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From "Hieu Nguyen (JIRA)" <>
Subject [jira] [Updated] (PHOENIX-5295) Local Index data not replicating for older HBase versions (<= HBase 1.2)
Date Sat, 25 May 2019 01:49:00 GMT


Hieu Nguyen updated PHOENIX-5295:
    Attachment: PHOENIX-5295.4.14-cdh5.11.v2.patch

> Local Index data not replicating for older HBase versions (<= HBase 1.2)
> ------------------------------------------------------------------------
>                 Key: PHOENIX-5295
>                 URL:
>             Project: Phoenix
>          Issue Type: Bug
>         Environment: Branch 4.14-cdh5.11
>            Reporter: Hieu Nguyen
>            Priority: Major
>         Attachments: PHOENIX-5295.4.14-cdh5.11.v1.patch, PHOENIX-5295.4.14-cdh5.11.v1.patch,
>          Time Spent: 40m
>  Remaining Estimate: 0h
> Copied from email thread
> ---
> We are on Phoenix 4.14-cdh5.11.  We are experiencing an issue where local index data
is not being replicated through HBase replication.  As suggested in a previous email thread
we have enabled replication for the local indexes (the "L#0" column family on the same table).
 We wrote an integration test to demonstrate this issue on top of 4.14-cdh5.11 branch (
> After some investigation and debugging, we discovered the following:
> 1. Commit a2f4d7eebec621b58204a9eb78d552f18dcbcf24 (PHOENIX-3827) fixed the issue, but
only in Phoenix for HBase1.3+.  It uses the miniBatchOp.addOperationsFromCP() API introduced
in HBase1.3.  Unfortunately, for the time being, we are stuck on cdh5.11 (based on HBase1.2).
> 2. IndexUtil.writeLocalUpdates() is called in both implementations of IndexCommitter,
both taking skipWAL=true.  It seems like we'd actually want to not skip WAL to ensure that
local-index updates are replicated correctly (since, as mentioned in the above email thread,
"HBase-level replication of the data table will not trigger index updates").  After changing
the skipWAL flag to false, the above integration test passes.

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