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https://issues.apache.org/jira/browse/HBASE-14497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14945767#comment-14945767
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Ted Yu commented on HBASE-14497:
--------------------------------
Test suite passed:
{code}
Fetching https://builds.apache.org/job/PreCommit-HBASE-Build/15885/consoleFull
Building remotely on <a href='/computer/H0' class='model-link'>H0</a> (Hadoop
Tez) in workspace /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build
Testing patch for HBASE-14497.
Testing patch on branch branch-1.
[INFO] Apache HBase ...................................... SUCCESS [2.722s]
[INFO] Apache HBase - Checkstyle ......................... SUCCESS [0.509s]
[INFO] Apache HBase - Resource Bundle .................... SUCCESS [0.162s]
[INFO] Apache HBase - Annotations ........................ SUCCESS [0.911s]
[INFO] Apache HBase - Protocol ........................... SUCCESS [11.037s]
[INFO] Apache HBase - Common ............................. SUCCESS [1:28.402s]
[INFO] Apache HBase - Procedure .......................... SUCCESS [1:52.825s]
[INFO] Apache HBase - Client ............................. SUCCESS [1:20.748s]
[INFO] Apache HBase - Hadoop Compatibility ............... SUCCESS [7.393s]
[INFO] Apache HBase - Hadoop Two Compatibility ........... SUCCESS [7.066s]
[INFO] Apache HBase - Prefix Tree ........................ SUCCESS [9.676s]
[INFO] Apache HBase - Server ............................. SUCCESS
[1:36:58.528s]
[INFO] Apache HBase - Testing Util ....................... SUCCESS [1.222s]
[INFO] Apache HBase - Thrift ............................. SUCCESS [3:20.890s]
[INFO] Apache HBase - Rest ............................... SUCCESS [9:11.530s]
[INFO] Apache HBase - Shell .............................. SUCCESS [5:26.924s]
[INFO] Apache HBase - Integration Tests .................. SUCCESS [1.363s]
[INFO] Apache HBase - Examples ........................... SUCCESS [8.626s]
[INFO] Apache HBase - External Block Cache ............... SUCCESS [0.606s]
[INFO] Apache HBase - Assembly ........................... SUCCESS [1.394s]
[INFO] Apache HBase - Shaded ............................. SUCCESS [0.083s]
[INFO] Apache HBase - Shaded - Client .................... SUCCESS [0.359s]
[INFO] Apache HBase - Shaded - Server .................... SUCCESS [0.483s]
Printing hanging tests
Printing Failing tests
{code}
> Reverse Scan threw StackOverflow caused by readPt checking
> ----------------------------------------------------------
>
> Key: HBASE-14497
> URL: https://issues.apache.org/jira/browse/HBASE-14497
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0, 0.98.14, 1.3.0
> Reporter: Yerui Sun
> Assignee: Yerui Sun
> Fix For: 2.0.0
>
> Attachments: 14497-branch-1-v6.patch, 14497-master-v6.patch,
> HBASE-14497-0.98.patch, HBASE-14497-branch-1-v2.patch,
> HBASE-14497-branch-1-v3.patch, HBASE-14497-branch-1-v6.patch,
> HBASE-14497-branch-1.patch, HBASE-14497-master-v2.patch,
> HBASE-14497-master-v3.patch, HBASE-14497-master-v3.patch,
> HBASE-14497-master-v4.patch, HBASE-14497-master-v5.patch,
> HBASE-14497-master.patch
>
>
> I met stack overflow error in StoreFileScanner.seekToPreviousRow using
> reversed scan. I searched and founded HBASE-14155, but it seems to be a
> different reason.
> The seekToPreviousRow will fetch the row which closest before, and compare
> mvcc to the readPt, which acquired when scanner created. If the row's mvcc is
> bigger than readPt, an recursive call of seekToPreviousRow will invoked, to
> find the next closest before row.
> Considering we created a scanner for reversed scan, and some data with
> smaller rows was written and flushed, before calling scanner next. When
> seekToPreviousRow was invoked, it would call itself recursively, until all
> rows which written after scanner created were iterated. The depth of
> recursive calling stack depends on the count of rows, the stack overflow
> error will be threw if the count of rows is large, like 10000.
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