Thanks for working through feedback provided over HBASE-23887 Jira and creating this new PR [1] with new L1 cache: AdaptiveLRU. Really appreciate your efforts!! I just had high level look today, structure looks great and will spend some time (day after) tomorrow for detailed review.
Requesting other reviewers to take a look at this nice new PR [1]. Thanks 1. https://github.com/apache/hbase/pull/2934 On 2021/01/07 19:03:54, Sergey Semenoff <[email protected]> wrote: > Hello, guys! > > Sorry for bothering so smallest thing like increasing performance up to 3 > times)) I am not sure how much time is ok to consider a PR in open source > projects, if I too persistent please forgive me. > > Maybe someone will have time to take a look at some proposals improvement: > https://github.com/apache/hbase/pull/1257 > > Thanks) > > ср, 16 сент. 2020 г., 12:41 Sergey Semenoff <[email protected]>: > > > Hi *! > > > > I think everybody who working with the real BigData know – performance is > > very important. > > > > Unfortunaly our lovely HBase slower then Cassandra approximately in 2 > > times when reading huge amount of data. > > > > > > For example – this is Cassandra the performance test run from 2 hosts > > (client side) > > > > Host1 - Throughput(ops/sec), 231 021 > > > > Host2 - Throughput(ops/sec), 224 691 > > > > > > > > Summary ~450 000. > > > > HBase shows in the same conditions only 210 000. > > > > > > > > Maybe this is one of the reason why Cassandra is more popular (see > > https://db-engines.com/en/ranking/wide+column+store) > > > > I’ve done an improvment which can make HBase faster up 2-3 times (it > > depends of many reasons, and sometimes even faster). > > > > With the improvement HBase speed up to 430 000 ops/sec. > > > > See the picture in attachment. > > > > > > > > If you interested to get this improvement in release you can help to > > attract some developers attention here - > > https://issues.apache.org/jira/browse/HBASE-23887 > > > > Put some line there with your opinion and vote if you think it could be > > useful for your work. > > > > I believe discussion about this approach can make HBase more useful and > > popular. > > > > > > > > Thanks for attention) > > > > With the best regards, > > > > Pustota > > > > >
