X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/0662b235357dd40b5d27efd06b60044ddcec06f6..2e5f6787e7b37a47247035803fba41354cbdabdd:/services/api/config/application.default.yml

diff --git a/services/api/config/application.default.yml b/services/api/config/application.default.yml
index 8777f28a86..f1c4dd0286 100644
--- a/services/api/config/application.default.yml
+++ b/services/api/config/application.default.yml
@@ -27,6 +27,11 @@ common:
   # generate permission signatures for Keep locators. It must be
   # identical to the permission key given to Keep. IMPORTANT: This is
   # a site secret. It should be at least 50 characters.
+  #
+  # Modifying blob_signing_key will invalidate all existing
+  # signatures, which can cause programs to fail (e.g., arv-put,
+  # arv-get, and Crunch jobs).  To avoid errors, rotate keys only when
+  # no such processes are running.
   blob_signing_key: ~
 
   # These settings are provided by your OAuth2 provider (e.g.,
@@ -155,12 +160,12 @@ common:
   # still has permission) the client can retrieve the collection again
   # to get fresh signatures.
   #
-  # Datamanager considers an unreferenced block older than this to be
-  # eligible for garbage collection. Therefore, it should never be
-  # smaller than the corresponding value used by any local keepstore
-  # service (see keepstore -blob-signature-ttl flag). This rule
-  # prevents datamanager from trying to garbage-collect recently
-  # written blocks while clients are still holding valid signatures.
+  # This must be exactly equal to the -blob-signature-ttl flag used by
+  # keepstore servers.  Otherwise, reading data blocks and saving
+  # collections will fail with HTTP 403 permission errors.
+  #
+  # Modifying blob_signature_ttl invalidates existing signatures; see
+  # blob_signing_key note above.
   #
   # The default is 2 weeks.
   blob_signature_ttl: 1209600
@@ -188,6 +193,12 @@ common:
   # for other data types.
   max_index_database_read: 134217728
 
+  # Maximum number of items to return when responding to a APIs that
+  # can return partial result sets using limit and offset parameters
+  # (e.g., *.index, groups.contents). If a request specifies a "limit"
+  # parameter higher than this value, this value is used instead.
+  max_items_per_response: 1000
+
   # When you run the db:delete_old_job_logs task, it will find jobs that
   # have been finished for at least this many seconds, and delete their
   # stderr logs from the logs table.
@@ -332,6 +343,13 @@ common:
   # "git log".
   source_version: false
 
+  crunch_log_partial_line_throttle_period: 5
+
+  # Enable asynchronous permission graph rebuild.  Must run
+  # script/permission-updater.rb as a separate process.  When the permission
+  # cache is invalidated, the background process will update the permission
+  # graph cache.  This feature is experimental!
+  async_permissions_update: false
 
 development:
   force_ssl: false