it is good question you have on WALEdit and transaction atomicity.
One WALEdit can have mutations from different rows. But WALEdit is indeed
like a transaction in HBase.
This seemingly is contradictory.
It can be explained. A HBase region 'tries' to apply the incoming batch of
mutations in batch
The Apache Phoenix team is pleased to announce the immediate availability
of the 4.10.0 release. Apache Phoenix enables SQL-based OLTP and
operational analytics for Hadoop using Apache HBase as its backing store
and providing integration with other projects in the ecosystem such as
Spark, Hive, Pig
Hi Folks,
The Apache Gora team are pleased to announce the immediate availability of
Apache Gora 0.7.
The Apache Gora open source framework provides an in-memory data model and
persistence for big data. Gora supports persisting to column stores, key
value stores, document stores and RDBMSs, and an
Hi Allan,
I didn't see any improvement either after decrease the compact threads
number or increase the memstore flush size. :(
How much write tps can your cluster handler per region server?
Thanks
Hef
On Wed, Mar 22, 2017 at 10:07 AM, Allan Yang wrote:
> hbase.regionserver.thread.compaction.s
In the same time in zookeeper log:
2017-03-23 02:01:33,004 - WARN
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught
end of stream exception
EndOfStreamException: Unable to read additional data from client
sessionid 0x35af577e0ac, likely client has closed socket
