_runtime_constraint('ram')) else None,
+
+            ('Maximum RAM request for this instance type',
+             (self.node_info.get('RAM') - self.arv_config.get('Containers', {}).get('ReserveExtraRAM', 0))*.95,
+             lambda x: x / 2**20,
+             'MB') if self.node_info.get('RAM') else None,
+
+            ('Max network traffic{}'.format(by_single_task),
+             self.stats_max['net:eth0']['tx+rx'] +
+             self.stats_max['net:keep0']['tx+rx'],
+             lambda x: x / 1e9,
+             'GB'),
+
+            ('Max network speed in a single interval',
+             self.stats_max['net:eth0']['tx+rx__rate'] +
+             self.stats_max['net:keep0']['tx+rx__rate'],
+             lambda x: x / 1e6,
+             'MB/s'),
+
+            ('Keep cache miss rate',
+             (float(self.job_tot['keepcache']['miss']) /
+              float(self.job_tot['keepcalls']['get']))
+             if self.job_tot['keepcalls']['get'] > 0 else 0,
+             lambda x: x * 100.0,
+             '%'),
+
+            ('Keep cache utilization',
+             (float(self.job_tot['blkio:0:0']['read']) /
+              float(self.job_tot['net:keep0']['rx']))
+             if self.job_tot['net:keep0']['rx'] > 0 else 0,
+             lambda x: x * 100.0,
+             '%'),
+
+            ('Temp disk utilization',
+             (float(self.job_tot['statfs']['used']) /
+              float(self.job_tot['statfs']['total']))
+             if self.job_tot['statfs']['total'] > 0 else 0,
+             lambda x: x * 100.0,
+             '%'),
+        ]
+
+        if len(self.tasks) > 1:
+            metrics.insert(0, ('Number of tasks',
                  len(self.tasks),
-                 None),
-                ('Max CPU time spent by a single task: {}s',
-                 self.stats_max['cpu']['user+sys'],
-                 None),
-                ('Max CPU usage in a single interval: {}%',
-                 self.stats_max['cpu']['user+sys__rate'],
-                 lambda x: x * 100),
-                ('Overall CPU usage: {}%',
-                 float(self.job_tot['cpu']['user+sys']) /
-                 self.job_tot['time']['elapsed']
-                 if self.job_tot['time']['elapsed'] > 0 else 0,
-                 lambda x: x * 100),
-                ('Max memory used by a single task: {}GB',
-                 self.stats_max['mem']['rss'],
-                 lambda x: x / 1e9),
-                ('Max network traffic in a single task: {}GB',
-                 self.stats_max['net:eth0']['tx+rx'] +
-                 self.stats_max['net:keep0']['tx+rx'],
-                 lambda x: x / 1e9),
-                ('Max network speed in a single interval: {}MB/s',
-                 self.stats_max['net:eth0']['tx+rx__rate'] +
-                 self.stats_max['net:keep0']['tx+rx__rate'],
-                 lambda x: x / 1e6),
-                ('Keep cache miss rate {}%',
-                 (float(self.job_tot['keepcache']['miss']) /
-                 float(self.job_tot['keepcalls']['get']))
-                 if self.job_tot['keepcalls']['get'] > 0 else 0,
-                 lambda x: x * 100.0),
-                ('Keep cache utilization {}%',
-                 (float(self.job_tot['blkio:0:0']['read']) /
-                 float(self.job_tot['net:keep0']['rx']))
-                 if self.job_tot['net:keep0']['rx'] > 0 else 0,
-                 lambda x: x * 100.0),
-               ('Temp disk utilization {}%',
-                 (float(self.job_tot['statfs']['used']) /
-                 float(self.job_tot['statfs']['total']))
-                 if self.job_tot['statfs']['total'] > 0 else 0,
-                 lambda x: x * 100.0),
-                ):
-            format_string, val, transform = args
+                 None,
+                 ''))
+        for args in metrics:
+            if args is None:
+                continue
+            format_string, val, transform, suffix = args
             if val == float('-Inf'):
                 continue
             if transform:
                 val = transform(val)
-            yield "# "+format_string.format(self._format(val))
+            yield aggformat((format_string, self._format(val), suffix))
 
