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https://issues.apache.org/jira/browse/HBASE-9754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797477#comment-13797477
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Ted Yu commented on HBASE-9754:
-------------------------------
Second run:
{code}
2013-10-16 17:33:16,342 DEBUG [Thread-55] catalog.CatalogTracker: Stopping
catalog tracker org.apache.hadoop.hbase.catalog.CatalogTracker@5e4b2b75
2013-10-16 17:33:16,355 INFO [Thread-55] zookeeper.ZooKeeper: Session:
0x141c373bb9c0037 closed
2013-10-16 17:33:16,355 INFO [Thread-55-EventThread] zookeeper.ClientCnxn:
EventThread shut down
2013-10-16 17:34:16,355 INFO [main] hbase.TestAcidGuarantees: Finished test.
Writers:
2013-10-16 17:34:16,355 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,355 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,355 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,355 INFO [main] hbase.TestAcidGuarantees: wrote 36
2013-10-16 17:34:16,355 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,355 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 40
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 40
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 40
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 35
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 36
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 40
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 36
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 37
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 40
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 41
2013-10-16 17:34:16,356 INFO [main] hbase.TestAcidGuarantees: wrote 39
2013-10-16 17:34:16,357 INFO [main] hbase.TestAcidGuarantees: wrote 38
2013-10-16 17:34:16,357 INFO [main] hbase.TestAcidGuarantees: Readers:
2013-10-16 17:34:16,357 INFO [main] hbase.TestAcidGuarantees: read 61
2013-10-16 17:34:16,357 INFO [main] hbase.TestAcidGuarantees: read 58
2013-10-16 17:34:16,357 INFO [main] hbase.TestAcidGuarantees: Scanners:
2013-10-16 17:34:16,357 INFO [main] hbase.TestAcidGuarantees: scanned 20
2013-10-16 17:34:16,357 INFO [main] hbase.TestAcidGuarantees: verified 60
rows
2013-10-16 17:34:16,357 INFO [main] hbase.TestAcidGuarantees: scanned 19
2013-10-16 17:34:16,357 INFO [main] hbase.TestAcidGuarantees: verified 57
rows
{code}
> 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 [~yuzhih...@gmail.com].
> 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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