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[HBASE-18105] [AMv2] Split/Merge need cleanup; currently they diverge and do not fully embrace AMv2 world
...Region Split and Merge work on the new AMv2 but they work differently. This issue is about bringing them back together and fully embracing the AMv2 program.They both have issues mostly the f...
, 2017-07-27, 22:26
[HBASE-10092] Move up on to log4j2
...Allows logging with less friction. See http://logging.apache.org/log4j/2.x/ This rather radical transition can be done w/ minor change given they have an adapter for apache's log...
, 2017-07-27, 19:51
[HBASE-8009] Fix and reenable the hbase-example unit tests.
...The unit tests pass locally for me repeatedly but fail from time to time up on jenkins. HBASE-7994 disabled them. This issue is about spending the time to make sure they pass up ...
, 2017-07-26, 16:43
[HBASE-11206] Enable automagically tweaking memstore and blockcache sizes
...HBASE-5349"Automagically tweak global memstore and block cache sizes based on workload" adds a nice new feature. It is off by default. Lets turn it on for 0.99. Liang Xie is conc...
, 2017-07-25, 17:53
[HBASE-18107] [AMv2] Remove DispatchMergingRegionsRequest & DispatchMergingRegions
...They don't align with how we have named the Split equivalents; i.e. SplitRegion (so should be MergeRegion...). They probably have these awkward names because the obvious slots are occupied.....
, 2017-07-23, 16:36
[HBASE-17738] BucketCache startup is slow
...If you set bucketcache size at 64G say and then start hbase, it takes a long time. Can we do the allocations in parallel and not inline with the server startup?Related, prefetching on a buck...
, 2017-07-20, 23:51
[HBASE-15248] BLOCKSIZE 4k should result in 4096 bytes on disk; i.e. fit inside a BucketCache 'block' of 4k
...Chatting w/ a gentleman named Daniel Pol who is messing w/ bucketcache, he wants blocks to be the size specified in the configuration and no bigger. His hardware set ups fetches pages of 4k ...
, 2017-07-20, 10:07
[HBASE-15477] Do not save 'next block header' when we cache hfileblocks
... When we read from HDFS, we overread to pick up the next blocks header. Doing this saves a seek as we move through the hfile; we save having to do an ex...
, 2017-07-20, 06:15
[HBASE-18109] Assign system tables first (priority)
...Need this for stuff like the RSGroup table, etc. Assign these ahead of user-space regions.From 'Handle sys table assignment first (e.g. acl, namespace, rsgroup); currently only hbase:meta is...
, 2017-07-19, 23:25
[HBASE-6903] HLog.Entry implements Writable; change to pb
...Can we do this in a way that makes it so even after 0.96, we can read old WALs?...
, 2017-07-19, 17:07
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