-    def _recommend_gen(self):
+    def _recommend_gen(self, recommendformat):
         # TODO recommend fixing job granularity if elapsed time is too short
+
+        if self.stats_max['time'].get('elapsed', 0) <= 20:
+            # Not enough data
+            return []
+
         return itertools.chain(
-            self._recommend_cpu(),
-            self._recommend_ram(),
-            self._recommend_keep_cache(),
-            self._recommend_temp_disk(),
+            self._recommend_cpu(recommendformat),
+            self._recommend_ram(recommendformat),
+            self._recommend_keep_cache(recommendformat),
+            self._recommend_temp_disk(recommendformat),
             )
 
-    def _recommend_cpu(self):
+    def _recommend_cpu(self, recommendformat):
         """Recommend asking for 4 cores if max CPU usage was 333%"""
 
         constraint_key = self._map_runtime_constraint('vcpus')
@@ -373,19 +421,17 @@ class Summarizer(object):
         asked_cores = self.existing_constraints.get(constraint_key)
         if asked_cores is None:
             asked_cores = 1
-        # TODO: This should be more nuanced in cases where max >> avg
-        if used_cores < asked_cores:
-            yield (
-                '#!! {} max CPU usage was {}% -- '
-                'try reducing runtime_constraints to "{}":{}'
+
+        if used_cores < (asked_cores*.5):
+            yield recommendformat(
+                '{} peak CPU usage was only {}% out of possible {}% ({} cores requested)'
             ).format(
                 self.label,
                 math.ceil(cpu_max_rate*100),
-                constraint_key,
-                int(used_cores))
+                asked_cores*100, asked_cores)
 
     # FIXME: This needs to be updated to account for current a-d-c algorithms
-    def _recommend_ram(self):
+    def _recommend_ram(self, recommendformat):
         """Recommend an economical RAM constraint for this job.
 
         Nodes that are advertised as "8 gibibytes" actually have what
@@ -424,55 +470,63 @@ class Summarizer(object):
         if used_bytes == float('-Inf'):
             logger.warning('%s: no memory usage data', self.label)
             return
+        if not self.existing_constraints.get(constraint_key):
+            return
         used_mib = math.ceil(float(used_bytes) / MB)
-        asked_mib = self.existing_constraints.get(constraint_key)
+        asked_mib = self.existing_constraints.get(constraint_key) / MB
 
         nearlygibs = lambda mebibytes: mebibytes/AVAILABLE_RAM_RATIO/1024
-        if used_mib > 0 and (asked_mib is None or (
-                math.ceil(nearlygibs(used_mib)) < nearlygibs(asked_mib))):
-            yield (
-                '#!! {} max RSS was {} MiB -- '
-                'try reducing runtime_constraints to "{}":{}'
+        ratio = 0.5
+        recommend_mib = int(math.ceil(nearlygibs(used_mib/ratio))*AVAILABLE_RAM_RATIO*1024)
+        if used_mib > 0 and (used_mib / asked_mib) < ratio and asked_mib > recommend_mib:
+            yield recommendformat(
+                '{} peak RAM usage was only {}% ({} MiB used / {} MiB requested)'
             ).format(
                 self.label,
+                int(math.ceil(100*(used_mib / asked_mib))),
                 int(used_mib),
-                constraint_key,
-                int(math.ceil(nearlygibs(used_mib))*AVAILABLE_RAM_RATIO*1024*(MB)/self._runtime_constraint_mem_unit()))
+                int(asked_mib))
+
+    def _recommend_keep_cache(self, recommendformat):
+        """Recommend increasing keep cache if utilization < 50%.
+
+        This means the amount of data returned to the program is less
+        than 50% of the amount of data actually downloaded by
+        arv-mount.
+        """
 
