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[HBASE-8402] ScanMetrics depends on number of rpc calls to the server. - HBase - [issue]
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...Currently, scan metrics is not published in case there is one trip to server. I was testing it on a small row range (200 rows) with a large cache value (1000). It doesn't look right as metri...
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http://issues.apache.org/jira/browse/HBASE-8402
Author: Himanshu Vashishtha,
2013-05-15, 23:09
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[HBASE-8346] Prefetching .META. rows in case only when useCache is set to true - HBase - [issue]
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...While doing a .META. lookup (HCM#locateRegionInMeta), we also prefetch some other region's info for that table. The usual call to the meta lookup has useCache variable set to true. Currently...
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http://issues.apache.org/jira/browse/HBASE-8346
Author: Himanshu Vashishtha,
2013-05-07, 15:54
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[HBASE-7122] Proper warning message when opening a log file with no entries (idle cluster) - HBase - [issue]
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...In case the cluster is idle and the log has rolled (offset to 0), replicationSource tries to open the log and gets an EOF exception. This gets printed after every 10 sec until an entry is in...
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http://issues.apache.org/jira/browse/HBASE-7122
Author: Himanshu Vashishtha,
2013-05-07, 08:59
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[HBASE-7970] Improve file descriptor usage: currently, there are two file descriptors per storefile - HBase - [issue]
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...This is because there are two open calls in the HFile: one with checksum and another for without checksum support in v2:see the method in HFile:createReaderWithEncoding()FSDataInputStream fs...
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http://issues.apache.org/jira/browse/HBASE-7970
Author: Himanshu Vashishtha,
2013-04-29, 22:40
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[HBASE-8414] Hbck still refers to -ROOT- table to locate .META. - HBase - [issue]
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...In the current ROOT-less trunk, hbck still tries to fix meta by looking its location in the .ROOT. table. This happens if there is no .META. assigned when hbck is ran.HbaseFsck.java:boolean ...
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http://issues.apache.org/jira/browse/HBASE-8414
Author: Himanshu Vashishtha,
2013-04-24, 17:48
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[HBASE-8395] Remove TestFromClientSide.testPoolBehavior - HBase - [issue]
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...This test tests the underlying ThreadPoolExecutor's thread management, and has nothing to do with HBase functionality. I suggest we should delete it....
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http://issues.apache.org/jira/browse/HBASE-8395
Author: Himanshu Vashishtha,
2013-04-24, 13:22
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[HBASE-7937] Retry log rolling to support HA NN scenario - HBase - [issue]
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...A failure in log rolling causes regionserver abort. In case of HA NN, it will be good if there is a retry mechanism to roll the logs.A corresponding jira for MemStore retries is HBASE-7507....
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http://issues.apache.org/jira/browse/HBASE-7937
Author: Himanshu Vashishtha,
2013-04-24, 06:44
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[HBASE-8102] Replication NodeFailoverWorker should check other rs znodes before proceeding - HBase - [issue]
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...NodeFailoverWorker takes the dead rs znode and starts processing it (moving the log znodes under it, etc). Even a regionserver restart will trigger this znodes movement. This cause some othe...
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http://issues.apache.org/jira/browse/HBASE-8102
Author: Himanshu Vashishtha,
2013-04-23, 20:26
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Re: Under Heavy Write Load + Replication On : Brings All My Region Servers Dead - HBase - [mail # user]
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...Hello Ameya, Sorry to hear that. You have two options: 1) Apply HBase-8099 patch to your version. ( https://issues.apache.org/jira/browse/HBASE-8099) The patch is simple, s...
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Author: Himanshu Vashishtha,
2013-04-18, 05:48
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[HBASE-7954] Fix the retrying logic of memstore flushes to avoid extra sleep - HBase - [issue]
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...Matteo pointed out:"We can avoid the redundant sleep in the retrying logic."...
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http://issues.apache.org/jira/browse/HBASE-7954
Author: Himanshu Vashishtha,
2013-04-09, 18:09
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