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https://issues.apache.org/jira/browse/HBASE-623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-623:
------------------------
Attachment: migrate.diff
Below is commit message. Patch isn't ready yet... Verification scan needs to
pause before it runs for it to succeed. Need to figure why.
{code}
HBASE-623 Migration for HBASE-82
M src/test/org/apache/hadoop/hbase/TestSerialization.java
(testHMsg): Renamed from testname.
M src/test/org/apache/hadoop/hbase/TestClassMigration.java
Test for self-migration of classes. Has test for HStoreKey.
M src/test/org/apache/hadoop/hbase/regionserver/TestHStoreFile.java
readSplitInfo was moved into HStoreFile
M src/test/org/apache/hadoop/hbase/util/TestMigrate.java
(verify): Verify that we can actually read the migrated
table and that the migrated table has expected content in it.
M src/java/org/apache/hadoop/hbase/HColumnDescriptor.java
Add check for colon on family names. HCDs family names no
longer have the colon. We need this check for case where
we are reading in data written with a previous hbase version.
M src/java/org/apache/hadoop/hbase/HConstants.java
Added defines for hbase.client.retries.number
M src/java/org/apache/hadoop/hbase/regionserver/HStoreFile.java
Moved readSplitInfo from HStore to here. Also changed the
way we serialize back to writing the encoded region name
as a String rather than as an int; the encoded name is written
into the info file that accompanies HSFs. Staying on String
means we do not have to write a migration for old info files
so new code can read them.
M src/java/org/apache/hadoop/hbase/regionserver/HStore.java
Moved readSplitInfo into HStoreFile.
M src/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
Fixed a debug log.
M src/java/org/apache/hadoop/hbase/util/Bytes.java
Use encoded lengths as Text does. Makes it so we don't have to
migrate old data; our byte buffer reads will just work.
M src/java/org/apache/hadoop/hbase/client/HTable.java
Added getScanner overrides.
M src/java/org/apache/hadoop/hbase/client/HConnectionManager.java
Made logging a little more informative. Removed sleeps even when
no retries left. Made the master not running exception a little more
informative.
{code}
> migration script for hbase-82
> -----------------------------
>
> Key: HBASE-623
> URL: https://issues.apache.org/jira/browse/HBASE-623
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Priority: Blocker
> Fix For: 0.2.0
>
> Attachments: migrate.diff
>
>
> When hbase-82 goes in, will need a migration script for pre-hbase-82
> installs. I don't think its going to be as bad as originally thought -- i.e.
> rewriting all data -- but this JIRA is about making sure old data comes
> across w/o issue.
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