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https://issues.apache.org/jira/browse/HBASE-9754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797475#comment-13797475
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Ted Yu commented on HBASE-9754:
-------------------------------
Here is the tail of one run:
{code}
2013-10-16 17:30:29,951 DEBUG [Thread-55] catalog.CatalogTracker: Stopping
catalog tracker org.apache.hadoop.hbase.catalog.CatalogTracker@6e8ef177
2013-10-16 17:30:29,970 INFO [Thread-55] zookeeper.ZooKeeper: Session:
0x141c373bb9c0035 closed
2013-10-16 17:30:29,970 INFO [Thread-55-EventThread] zookeeper.ClientCnxn:
EventThread shut down
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: Finished test.
Writers:
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 19
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 19
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 19
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 19
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 22
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 19
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 22
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 19
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 18
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 17
2013-10-16 17:31:29,971 INFO [main] hbase.TestAcidGuarantees: wrote 19
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 22
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 22
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 19
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 22
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 22
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 20
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 21
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: wrote 19
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: Readers:
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: read 18
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: read 16
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: Scanners:
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: scanned 15
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: verified 18
rows
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: scanned 21
2013-10-16 17:31:29,972 INFO [main] hbase.TestAcidGuarantees: verified 18
rows
{code}
Will run a few more times.
> Consider eliminating threadlocals from MVCC code
> ------------------------------------------------
>
> Key: HBASE-9754
> URL: https://issues.apache.org/jira/browse/HBASE-9754
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Ted Yu
> Fix For: 0.98.0
>
> Attachments: 9754-rp-0.txt, 9754-rp-1.txt, 9754-rp-hregion.txt
>
>
> Brought up by [~vrodionov] and [[email protected]].
> Currently we use ThreadLocals to communicate the current readpoint between a
> RegionScanner and the Store\{File}Scanner's down the stack.
> Since ThreadLocals are not cheap we should consider whether it is possible to
> pass the readpoint through the call stack instead.
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