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https://issues.apache.org/jira/browse/HBASE-16488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16165555#comment-16165555
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Hudson commented on HBASE-16488:
--------------------------------
FAILURE: Integrated in Jenkins build HBase-1.5 #57 (See
[https://builds.apache.org/job/HBase-1.5/57/])
Revert "HBASE-16488 Starting namespace and quota services in master (apurtell:
rev 3f785a83b204d1c9f4d92aa4b55803d075575ddf)
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestCreateTableHandler.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionOpen.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteNamespaceProcedure.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterNoCluster.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyNamespaceProcedure.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestRollbackFromClient.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestCreateNamespaceProcedure.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestMasterProcedureEvents.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateNamespaceProcedure.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWALOpenAfterDNRollingStart.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateTableProcedure.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterFailover.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRSKilledWhenInitializing.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/master/procedure/TestModifyNamespaceProcedure.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterMetrics.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/TableNamespaceManager.java
> Starting namespace and quota services in master startup asynchronizely
> ----------------------------------------------------------------------
>
> Key: HBASE-16488
> URL: https://issues.apache.org/jira/browse/HBASE-16488
> Project: HBase
> Issue Type: Improvement
> Components: master
> Affects Versions: 2.0.0, 1.3.0, 1.0.3, 1.4.0, 1.1.5, 1.2.2
> Reporter: Stephen Yuan Jiang
> Assignee: Stephen Yuan Jiang
> Attachments: HBASE-16488.v10-branch-1.patch,
> HBASE-16488.v1-branch-1.patch, HBASE-16488.v1-master.patch,
> HBASE-16488.v2-branch-1.patch, HBASE-16488.v2-branch-1.patch,
> HBASE-16488.v3-branch-1.patch, HBASE-16488.v3-branch-1.patch,
> HBASE-16488.v4-branch-1.patch, HBASE-16488.v5-branch-1.patch,
> HBASE-16488.v6-branch-1.patch, HBASE-16488.v7-branch-1.patch,
> HBASE-16488.v8-branch-1.patch, HBASE-16488.v9-branch-1.patch
>
>
> From time to time, during internal IT test and from customer, we often see
> master initialization failed due to namespace table region takes long time to
> assign (eg. sometimes split log takes long time or hanging; or sometimes RS
> is temporarily not available; sometimes due to some unknown assignment
> issue). In the past, there was some proposal to improve this situation, eg.
> HBASE-13556 / HBASE-14190 (Assign system tables ahead of user region
> assignment) or HBASE-13557 (Special WAL handling for system tables) or
> HBASE-14623 (Implement dedicated WAL for system tables).
> This JIRA proposes another way to solve this master initialization fail
> issue: namespace service is only used by a handful operations (eg. create
> table / namespace DDL / get namespace API / some RS group DDL). Only quota
> manager depends on it and quota management is off by default. Therefore,
> namespace service is not really needed for master to be functional. So we
> could start namespace service asynchronizely without blocking master startup.
>
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