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https://issues.apache.org/jira/browse/HBASE-6459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13468223#comment-13468223
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Hadoop QA commented on HBASE-6459:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12547467/6459v3.txt
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:green}+1 hadoop2.0{color}. The patch compiles against the hadoop
2.0 profile.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated
83 warning messages.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:red}-1 findbugs{color}. The patch appears to introduce 5 new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.io.hfile.TestForceCacheImportantBlocks
org.apache.hadoop.hbase.catalog.TestMetaReaderEditor
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/2990//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2990//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2990//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2990//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2990//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2990//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/2990//console
This message is automatically generated.
> improve speed of create table
> -----------------------------
>
> Key: HBASE-6459
> URL: https://issues.apache.org/jira/browse/HBASE-6459
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.94.0
> Reporter: zhou wenjian
> Assignee: Zhou wenjian
> Fix For: 0.96.0
>
> Attachments: 6459v3.txt, HBASE-6459-90.patch, HBASE-6459-92.patch,
> HBASE-6459-94.patch, HBASE-6459-trunk.patch, HBASE-6459-trunk-v2.patch
>
>
> in CreateTableHandler
> for (int regionIdx = 0; regionIdx < this.newRegions.length; regionIdx++) {
> HRegionInfo newRegion = this.newRegions[regionIdx];
> // 1. Create HRegion
> HRegion region = HRegion.createHRegion(newRegion,
> this.fileSystemManager.getRootDir(), this.conf,
> this.hTableDescriptor, null, false, true);
> regionInfos.add(region.getRegionInfo());
> if (regionIdx % batchSize == 0) {
> // 2. Insert into META
> MetaEditor.addRegionsToMeta(this.catalogTracker, regionInfos);
> regionInfos.clear();
> }
> // 3. Close the new region to flush to disk. Close log file too.
> region.close();
> }
> All the region will be create serially.
> If we have thousands of regions, that will be a huge cost.
> We can improve it by create the region in parallel
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