X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/97403e08475b328115373a2c6a23e82116199aad..5e0dd2c6b8f080c81ff6077e629f5ec9f377802f:/services/api/config/application.default.yml

diff --git a/services/api/config/application.default.yml b/services/api/config/application.default.yml
index e7dbf29c59..d46c3978a6 100644
--- a/services/api/config/application.default.yml
+++ b/services/api/config/application.default.yml
@@ -220,9 +220,23 @@ common:
   # a site secret. It should be at least 50 characters.
   blob_signing_key: ~
 
-  # Amount of time (in seconds) for which a blob permission signature
-  # remains valid.  Default: 2 weeks (1209600 seconds)
-  blob_signing_ttl: 1209600
+  # Lifetime (in seconds) of blob permission signatures generated by
+  # the API server. This determines how long a client can take (after
+  # retrieving a collection record) to retrieve the collection data
+  # from Keep. If the client needs more time than that (assuming the
+  # collection still has the same content and the relevant user/token
+  # 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.
+  #
+  # The default is 2 weeks.
+  blob_signature_ttl: 1209600
 
   # Allow clients to create collections by providing a manifest with
   # unsigned data blob locators. IMPORTANT: This effectively disables
@@ -276,7 +290,27 @@ common:
   # actually enforce the desired maximum request size on the server side.
   max_request_size: 134217728
 
+  # Stop collecting records for an index request after we read this much
+  # data (in bytes) from large database columns.
+  # Currently only `GET /collections` respects this parameter, when the
+  # user requests an index that includes manifest_text.  Once the API
+  # server collects records with a total manifest_text size at or above
+  # this amount, it returns those results immediately.
+  # Note this is a threshold, not a limit.  Record collection stops
+  # *after* reading this much data.
+  max_index_database_read: 134217728
+
   # 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.
   clean_job_log_rows_after: <%= 30.days %>
+
+  # The maximum number of compute nodes that can be in use simultaneously
+  # If this limit is reduced, any existing nodes with slot number >= new limit
+  # will not be counted against the new limit. In other words, the new limit
+  # won't be strictly enforced until those nodes with higher slot numbers
+  # go down.
+  max_compute_nodes: 64
+
+  # Docker image to be used when none found in runtime_constraints of a job
+  default_docker_image_for_jobs: false