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[HBASE-17355] Create a simplifed version of flush scanner
...Currently we use StoreScanner for performing the flushes which actuallly goes row by row. Probably that is not needed and we could always go ahead with a simple loop in collecting the cells ...
, 2017-08-17, 00:33
[HBASE-16501] seekToPrevoiusRow() can be optimized
...Need to check the details and see how to implement it. But the problem is thisIn seekToPReviousRow impl in case of a reverse scan, say we have rows row10000 to row20000. We are doing a rever...
, 2017-08-16, 22:33
[HBASE-16013] In-memory Compaction process can be improved for a default case
...There is an ongoing discussion on how to handle the default case (no duplicates/deletes) and how to use the new CompactingMemstore in such a case.One improvement is to avoid the StoreScanner...
, 2017-08-16, 22:29
[HBASE-9056] Add client side support for Tags
...Clients should now be able to support tags. Also the LoadTestTool and Performance Evaluation tool should work with Tags....
, 2017-08-01, 17:15
[HBASE-18002] Investigate why bucket cache filling up in file mode in an exisiting file is slower
...This issue was observed when we recently did some tests with SSD based bucket cache. Similar thing was also reported by @stack and Daniel Pol while doing some of these bucket cache related t...
, 2017-07-11, 07:19
[HBASE-16055] PutSortReducer loses any Visibility/acl attribute set on the Puts
...Based on a user discussion, I think as the user pointed out rightly, when a PutSortReducer is used any visibility attribute or external attribute set on the Put will be lost as we create KVs...
, 2017-07-05, 12:42
[HBASE-14935] ReverseStoreScanner can check for scanner reset before seekToPreviousRow and backwardSeek.
...ReversedStoreScanner#seekToPreviousRow and backwardSeek can check if the heap has to be reset before doing reseek. There is no bug before this but just an added check....
, 2017-06-30, 11:19
[HBASE-15215] TestBlockEvictionFromClient is flaky in jdk1.7 build
...This is the 2nd time I am noticing this. Tests run: 13, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 76.187 sec <<< FAILURE! - in org.apache.hadoop.hbase.client.TestBlockEvicti...
, 2017-06-30, 11:07
[HBASE-16167] Verify the sizing part of Compacting Memstore.
...Before taking the snapshot we try to get the flushSize(). We get the tail element's size. After snapshot is taken the tail element is what snapshotted and we should have the same size in thi...
, 2017-06-30, 05:30
[HBASE-16166] Create a memstore impl that does not compact but creates pipelines and flushes all segments from pipeline
...A new memstore impl for the default cases, where we could create pipelines and then directly flush all the segments in pipelines....
, 2017-06-30, 05:29
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