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https://issues.apache.org/jira/browse/HDFS-17041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17730220#comment-17730220
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ASF GitHub Bot commented on HDFS-17041:
---------------------------------------
virajjasani opened a new pull request, #5723:
URL: https://github.com/apache/hadoop/pull/5723
Jira: HDFS-17041
Only zookeeper based state store allows all records to be inserted even
though only few of them already exists and "errorIfExists" is true, however
file/fs as well as mysql based putAll fails the whole putAll operation
immediately after encountering single record that already exists in the records
and "errorIfExists" is provided true (which is the case while inserting records
for the first time).
For all implementations, we should allow inserts of the records that do not
already exist and report any record as failure that already exists, rather than
failing the whole operation and not trying to insert valid records.
> RBF: Fix putAll impl for mysql and file based state stores
> ----------------------------------------------------------
>
> Key: HDFS-17041
> URL: https://issues.apache.org/jira/browse/HDFS-17041
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
>
> Only zookeeper based state store allows all records to be inserted even
> though only few of them already exists and "errorIfExists" is true, however
> file/fs as well as mysql based putAll fails the whole putAll operation
> immediately after encountering single record that already exists in the
> records and "errorIfExists" is provided true (which is the case while
> inserting records for the first time).
> For all implementations, we should allow inserts of the records that do not
> already exist and report any record as failure that already exists, rather
> than failing the whole operation and not trying to insert valid records.
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