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https://issues.apache.org/jira/browse/HBASE-25346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17245725#comment-17245725
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ramkrishna.s.vasudevan commented on HBASE-25346:
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[~nilone2]
>From the report you have attached am not sure whether it is the writes that is
>slower or reads also?
Is it possible to attach the TPS/latency numbers with writes and reads?
> hbase2.x the performance is lower than hbase 1.x ？
> ---------------------------------------------------
>
> Key: HBASE-25346
> URL: https://issues.apache.org/jira/browse/HBASE-25346
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 2.0.2
> Reporter: nilonealex
> Priority: Critical
> Attachments: hbase-pe-performace-test.log, hbase-site.xml
>
>
> Recently we found that the newly built production hbase cluster is running a
> bit slow , the hadoop version is Hbase2.0.2 ( HDP3.1.1) and it has 100
> nodes.Then we begin to do load & query performance verification between
> Hbase2.0.2 ( HDP3.1.1) & Hbase1.2.0 ( CDH5.13.3 ) test environment （4nodes）,
> found that : put data based on hbase2.0 is much slower than hbase1.x (the
> former is almost half of the latter), I use BufferedMutator and
> BufferedMutatorParams term for batch put to improve efficiency. More
> confusing is the performance of the production environment is worse than my
> test environment
> Some of the codes are as follows:
> -----------------------------------------------------------------------
> {color:#4C9AFF}List<Mutation> mutator = new ArrayList<>();
> BufferedMutator table = null;
> BufferedMutatorParams params = new
> BufferedMutatorParams(TableName.valueOf(fileHbRule.getHbaseTableName()));
> params.writeBufferSize(fileHbRule.getFlushBuffer().intValue()*1024*1024);
> table = connection.getBufferedMutator(params);
>
> mutator.add(p);
> if(totalCnts % 5000 == 0 ) {
> table.mutate(mutator);
> mutator.clear();
> }{color}
> -----------------------------------------------------------------------
> The file to put is a text format file: 2 million rows comma-separated text
> file, each row records 110 columns, total size is about 1G. In addition to
> the main parameter configuration such as heap memory, I kept the default
> parameter values ??for most of the hbase services.
> The load program is designed for single thread.
> The following is the progress information :
> ----------------------- Hbase1.2.0 ( CDH5.13.3 )
> --------------------------------------------
> 2020-12-01 16:48:18 inserted: 100000
> 2020-12-01 16:48:36 inserted: 200000
> 2020-12-01 16:48:52 inserted: 300000
> 2020-12-01 16:49:08 inserted: 400000
> 2020-12-01 16:49:23 inserted: 500000
> 2020-12-01 16:49:39 inserted: 600000
> 2020-12-01 16:49:56 inserted: 700000
> 2020-12-01 16:50:12 inserted: 800000
> 2020-12-01 16:50:29 inserted: 900000
> 2020-12-01 16:50:45 inserted: 1000000
> 2020-12-01 16:51:01 inserted: 1100000
> 2020-12-01 16:51:17 inserted: 1200000
> 2020-12-01 16:51:34 inserted: 1300000
> 2020-12-01 16:51:49 inserted: 1400000
> 2020-12-01 16:52:05 inserted: 1500000
> 2020-12-01 16:52:21 inserted: 1600000
> 2020-12-01 16:52:40 inserted: 1700000
> 2020-12-01 16:52:57 inserted: 1800000
> 2020-12-01 16:53:19 inserted: 1900000
> 2020-12-01 16:53:42 inserted: 2000000
> 2020-12-01 16:53:48 inserted: 2000000
> imp finished ok!
> --job finished--
> -----------------------Hbase.2.0.2 (
> HDP3.1.1)---------------------------------------------
> 2020-12-01 17:25:24 inserted: 100000
> 2020-12-01 17:26:03 inserted: 200000
> 2020-12-01 17:26:39 inserted: 300000
> 2020-12-01 17:27:13 inserted: 400000
> 2020-12-01 17:27:47 inserted: 500000
> 2020-12-01 17:28:23 inserted: 600000
> 2020-12-01 17:29:03 inserted: 700000
> 2020-12-01 17:29:40 inserted: 800000
> 2020-12-01 17:30:15 inserted: 900000
> 2020-12-01 17:30:51 inserted: 1000000
> 2020-12-01 17:31:27 inserted: 1100000
> 2020-12-01 17:32:03 inserted: 1200000
> 2020-12-01 17:32:39 inserted: 1300000
> 2020-12-01 17:33:14 inserted: 1400000
> 2020-12-01 17:33:50 inserted: 1500000
> 2020-12-01 17:34:25 inserted: 1600000
> 2020-12-01 17:35:01 inserted: 1700000
> 2020-12-01 17:35:38 inserted: 1800000
> 2020-12-01 17:36:14 inserted: 1900000
> 2020-12-01 17:36:51 inserted: 2000000
> 2020-12-01 17:36:55 inserted: 2000000
> imp finished ok!
> --job finished--
> returnCode=0
> In addition, we also did some benchmark tests on the production cluster.The
> delay is seem to be a bit high. The detailed report is in the attachment.
> Are there any key points that I have not done configuration? or，, this
> version has performance defects ?
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