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Liang Xie commented on HBASE-7845:
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About HFilePerformanceEvaluation, i ran three times
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Liang Xie commented on HBASE-8163:
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nice staff, cl~
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Liang Xie commented on HBASE-7845:
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[~jmspaggi], thanks for your help.
I just appended
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Liang Xie commented on HBASE-8143:
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if buffer size goes smaller, then the FileChannel's
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Liang Xie commented on HBASE-8143:
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btw, indeed there's a comment bug in above jdk7
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Liang Xie commented on HBASE-8143:
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yes, you could find the following code in hotspot
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Liang Xie commented on HBASE-8143:
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I submitted a trivial patch in HDFS-4530, both i and
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Liang Xie commented on HBASE-8143:
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to be honest, i am not sure which one is more
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Liang Xie commented on HBASE-8143:
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if you did not set MaxDirectMemorySize option
Liang Xie created HBASE-8134:
Summary: delete qualified tombstones during minor compaction
Key: HBASE-8134
URL: https://issues.apache.org/jira/browse/HBASE-8134
Project: HBase
Issue Type:
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https://issues.apache.org/jira/browse/HBASE-4811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13604860#comment-13604860
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Liang Xie commented on HBASE-4811:
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Here is the perf number from leveldb's site:
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Liang Xie commented on HBASE-4811:
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seems reverse scan degrades read perf about 30%~40%,
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Liang Xie updated HBASE-8063:
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Attachment: HBASE-8063-v3.txt
changed per chunhui's comments
Filter HFiles based on
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Liang Xie updated HBASE-7845:
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Attachment: HBASE-7845-v6.txt
v6 tries to support data block encoding scenario:)
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Liang Xie commented on HBASE-7845:
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and fixed the above style problems per Ted's comments
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Liang Xie updated HBASE-8063:
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Attachment: HBASE-8063-v4.txt
The latest v4 patch should address the above style problem:)
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Liang Xie updated HBASE-8063:
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Attachment: (was: HBASE-8063-v4.txt)
Filter HFiles based on first/last key
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Liang Xie updated HBASE-8063:
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Attachment: HBASE-8063-v4.txt
Filter HFiles based on first/last key
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Liang Xie commented on HBASE-7845:
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bq. Is -1 no longer returned ?
it still returns. -2
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Liang Xie commented on HBASE-8063:
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thanks for confirming:)
Filter
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Liang Xie updated HBASE-8063:
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Status: Patch Available (was: Open)
Filter HFiles based on first/last key
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Liang Xie updated HBASE-8063:
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Attachment: HBASE-8063.txt
let's see QA robot
Filter HFiles based on first/last key
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Liang Xie commented on HBASE-8063:
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[~ted_yu], if you change to =, then you have to
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Liang Xie commented on HBASE-8063:
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[~zjushch], the StoreFile#Reader#getComparator()
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Liang Xie commented on HBASE-8063:
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O, seems there's a trouble here, my two thoughts
#
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Liang Xie updated HBASE-8063:
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Attachment: HBASE-8063-v2.txt
addressed compile error
Filter HFiles based on
Liang Xie created HBASE-8063:
Summary: Filter HFiles based on first/last key
Key: HBASE-8063
URL: https://issues.apache.org/jira/browse/HBASE-8063
Project: HBase
Issue Type: Improvement
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Liang Xie commented on HBASE-7845:
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just a quick update: i'll try to understand data
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Liang Xie commented on HBASE-8063:
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good point. but per my understanding, seems
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Liang Xie updated HBASE-7845:
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Attachment: HBASE-7845-v4.txt
v4 fixed the javadoc warnings, and avoid an unnecessary byte array new.
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Liang Xie updated HBASE-7845:
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Attachment: HBASE-7845-v5.txt
Addressed Ted's comments.
1) rename variable
2) err log and fallback
3)
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Liang Xie updated HBASE-7845:
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Attachment: HBASE-7845-v3.txt
I'd done a workable version on our internal 0.94.3 codebase. Attached v3
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Liang Xie commented on HBASE-7845:
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Please refer to TestBlocksRead case in v3, it's easy
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Liang Xie commented on HBASE-7845:
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Diving into the failed cases, it somehow really funny
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Liang Xie commented on HBASE-7845:
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seem i could not modify the old comments in place...
