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From "Hudson (JIRA)" <>
Subject [jira] [Commented] (PHOENIX-4130) Avoid server retries for mutable indexes
Date Thu, 01 Feb 2018 04:02:00 GMT


Hudson commented on PHOENIX-4130:

FAILURE: Integrated in Jenkins build Phoenix-master #1924 (See [])
PHOENIX-4130 Avoid server retries for mutable indexes (Addendum) (vincentpoon: rev 0ef77b18cc200afe097ab803338af33997e3935d)
* (edit) phoenix-core/src/main/java/org/apache/phoenix/index/
* (edit) phoenix-core/src/main/java/org/apache/phoenix/hbase/index/exception/
* (edit) phoenix-core/src/main/java/org/apache/phoenix/hbase/index/exception/
* (edit) phoenix-core/src/main/java/org/apache/phoenix/hbase/index/exception/
* (edit) phoenix-core/src/it/java/org/apache/phoenix/end2end/index/

> Avoid server retries for mutable indexes
> ----------------------------------------
>                 Key: PHOENIX-4130
>                 URL:
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: Lars Hofhansl
>            Assignee: Vincent Poon
>            Priority: Major
>             Fix For: 4.14.0
>         Attachments: PHOENIX-4130.addendum.master.patch, PHOENIX-4130.v1.master.patch,
PHOENIX-4130.v10.master.patch, PHOENIX-4130.v2.master.patch, PHOENIX-4130.v3.master.patch,
PHOENIX-4130.v4.master.patch, PHOENIX-4130.v5.master.patch, PHOENIX-4130.v6.master.patch,
PHOENIX-4130.v7.master.patch, PHOENIX-4130.v8.master.patch, PHOENIX-4130.v9.master.patch
> Had some discussions with [~jamestaylor], [~samarthjain], and [~vincentpoon], during
which I suggested that we can possibly eliminate retry loops happening at the server that
cause the handler threads to be stuck potentially for quite a while (at least multiple seconds
to ride over common scenarios like splits).
> Instead we can do the retries at the Phoenix client that.
> So:
> # The index updates are not retried on the server. (retries = 0)
> # A failed index update would set the failed index timestamp but leave the index enabled.
> # Now the handler thread is done, it throws an appropriate exception back to the client.
> # The Phoenix client can now retry. When those retries fail the index is disabled (if
the policy dictates that) and throw the exception back to its caller.
> So no more waiting is needed on the server, handler threads are freed immediately.

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