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[HBASE-10247] Client promises about timestamps
...This is to start a discussion about timestamp promises declared per table of CF.For example if a client promises only monotonically increasing timestamps (or no custom set timestamps) and VE...
, 2016-12-28, 19:04
[HBASE-13094] Consider Filters that are evaluated before deletes and see delete markers
...That would be good for full control filtering of all cells, such as needed for some transaction implementations.Gary Helmling...
, 2016-12-18, 01:12
[HBASE-16115] Missing security context in RegionObserver coprocessor when a compaction/split is triggered manually
...We ran into an interesting phenomenon which can easily render a cluster unusable.We loaded some tests data into a test table and forced a manual compaction through the UI. We have some compa...
, 2016-12-12, 18:45
[HBASE-7010] PrefixFilter should seek to first matching row
...Currently a PrefixFilter will happily scan all KVs < prefix.If should seek forward to the prefix if the current KV < prefix....
, 2016-07-28, 05:31
[HBASE-14549] Simplify scanner stack reset logic
...Looking at the code, I find that the logic is unnecessarily complex.We indicate in updateReaders that the scanner stack needs to be reset. Then almost all store scanner (and derived classes)...
, 2016-07-18, 21:30
[HBASE-15059] Allow 0.94 to compile against Hadoop 2.7.x
...Currently HBase 0.94 cannot be compiled against Hadoop 2.7....
, 2016-07-18, 09:23
[HBASE-5954] Allow proper fsync support for HBase
...At least get recommendation into 0.96 doc and some numbers running w/ this hdfs feature enabled....
, 2016-07-18, 09:22
[HBASE-9440] Pass blocks of KVs from HFile scanner to the StoreFileScanner and up
...Currently we read KVs from an HFileScanner one-by-one and pass them up the scanner/heap tree. Many time the ranges of KVs retrieved from StoreFileScanner (by StoreScanners) and HFileScanner ...
, 2016-07-18, 09:20
[HBASE-14869] Better request latency and size histograms
...I just discussed this with a colleague.The get, put, etc, histograms that each region server keeps are somewhat useless (depending on what you want to achieve of course), as they are aggrega...
, 2016-06-16, 23:47
[HBASE-15452] Consider removing checkScanOrder from StoreScanner.next
...In looking why we spent so much time in StoreScanner.next when doing a simple Phoenix count(*) query I came across checkScanOrder. Not only is this a function dispatch (that the JIT woul...
, 2016-03-15, 13:09
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