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https://issues.apache.org/jira/browse/ASTERIXDB-3221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17749440#comment-17749440
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ASF subversion and git services commented on ASTERIXDB-3221:
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Commit 5f076a8347df9a45634914c76b4117b38b5731a6 in asterixdb's branch
refs/heads/master from Murtadha Makki Al Hubail
[ https://gitbox.apache.org/repos/asf?p=asterixdb.git;h=5f076a8347 ]
[ASTERIXDB-3221][REPL] Use IO scheduler for replication ops
- user model changes: no
- storage format changes: no
- interface changes: no
Details:
- To allow concurrent replication operations, use the IO scheduler
to schedule the operations using the exact same scheduling logic
as the flush operations.
- Maximum concurrent replication operations = maximum concurrent flush
operations.
- Allow connections to replicas to be recycled and reused by the
replication operations and close them when no more pending operations.
- Do not halt on replicate operations failures since failures are
expected and replicas can be re-synced.
Change-Id: I82aeb60381f90a254ca99274f7e9a38f64bc7a46
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/17635
Reviewed-by: Ali Alsuliman <ali.al.solai...@gmail.com>
Integration-Tests: Jenkins <jenk...@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenk...@fulliautomatix.ics.uci.edu>
> Slow pending replication operations processing
> ----------------------------------------------
>
> Key: ASTERIXDB-3221
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-3221
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: REPL - Replication
> Affects Versions: 0.9.8
> Reporter: Murtadha Makki Al Hubail
> Assignee: Murtadha Makki Al Hubail
> Priority: Major
> Labels: triaged
> Fix For: 0.9.9
>
>
> Currently, we allow up to (2 * number of partitions) concurrent flush
> operations. However, we have a single replication worker processing the newly
> generated LSM components. This results in slow pending replication operations
> processing. We should allow concurrent replication operations processing.
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