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https://issues.apache.org/jira/browse/HBASE-17282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15758118#comment-15758118
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Hudson commented on HBASE-17282:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-Trunk_matrix #2151 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/2151/])
HBASE-17282 Reduce the redundant requests to meta table (zhangduo: rev
f041306cdae701e91b314234b413af98fd1f6b18)
* (edit)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncRegionLocatorTimeout.java
* (add)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncMetaRegionLocator.java
* (add)
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocator.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncTable.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncGetMultiThread.java
* (delete)
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncRegionLocator.java
* (add)
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocatorConcurrenyLimit.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncTableNoncedRetry.java
* (add)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncNonMetaRegionLocator.java
* (edit)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncRegionLocator.java
> Reduce the redundant requests to meta table
> -------------------------------------------
>
> Key: HBASE-17282
> URL: https://issues.apache.org/jira/browse/HBASE-17282
> Project: HBase
> Issue Type: Sub-task
> Components: Client
> Affects Versions: 2.0.0
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Fix For: 2.0.0
>
> Attachments: HBASE-17282-v1.patch, HBASE-17282-v2.patch,
> HBASE-17282.patch
>
>
> This usually happens at startup when the meta cache is empty. There will be a
> lot of locating requests, but most of will have same results. Things become
> worse if we do batch operations with AsyncTable as we will send a locating
> request for each operation concurrently.
> We need to reduce the redundant requests to meta table.
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