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Liang Xie commented on HBASE-7845:
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And, one thing need to note is, it'll have a conflict
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Liang Xie commented on HBASE-7845:
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yes, you are correct, per my current knowledge
Liang Xie created HBASE-7960:
Summary: cleanup TestDir in TestHalfStoreFileReader
Key: HBASE-7960
URL: https://issues.apache.org/jira/browse/HBASE-7960
Project: HBase
Issue Type: Test
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Liang Xie updated HBASE-7960:
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Status: Patch Available (was: Open)
cleanup TestDir in TestHalfStoreFileReader
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Liang Xie updated HBASE-7960:
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Attachment: HBASE-7960.txt
cleanup TestDir in TestHalfStoreFileReader
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Liang Xie commented on HBASE-7960:
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I'm debugging TestHalfStoreFileReader for another
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Liang Xie commented on HBASE-7960:
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probably we should file another issue to checkrepair
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Liang Xie updated HBASE-7845:
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Attachment: HBASE-7845-v2.txt
optimize hfile index key
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Liang Xie updated HBASE-7845:
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Attachment: (was: HBASE-7845.txt)
optimize hfile index key
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Liang Xie updated HBASE-7845:
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Attachment: (was: HBASE-7845-v2.txt)
optimize hfile index key
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Liang Xie updated HBASE-7845:
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Attachment: HBASE-7845.txt
Fixed a findbugs warning
optimize hfile index key
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Liang Xie commented on HBASE-7845:
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Here is a simple test result, loaded data with YCSB:
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Liang Xie updated HBASE-7845:
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Attachment: HBASE-7845-v2.txt
re-upload patch to kick off QA robot
optimize hfile
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Liang Xie commented on HBASE-7845:
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There is no impact on existing read path at all, just
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Liang Xie commented on HBASE-7845:
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Thanks:)
It's just a proto right now, i am looking
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Liang Xie updated HBASE-7845:
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Summary: optimize hfile index key (was: optimize hfile index size like
leveldb's
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Liang Xie updated HBASE-7845:
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Attachment: HBASE-7845.txt
optimize hfile index key
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Liang Xie updated HBASE-7845:
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Status: Patch Available (was: Open)
optimize hfile index key
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Liang Xie commented on HBASE-7495:
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Sounds a good news, [~lhofhansl]
yes, my expected
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Liang Xie commented on HBASE-7495:
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Thanks for review, [~lhofhansl]
i am OK with for
Liang Xie created HBASE-7875:
Summary: introduce a compaction switch in HBase Shell
Key: HBASE-7875
URL: https://issues.apache.org/jira/browse/HBASE-7875
Project: HBase
Issue Type: New Feature
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Liang Xie updated HBASE-7875:
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Attachment: HBASE-7875.txt
introduce a compaction switch in HBase Shell
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Liang Xie updated HBASE-7875:
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Status: Patch Available (was: Open)
introduce a compaction switch in HBase Shell
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Liang Xie commented on HBASE-7495:
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[~zjusch], yeh, good idea, i can't agree more.
but
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Liang Xie commented on HBASE-7495:
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Yes, the parallel-seeking feature is disabled by
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Liang Xie updated HBASE-7845:
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Assignee: Liang Xie
optimize hfile index size like leveldb's
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Liang Xie commented on HBASE-7845:
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After a further investigation, i know:
1)For leveldb,
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Liang Xie commented on HBASE-7845:
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Hi [~mcorgan], thanks for your comments, i haven't
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Liang Xie commented on HBASE-7495:
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Here is a test report with different thread num.
Test
Liang Xie created HBASE-7845:
Summary: optimize hfile index size like leveldb's
ByteWiseComparatorImpl::FindShortestSeparator() style
Key: HBASE-7845
URL: https://issues.apache.org/jira/browse/HBASE-7845
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v11.txt
v11 patch integrated into HBase's ExecutorService
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Liang Xie updated HBASE-7495:
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Attachment: (was: HBASE-7495-v11.txt)
parallel seek in StoreScanner
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v11.txt
parallel seek in StoreScanner
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Liang Xie commented on HBASE-7495:
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I reran TestHLog with latest v11 patch on my box,
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Liang Xie commented on HBASE-7495:
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the line which size longer than 100 is old code:
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v10.txt
v10 adds a method in RegionServerServices per Ted's comments
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-0.94.txt
parallel seek in StoreScanner
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Liang Xie commented on HBASE-7495:
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[~zjushch], I've uploaded a patch for 0.94, please go
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v8.txt
Move executor to HRegionService now in v8
parallel seek
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Liang Xie updated HBASE-7495:
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Attachment: (was: HBASE-7495-v8.txt)
parallel seek in StoreScanner
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v8.txt
parallel seek in StoreScanner
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Liang Xie commented on HBASE-7495:
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The failed case seems not related with this patch,
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Liang Xie commented on HBASE-7495:
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And i want to clarify again: if we have only one
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v9.txt
addressed above coments. about thread number, IMHO, it's not very
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v6.txt
parallel seek in StoreScanner
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Liang Xie updated HBASE-7495:
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Attachment: (was: HBASE-7495-v6.txt)
parallel seek in StoreScanner
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v6.txt
parallel seek in StoreScanner
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Liang Xie commented on HBASE-7495:
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Uploaded patch v6, move the MVCC setThreadReadPoint
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Liang Xie commented on HBASE-7495:
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Thanks my colleague [~fenghh] for the MVCC code
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Liang Xie commented on HBASE-7495:
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[~anoopsamjohn], good point, it's a trash code came
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v6.txt
parallel seek in StoreScanner
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Liang Xie updated HBASE-7495:
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Attachment: (was: HBASE-7495-v6.txt)
parallel seek in StoreScanner
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v7.txt
parallel seek in StoreScanner
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Liang Xie commented on HBASE-7495:
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Hi [~yuzhih...@gmail.com], i ran the
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v5.txt
parallel seek in StoreScanner
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Liang Xie commented on HBASE-7495:
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Attached v5 patch introduced a config key to
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v4.txt
parallel seek in StoreScanner
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Liang Xie commented on HBASE-7495:
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The previous v4 patch is not right, i've uploaded
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v2.txt
parallel seek in StoreScanner
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Liang Xie commented on HBASE-7495:
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The latest patch fixed a MVCC related problem
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v3.txt
parallel seek in StoreScanner
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Liang Xie updated HBASE-7495:
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Attachment: HBASE-7495-v4.txt
parallel seek in StoreScanner
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Liang Xie commented on HBASE-7495:
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Thanks [~sershe] for looking into it, attached v4
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liang xie updated HBASE-7495:
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Attachment: HBASE-7495.txt
parallel seek in StoreScanner
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liang xie created HBASE-7653:
Summary: scan CF in parallel
Key: HBASE-7653
URL: https://issues.apache.org/jira/browse/HBASE-7653
Project: HBase
Issue Type: Improvement
Components:
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