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[HBASE-14364] hlog_roll and compact_rs broken in shell
...Just noticed that both hlog_roll and compact_rs are broken in shell (at least in 0.98).The hlog_roll broken 3 times: (1) calls admin.rollWALWriter, which no longer exists, and (2) tries to p...
, 2015-09-05, 04:41
[HBASE-13919] Rationalize Client Timeout
...There are current many setting that influence how/when an HBase client times out.This is hard to configure, hard to understand, and badly documented.Instead there should as few tweaks as nee...
, 2015-08-23, 02:33
[HBASE-13497] Remove MVCC stamps from HFile when that is safe
...See discussion in HBASE-13389.The optimization was initially put in with HBASE-8166, HBASE-12600 undoes it, this will partially restores it.Instead of checking the MVCC readpoints against th...
, 2015-07-30, 18:18
[HBASE-12945] Port: New master API to track major compaction completion to 0.98
, 2015-07-18, 11:08
[HBASE-13159] Consider RangeReferenceFiles with transformations
...Currently we have References used by HalfStoreReaders and HFileLinks.For various use cases we have here we have need for a RangeReferences with simple transformation of the keys.That would a...
, 2015-07-15, 18:04
[HBASE-13352] Add hbase.import.version to Import usage.
...We just tried to export some (small amount of) data out of an 0.94 cluster to 0.98 cluster. We used Export/Import for that.By default we found that the import M/R job correctly reports the n...
, 2015-07-15, 06:13
[HBASE-13703] ReplicateContext should not be a member of ReplicationSource
...The ReplicateContext object is created once per ReplicationSource and then reused when we have something to ship to the sinks.This is a misguided optimization. ReplicateContext is very light...
, 2015-07-04, 22:39
[HBASE-13618] ReplicationSource is too eager to remove sinks
...Looking at the replication for some other reason I noticed that the replication source might be a bit too eager to remove sinks from the list of valid sinks.The current logic allows a sink t...
, 2015-07-04, 22:39
[HBASE-12765] SplitTransaction creates too many threads (potentially)
...In splitStoreFiles(...) we create a new thread pool with as many threads as there are files to split.We should be able to do better. During times of very heavy write loads there might be a l...
, 2015-07-04, 01:04
[HBASE-11811] Use binary search for seeking into a block
...Currently upon every seek (including Gets) we need to linearly look through the block from the beginning until we find the Cell we are looking for.It should be possible to build a simple cac...
, 2015-06-27, 07:03
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