-    def _recommend_keep_cache(self):
-        """Recommend increasing keep cache if utilization < 80%"""
-        constraint_key = self._map_runtime_constraint('keep_cache_ram')
         if self.job_tot['net:keep0']['rx'] == 0:
             return
+
+        miss_rate = (float(self.job_tot['keepcache']['miss']) /
+                     float(self.job_tot['keepcalls']['get']))
+
         utilization = (float(self.job_tot['blkio:0:0']['read']) /
                        float(self.job_tot['net:keep0']['rx']))
         # FIXME: the default on this get won't work correctly
-        asked_cache = self.existing_constraints.get(constraint_key, 256) * self._runtime_constraint_mem_unit()
+        asked_cache = self.existing_constraints.get('keep_cache_ram') or self.existing_constraints.get('keep_cache_disk')
 
-        if utilization < 0.8:
-            yield (
-                '#!! {} Keep cache utilization was {:.2f}% -- '
-                'try doubling runtime_constraints to "{}":{} (or more)'
+        if utilization < 0.5 and miss_rate > .05:
+            yield recommendformat(
+                '{} Keep cache utilization was only {:.2f}% and miss rate was {:.2f}% -- '
+                'recommend increasing keep_cache'
             ).format(
                 self.label,
                 utilization * 100.0,
-                constraint_key,
-                math.ceil(asked_cache * 2 / self._runtime_constraint_mem_unit()))
+                miss_rate * 100.0)
 
 
-    def _recommend_temp_disk(self):
-        """Recommend decreasing temp disk if utilization < 50%"""
-        total = float(self.job_tot['statfs']['total'])
-        utilization = (float(self.job_tot['statfs']['used']) / total) if total > 0 else 0.0
+    def _recommend_temp_disk(self, recommendformat):
+        """This recommendation is disabled for the time being.  It was
+        using the total disk on the node and not the amount of disk
+        requested, so it would trigger a false positive basically
+        every time.  To get the amount of disk requested we need to
+        fish it out of the mounts, which is extra work I don't want do
+        right now.  You can find the old code at commit 616d135e77
 
-        if utilization < 50.8 and total > 0:
-            yield (
-                '#!! {} max temp disk utilization was {:.0f}% of {:.0f} MiB -- '
-                'consider reducing "tmpdirMin" and/or "outdirMin"'
-            ).format(
-                self.label,
-                utilization * 100.0,
-                total / MB)
+        """
+
+        return []
 
 
     def _format(self, val):
@@ -487,18 +541,11 @@ class Summarizer(object):
     def _runtime_constraint_mem_unit(self):
         if hasattr(self, 'runtime_constraint_mem_unit'):
             return self.runtime_constraint_mem_unit
-        elif self.detected_crunch1:
-            return JobSummarizer.runtime_constraint_mem_unit
         else:
             return ContainerRequestSummarizer.runtime_constraint_mem_unit
 
     def _map_runtime_constraint(self, key):
-        if hasattr(self, 'map_runtime_constraint'):
-            return self.map_runtime_constraint[key]
-        elif self.detected_crunch1:
-            return JobSummarizer.map_runtime_constraint[key]
-        else:
-            return key
+        return key
 
 
 class CollectionSummarizer(Summarizer):
@@ -517,7 +564,7 @@ def NewSummarizer(process_or_uuid, **kwargs):
     else:
         uuid = process_or_uuid
         process = None
-        arv = arvados.api('v1')
+        arv = kwargs.get("arv") or arvados.api('v1')
 
