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https://issues.apache.org/jira/browse/HBASE-6459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13480027#comment-13480027
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Ted Yu commented on HBASE-6459:
-------------------------------
I ran the failed test locally and it passed.
{code}
Running org.apache.hadoop.hbase.client.TestFromClientSide
2012-10-19 06:55:19.937 java[39861:1903] Unable to load realm mapping info from
SCDynamicStore
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 76.821 sec
{code}
Will integrate later today if there is no more review comment.
> 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, 6459.v4, 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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