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Posted to dev@accumulo.apache.org by "Keith Turner (JIRA)" <ji...@apache.org> on 2012/06/08 00:34:22 UTC
[jira] [Created] (ACCUMULO-628) tablet last location deleted and
set
Keith Turner created ACCUMULO-628:
-------------------------------------
Summary: tablet last location deleted and set
Key: ACCUMULO-628
URL: https://issues.apache.org/jira/browse/ACCUMULO-628
Project: Accumulo
Issue Type: Bug
Components: tserver
Affects Versions: 1.4.0, 1.3.5
Reporter: Keith Turner
Assignee: Keith Turner
While doing some experiments related to ACCUMULO-549 I was looking at mutations. I noticed the following mutation and thought it was odd that it was deleting and setting the last location. The delete will win because it sorts first. Looking at the code this happens on the first compaction after tablet load when the last and current location are the same. Need a check to make the delete conditional and only do it when last and current differ.
{noformat}
1 mutations:
2<
file:/default_tablet/F0000000.rf [system]:45 [] <deleted>
file:/t-0000002/F0000005.rf [system]:45 [] <deleted>
file:/t-0000003/F0000006.rf [system]:45 [] <deleted>
file:/default_tablet/A0000007.rf [system]:45 [] 227,3
srv:compact [system]:45 [] 0
last:137c84429e10002 [system]:45 [] <deleted>
last:137c84429e10002 [system]:45 [] 127.0.0.1:40200
srv:lock [system]:45 [] tservers/127.0.0.1:40200/zlock-0000000000$137c84429e10002
{noformat}
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[jira] [Resolved] (ACCUMULO-628) tablet last location deleted and
set
Posted by "Keith Turner (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ACCUMULO-628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Turner resolved ACCUMULO-628.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.5.0
> tablet last location deleted and set
> ------------------------------------
>
> Key: ACCUMULO-628
> URL: https://issues.apache.org/jira/browse/ACCUMULO-628
> Project: Accumulo
> Issue Type: Bug
> Components: tserver
> Affects Versions: 1.4.0, 1.3.5
> Reporter: Keith Turner
> Assignee: Keith Turner
> Fix For: 1.5.0
>
>
> While doing some experiments related to ACCUMULO-549 I was looking at mutations. I noticed the following mutation and thought it was odd that it was deleting and setting the last location. The delete will win because it sorts first. Looking at the code this happens on the first compaction after tablet load when the last and current location are the same. Need a check to make the delete conditional and only do it when last and current differ.
> {noformat}
> 1 mutations:
> 2<
> file:/default_tablet/F0000000.rf [system]:45 [] <deleted>
> file:/t-0000002/F0000005.rf [system]:45 [] <deleted>
> file:/t-0000003/F0000006.rf [system]:45 [] <deleted>
> file:/default_tablet/A0000007.rf [system]:45 [] 227,3
> srv:compact [system]:45 [] 0
> last:137c84429e10002 [system]:45 [] <deleted>
> last:137c84429e10002 [system]:45 [] 127.0.0.1:40200
> srv:lock [system]:45 [] tservers/127.0.0.1:40200/zlock-0000000000$137c84429e10002
> {noformat}
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