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https://issues.apache.org/jira/browse/HBASE-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13665476#comment-13665476
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Jean-Daniel Cryans commented on HBASE-2231:
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The new INFO logging seems kinda chatty (and it shows up on multiple lines):
{noformat}
2013-05-23 11:38:12,955 INFO
[RegionServer:0;172.21.3.117,57009,1369334164639-smallCompactions-1369334211720]
org.apache.hadoop.hbase.regionserver.wal.HLogUtil: Appended compaction marker
tableName: "TestTable"
encodedRegionName: "338447e35d9c2b5b0a38e982c08cbf09"
familyName: "info"
compactionInput: "515e42ec2ef746fa86a5ca7acbc58aed"
compactionInput: "8abc6ae8c4754484b2628a4f4909342c"
compactionInput: "303b7f1767b24408a55813142a5618c8"
compactionInput: "0f93806c7ecf43a487f0c5dcc2de911f"
compactionOutput: "1bff72a0b8664a0b8072049a1899e908"
storeHomeDir: "info"
{noformat}
I'm not sure what the value is.
> Compaction events should be written to HLog
> -------------------------------------------
>
> Key: HBASE-2231
> URL: https://issues.apache.org/jira/browse/HBASE-2231
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Todd Lipcon
> Assignee: stack
> Priority: Blocker
> Labels: moved_from_0_20_5
> Fix For: 0.98.0, 0.95.1
>
> Attachments: 2231-testcase-0.94.txt, 2231-testcase_v2.txt,
> 2231-testcase_v3.txt, 2231v2.txt, 2231v3.txt, 2231v4.txt,
> hbase-2231-testcase.txt, hbase-2231.txt, hbase-2231_v5.patch,
> hbase-2231_v6.patch, hbase-2231_v7-0.95.patch, hbase-2231_v7.patch,
> hbase-2231_v7.patch
>
>
> The sequence for a compaction should look like this:
> # Compact region to "new" files
> # Write a "Compacted Region" entry to the HLog
> # Delete "old" files
> This deals with a case where the RS has paused between step 1 and 2 and the
> regions have since been reassigned.
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