config: lower job-status-consumer prefetch count

addresses reanahub#436
VMois · Mar 31, 2022 · be74f85 · be74f85
1 parent 18ddca4
commit be74f85
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diff --git a/CHANGES.rst b/CHANGES.rst
@@ -6,6 +6,7 @@ Version 0.9.0 (UNRELEASED)
 
 - Adds support for Kubernetes networking/v1 API to interactive sessions.
 - Changes workflow list endpoint to add the possibility to filter by workflow id.
+- Changes default consumer prefetch count to handle 10 messages instead of 200 in order to reduce the probability of 406 PRECONDITION errors on message acknowledgement.
 
 Version 0.8.1 (2022-02-07)
 ---------------------------

diff --git a/reana_workflow_controller/config.py b/reana_workflow_controller/config.py
@@ -52,7 +52,7 @@
 """List of file mime-type prefixes that can be previewed directly from the server."""
 
 REANA_JOB_STATUS_CONSUMER_PREFETCH_COUNT = int(
-    os.getenv("REANA_JOB_STATUS_CONSUMER_PREFETCH_COUNT", 200)
+    os.getenv("REANA_JOB_STATUS_CONSUMER_PREFETCH_COUNT", 10)
 )
 """The value defines the max number of unacknowledged deliveries that are
 permitted on a ``jobs-status`` consumer."""