     if '-dz642-' in uuid:
         if process is None:
@@ -530,14 +577,6 @@ def NewSummarizer(process_or_uuid, **kwargs):
         if process is None:
             process = arv.container_requests().get(uuid=uuid).execute()
         klass = ContainerRequestTreeSummarizer
-    elif '-8i9sb-' in uuid:
-        if process is None:
-            process = arv.jobs().get(uuid=uuid).execute()
-        klass = JobTreeSummarizer
-    elif '-d1hrv-' in uuid:
-        if process is None:
-            process = arv.pipeline_instances().get(uuid=uuid).execute()
-        klass = PipelineSummarizer
     elif '-4zz18-' in uuid:
         return CollectionSummarizer(collection_id=uuid)
     else:
@@ -551,6 +590,7 @@ class ProcessSummarizer(Summarizer):
     def __init__(self, process, label=None, **kwargs):
         rdr = None
         self.process = process
+        arv = kwargs.get("arv") or arvados.api('v1')
         if label is None:
             label = self.process.get('name', self.process['uuid'])
         # Pre-Arvados v1.4 everything is in 'log'
@@ -558,7 +598,10 @@ class ProcessSummarizer(Summarizer):
         log_collection = self.process.get('log', self.process.get('log_uuid'))
         if log_collection and self.process.get('state') != 'Uncommitted': # arvados.util.CR_UNCOMMITTED:
             try:
-                rdr = crunchstat_summary.reader.CollectionReader(log_collection)
+                rdr = crunchstat_summary.reader.CollectionReader(
+                    log_collection,
+                    api_client=arv,
+                    collection_object=kwargs.get("collection_object"))
             except arvados.errors.NotFoundError as e:
                 logger.warning("Trying event logs after failing to read "
                                "log collection %s: %s", self.process['log'], e)
@@ -566,17 +609,11 @@ class ProcessSummarizer(Summarizer):
             uuid = self.process.get('container_uuid', self.process.get('uuid'))
             rdr = crunchstat_summary.reader.LiveLogReader(uuid)
             label = label + ' (partial)'
+
         super(ProcessSummarizer, self).__init__(rdr, label=label, **kwargs)
         self.existing_constraints = self.process.get('runtime_constraints', {})
-
-
-class JobSummarizer(ProcessSummarizer):
-    runtime_constraint_mem_unit = MB
-    map_runtime_constraint = {
-        'keep_cache_ram': 'keep_cache_mb_per_task',
-        'ram': 'min_ram_mb_per_node',
-        'vcpus': 'min_cores_per_node',
-    }
+        self.arv_config = arv.config()
+        self.cost = self.process.get('cost', 0)
 
 
 class ContainerRequestSummarizer(ProcessSummarizer):
@@ -585,26 +622,26 @@ class ContainerRequestSummarizer(ProcessSummarizer):
 
 class MultiSummarizer(object):
     def __init__(self, children={}, label=None, threads=1, **kwargs):
-        self.throttle = threading.Semaphore(threads)
         self.children = children
         self.label = label
-
-    def run_and_release(self, target, *args, **kwargs):
-        try:
-            return target(*args, **kwargs)
-        finally:
-            self.throttle.release()
+        self.threadcount = threads
 
     def run(self):
-        threads = []
-        for child in self.children.values():
-            self.throttle.acquire()
-            t = threading.Thread(target=self.run_and_release, args=(child.run, ))
-            t.daemon = True
-            t.start()
-            threads.append(t)
-        for t in threads:
-            t.join()
+        if self.threadcount > 1 and len(self.children) > 1:
+            completed = 0
+            def run_and_progress(child):
+                try:
+                    child.run()
+                except Exception as e:
+                    logger.exception("parse error")
+                completed += 1
+                logger.info("%s/%s summarized %s", completed, len(self.children), child.label)
+            with ThreadPoolExecutor(max_workers=self.threadcount) as tpe:
+                for child in self.children.values():
+                    tpe.submit(run_and_progress, child)
+        else:
+            for child in self.children.values():
+                child.run()
 
     def text_report(self):
         txt = ''
@@ -632,57 +669,26 @@ class MultiSummarizer(object):
         return d
 
     def html_report(self):
-        return WEBCHART_CLASS(self.label, iter(self._descendants().values())).html()
+        tophtml = ""
+        bottomhtml = ""
+        label = self.label
+        if len(self._descendants()) == 1:
+            summarizer = next(iter(self._descendants().values()))
+            tophtml = """{}\n<table class='aggtable'><tbody>{}</tbody></table>\n""".format(
+                "\n".join(summarizer._recommend_gen(lambda x: "<p>{}</p>".format(x))),
+                "\n".join(summarizer._text_report_agg_gen(lambda x: "<tr><th>{}</th><td>{}{}</td></tr>".format(*x))))
 
