Keith Turner created ACCUMULO-628:
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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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