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https://issues.apache.org/jira/browse/HBASE-10935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14015306#comment-14015306
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Hudson commented on HBASE-10935:
--------------------------------
FAILURE: Integrated in HBase-0.94 #1373 (See
[https://builds.apache.org/job/HBase-0.94/1373/])
HBASE-10935 support snapshot policy where flush memstore can be skipped to
prevent production cluster freeze (Tianying Chang) (matteo.bertozzi: rev
c8c9249bad4ccf46817434ff2595089f2bd0c7b1)
*
src/test/java/org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.java
* src/main/ruby/hbase/admin.rb
*
src/main/java/org/apache/hadoop/hbase/regionserver/snapshot/RegionServerSnapshotManager.java
* src/main/ruby/shell/commands/snapshot.rb
* src/main/java/org/apache/hadoop/hbase/protobuf/generated/HBaseProtos.java
*
src/main/java/org/apache/hadoop/hbase/regionserver/snapshot/FlushSnapshotSubprocedure.java
* src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
* src/main/protobuf/hbase.proto
* src/main/ruby/hbase.rb
> support snapshot policy where flush memstore can be skipped to prevent
> production cluster freeze
> ------------------------------------------------------------------------------------------------
>
> Key: HBASE-10935
> URL: https://issues.apache.org/jira/browse/HBASE-10935
> Project: HBase
> Issue Type: New Feature
> Components: shell, snapshots
> Affects Versions: 0.94.7, 0.94.18
> Reporter: Tianying Chang
> Assignee: Tianying Chang
> Priority: Minor
> Fix For: 0.99.0, 0.94.20, 0.98.4
>
> Attachments: HBASE-10935-0.94-v1.patch, HBASE-10935-0.98-v1.patch,
> HBASE-10935-trunk-v1.patch, hbase-10935-94.patch, hbase-10935-trunk.patch
>
>
> We are using snapshot feature to do HBase disaster recovery. We will do
> snapshot in our production cluster periodically. The current flush snapshot
> policy require all regions of the table to coordinate to prevent write and do
> flush at the same time. Since we use WALPlayer to complete the data that is
> not in the snapshot HFile, we don't need the snapshot to do coordinated
> flush. The snapshot just recored all the HFile that are already there.
> I added the parameter in the HBase shell. So people can choose to use the
> NoFlush snapshot when they need, like below. Otherwise, the default flush
> snpahot support is not impacted.
> >snaphot 'TestTable', 'TestSnapshot', 'skipFlush'
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