+            bottomhtml = """<table class='metricstable'><tbody>{}</tbody></table>\n""".format(
+                "\n".join(summarizer._text_report_table_gen(lambda x: "<tr><th>{}</th><th>{}</th><th>{}</th><th>{}</th><th>{}</th></tr>".format(*x),
+                                                            lambda x: "<tr><td>{}</td><td>{}</td><td>{}</td><td>{}</td><td>{}</td></tr>".format(*x))))
+            label = summarizer.long_label()
 
-class JobTreeSummarizer(MultiSummarizer):
-    """Summarizes a job and all children listed in its components field."""
-    def __init__(self, job, label=None, **kwargs):
-        arv = arvados.api('v1')
-        label = label or job.get('name', job['uuid'])
-        children = collections.OrderedDict()
-        children[job['uuid']] = JobSummarizer(job, label=label, **kwargs)
-        if job.get('components', None):
-            preloaded = {}
-            for j in arv.jobs().index(
-                    limit=len(job['components']),
-                    filters=[['uuid','in',list(job['components'].values())]]).execute()['items']:
-                preloaded[j['uuid']] = j
-            for cname in sorted(job['components'].keys()):
-                child_uuid = job['components'][cname]
-                j = (preloaded.get(child_uuid) or
-                     arv.jobs().get(uuid=child_uuid).execute())
-                children[child_uuid] = JobTreeSummarizer(job=j, label=cname, **kwargs)
-
-        super(JobTreeSummarizer, self).__init__(
-            children=children,
-            label=label,
-            **kwargs)
-
-
-class PipelineSummarizer(MultiSummarizer):
-    def __init__(self, instance, **kwargs):
-        children = collections.OrderedDict()
-        for cname, component in instance['components'].items():
-            if 'job' not in component:
-                logger.warning(
-                    "%s: skipping component with no job assigned", cname)
-            else:
-                logger.info(
-                    "%s: job %s", cname, component['job']['uuid'])
-                summarizer = JobTreeSummarizer(component['job'], label=cname, **kwargs)
-                summarizer.label = '{} {}'.format(
-                    cname, component['job']['uuid'])
-                children[cname] = summarizer
-        super(PipelineSummarizer, self).__init__(
-            children=children,
-            label=instance['uuid'],
-            **kwargs)
+        return WEBCHART_CLASS(label, iter(self._descendants().values())).html(tophtml, bottomhtml)
 
 
 class ContainerRequestTreeSummarizer(MultiSummarizer):
     def __init__(self, root, skip_child_jobs=False, **kwargs):
-        arv = arvados.api('v1')
+        arv = kwargs.get("arv") or arvados.api('v1')
 
         label = kwargs.pop('label', None) or root.get('name') or root['uuid']
         root['name'] = label
@@ -698,22 +704,15 @@ class ContainerRequestTreeSummarizer(MultiSummarizer):
             summer.sort_key = sort_key
             children[current['uuid']] = summer
 
-            page_filters = []
-            while True:
-                child_crs = arv.container_requests().index(
-                    order=['uuid asc'],
-                    filters=page_filters+[
-                        ['requesting_container_uuid', '=', current['container_uuid']]],
-                ).execute()
-                if not child_crs['items']:
-                    break
-                elif skip_child_jobs:
-                    logger.warning('%s: omitting stats from %d child containers'
-                                   ' because --skip-child-jobs flag is on',
-                                   label, child_crs['items_available'])
-                    break
-                page_filters = [['uuid', '>', child_crs['items'][-1]['uuid']]]
-                for cr in child_crs['items']:
+            if skip_child_jobs:
+                child_crs = arv.container_requests().list(filters=[['requesting_container_uuid', '=', current['container_uuid']]],
+                                                          limit=0).execute()
+                logger.warning('%s: omitting stats from child containers'
+                               ' because --skip-child-jobs flag is on',
+                               label, child_crs['items_available'])
+            else:
+                for cr in arvados.util.keyset_list_all(arv.container_requests().list,
+                                                       filters=[['requesting_container_uuid', '=', current['container_uuid']]]):
                     if cr['container_uuid']:
                         logger.debug('%s: container req %s', current['uuid'], cr['uuid'])
                         cr['name'] = cr.get('name') or cr['uuid']