Ottomata has uploaded a new change for review.
https://gerrit.wikimedia.org/r/234287
Change subject: Increase num.replica.fetchers to 12 across the Kafka cluster
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Increase num.replica.fetchers to 12 across the Kafka cluster
We were using 12 during the recent partition move, and things
were working fine. With a lower number, some brokers start
lagging during Camus runs.
Change-Id: Ic1ca42f57c6700f1542f5cb8589832c16e8ec7a6
---
M manifests/role/analytics/kafka.pp
1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://gerrit.wikimedia.org:29418/operations/puppet
refs/changes/87/234287/1
diff --git a/manifests/role/analytics/kafka.pp
b/manifests/role/analytics/kafka.pp
index c1fc6d9..663db66 100644
--- a/manifests/role/analytics/kafka.pp
+++ b/manifests/role/analytics/kafka.pp
@@ -162,7 +162,7 @@
# Bump this up to get a little more
# parallelism between replicas.
- num_replica_fetchers => 8,
+ num_replica_fetchers => 12,
# Setting this larger so that it is sure to be bigger
# than batch size from varnishkafka.
# See: https://issues.apache.org/jira/browse/KAFKA-766
--
To view, visit https://gerrit.wikimedia.org/r/234287
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Ic1ca42f57c6700f1542f5cb8589832c16e8ec7a6
Gerrit-PatchSet: 1
Gerrit-Project: operations/puppet
Gerrit-Branch: production
Gerrit-Owner: Ottomata <[email protected]>
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