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https://issues.apache.org/jira/browse/HDDS-10863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17851838#comment-17851838
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Siyao Meng edited comment on HDDS-10863 at 6/3/24 10:50 PM:
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-Was {{raft.grpc.server.leader.outstanding.appends.max}} lowered to reduce
latency?-
nvm I saw the jira description in RATIS-1804.
was (Author: smeng):
Was {{raft.grpc.server.leader.outstanding.appends.max}} lowered to reduce
latency? [~szetszwo]
> Changed default value of raft.grpc.server.leader.outstanding.appends.max may
> have performance implication in Ozone
> ------------------------------------------------------------------------------------------------------------------
>
> Key: HDDS-10863
> URL: https://issues.apache.org/jira/browse/HDDS-10863
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Duong
> Assignee: Duong
> Priority: Major
>
> RATIS-1804 changes the default number of
> raft.grpc.server.leader.outstanding.appends.max from 128 to 8. This seems to
> imply an impact on Ozone performance because:
> # More smaller appendEntries requests are sent over the network.
> # The flush batch also becomes smaller because of fewer available log
> entries at the same time.
> I tested with it and saw it lower write throughput significantly (~20%).
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