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https://issues.apache.org/jira/browse/PHOENIX-14?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13889279#comment-13889279
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James Taylor commented on PHOENIX-14:
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Yes, it's already supported.
> UPSERT hint to avoid WAL writes
> -------------------------------
>
> Key: PHOENIX-14
> URL: https://issues.apache.org/jira/browse/PHOENIX-14
> Project: Phoenix
> Issue Type: Improvement
> Reporter: Lars Hofhansl
>
> Since HBASE-7801 (0.94.7) HBase supports durability hints for Put and Delete
> operations.
> We should support these via an UPSERT hint.
> At least /*+ SKIP_WAL */ to skip all WAL writes.
> Later we can add
> /*+ ASYNC_WAL */
> /*+ SYNC_WAL */
> /*+ FSYNC_WAL */
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