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Posted to issues@hbase.apache.org by "Hudson (Jira)" <ji...@apache.org> on 2022/05/14 18:50:00 UTC
[jira] [Commented] (HBASE-27019) Minor compression performance improvements
[ https://issues.apache.org/jira/browse/HBASE-27019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17537079#comment-17537079 ]
Hudson commented on HBASE-27019:
--------------------------------
Results for branch master
[build #587 on builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/587/]: (x) *{color:red}-1 overall{color}*
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(/) {color:green}+1 general checks{color}
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(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3) report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/587/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/587/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(x) {color:red}-1 source release artifact{color}
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(x) {color:red}-1 client integration test{color}
-- Something went wrong with this stage, [check relevant console output|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/587//console].
> Minor compression performance improvements
> ------------------------------------------
>
> Key: HBASE-27019
> URL: https://issues.apache.org/jira/browse/HBASE-27019
> Project: HBase
> Issue Type: Bug
> Reporter: Andrew Kyle Purtell
> Assignee: Andrew Kyle Purtell
> Priority: Trivial
> Fix For: 2.5.0, 3.0.0-alpha-3
>
>
> TRACE level logging is expensive enough to warrant removal. They were useful during development but now are just overhead.
> {noformat}
> 1270039022 4.07% 127 jbyte_disjoint_arraycopy
> {noformat}
> e.g.
> {noformat}
> [ 0] jbyte_disjoint_arraycopy
> [ 1] org.slf4j.impl.Reload4jLoggerAdapter.isTraceEnabled
> [ 2] org.slf4j.impl.Reload4jLoggerAdapter.trace
> [ 3] org.apache.hadoop.hbase.io.compress.aircompressor.HadoopCompressor.setInput
> [ 4] org.apache.hadoop.io.compress.BlockCompressorStream.write
> [ 5] java.io.OutputStream.write
> [ 6] com.salesforce.hbase.util.TestUtils.outputStreamTest
> [ 7] com.salesforce.hbase.util.TestUtils.outputStreamTest
> [ 8] com.salesforce.hbase.BenchmarkAircompressorLz4.test
> [ 9] com.salesforce.hbase.jmh_generated.BenchmarkAircompressorLz4_test_jmhTest.test_avgt_jmhStub
> [10] com.salesforce.hbase.jmh_generated.BenchmarkAircompressorLz4_test_jmhTest.test_AverageTime
> {noformat}
> Also we unnecessarily create new LZ4 compressor and decompressor instances in the reset() methods.
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