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Stephen Yuan Jiang
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[HBASE-13579] Avoid isCellTTLExpired() for NO-TAG cases
...As observed in this JIRA's performance test, we are always calling the isCellTTLExpired() for every cell and internally it is parsing the keyLength, valueLength() to get the tagsLength after...
, 2016-02-05, 07:18
[HBASE-14841] Allow Dictionary to work with BytebufferedCells
...This is part of HBASE-14832 where we need to ensure that while BBCells are getting compacted the TagCompression part should be working with BBCells....
, 2016-01-29, 07:47
[HBASE-14842] PrefixTree write path should work with BytebufferedCells (during compaction)
...This is again related to HBASE-14832 where any Prefix Tree cell during compaction should work with BBCells. For now changing the value/tag part alone is enough since only the value/tag is go...
, 2016-01-28, 05:19
[HBASE-14761] Deletes with and without visibility expression do not delete the matching mutation
...This is from the user list as reported by Anoop Sharma running into an issue related to visibility expressions and delete.Example run from hbase shell is listed below.Will appreciate an...
, 2016-01-27, 15:28
[HBASE-14221] Reduce the number of time row comparison is done in a Scan
...When we tried to do some profiling with the PE tool found this.Currently we do row comparisons in 3 places in a simple Scan case.1) ScanQueryMatcher int ret = this....
, 2016-01-20, 02:44
[HBASE-15090] Remove the throws clause from OnlineRegions.getOnlineRegions(TableName)
...The implementation of OnlineRegions.getOnlineRegions(TableName tableName) does not throw any error. So there is no need for the interface to throw Exception....
, 2016-01-12, 10:14
[HBASE-15027] Refactor the way the CompactedHFileDischarger threads are created
...As per suggestion given over in HBASE-14970, if we need to create a single thread pool service for the CompactionHFileDischarger we need to create an exectuor service in the RegionServer lev...
, 2016-01-11, 15:28
[HBASE-14832] Ensure write paths work with ByteBufferedCells in case of compaction
...Currently any cell coming out of offheap Bucketcache while compaction does a copy using the getXXXArray() API since write path does not work with BBCells. This JIRA is aimed at changing the ...
, 2016-01-07, 19:26
[HBASE-12593] Tags to work with ByteBuffer
...Adding the subtask so that we don't forget it. Came up while reviewing the items required for this parent task....
, 2016-01-06, 17:42
[HBASE-15050] Block Ref counting does not work in Region Split cases.
...The reference counting on the blocks does not work correctly when the HalfStorefileReader is used for compaction/scans. The reason is that getFirstKey and getLastKey API create a new scanner...
, 2015-12-30, 16:26
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