Manikumar Reddy 8dff0b168a Kafka 9626: Improve ACLAuthorizer.acls() performance ... This PR avoids creation of unnecessary sets in AclAuthorizer.acls() method implementation. Perf results: **Old** ``` Benchmark (aclCount) (resourceCount) Mode Cnt Score Error Units AclAuthorizerBenchmark.testAclsIterator 5 5000 avgt 15 5.821 ? 0.309 ms/op AclAuthorizerBenchmark.testAclsIterator 5 10000 avgt 15 15.303 ? 0.107 ms/op AclAuthorizerBenchmark.testAclsIterator 5 50000 avgt 15 74.976 ? 0.543 ms/op AclAuthorizerBenchmark.testAclsIterator 10 5000 avgt 15 15.366 ? 0.184 ms/op AclAuthorizerBenchmark.testAclsIterator 10 10000 avgt 15 29.899 ? 0.129 ms/op AclAuthorizerBenchmark.testAclsIterator 10 50000 avgt 15 167.301 ? 1.723 ms/op AclAuthorizerBenchmark.testAclsIterator 15 5000 avgt 15 21.980 ? 0.114 ms/op AclAuthorizerBenchmark.testAclsIterator 15 10000 avgt 15 44.385 ? 0.255 ms/op AclAuthorizerBenchmark.testAclsIterator 15 50000 avgt 15 241.919 ? 3.955 ms/op ``` **New** ``` Benchmark (aclCount) (resourceCount) Mode Cnt Score Error Units AclAuthorizerBenchmark.testAclsIterator 5 5000 avgt 15 0.666 ? 0.004 ms/op AclAuthorizerBenchmark.testAclsIterator 5 10000 avgt 15 1.427 ? 0.015 ms/op AclAuthorizerBenchmark.testAclsIterator 5 50000 avgt 15 21.410 ? 0.225 ms/op AclAuthorizerBenchmark.testAclsIterator 10 5000 avgt 15 1.230 ? 0.018 ms/op AclAuthorizerBenchmark.testAclsIterator 10 10000 avgt 15 4.303 ? 0.744 ms/op AclAuthorizerBenchmark.testAclsIterator 10 50000 avgt 15 36.724 ? 0.409 ms/op AclAuthorizerBenchmark.testAclsIterator 15 5000 avgt 15 2.433 ? 0.379 ms/op AclAuthorizerBenchmark.testAclsIterator 15 10000 avgt 15 9.818 ? 0.214 ms/op AclAuthorizerBenchmark.testAclsIterator 15 50000 avgt 15 52.886 ? 0.525 ms/op ``` Author: Manikumar Reddy <manikumar.reddy@gmail.com> Author: Lucas Bradstreet <lucas@confluent.io> Reviewers: Ismael Juma <ismael@juma.me.uk>, Rajini Sivaram <rajinisivaram@googlemail.com>, Lucas Bradstreet <lucas@confluent.io> Closes #8199 from omkreddy/KAFKA-9626		2020-03-03 01:51:09 +05:30
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.scalafmt.conf	MINOR: Add Scalafmt to Streams Scala API (#4965)	2018-07-09 16:48:34 -07:00
checkstyle.xml	KAFKA-7308: Fix rat and checkstyle config for Java 11 support (#5529)	2018-08-18 08:18:28 -07:00
import-control-core.xml	KAFKA-9106 make metrics exposed via jmx configurable (#7674)	2020-02-13 10:21:14 -08:00
import-control-jmh-benchmarks.xml	Kafka 9626: Improve ACLAuthorizer.acls() performance	2020-03-03 01:51:09 +05:30
import-control.xml	KAFKA-9556; Fix two issues with KIP-558 and expand testing coverage (#8085)	2020-02-14 14:34:34 -08:00
java.header	MINOR: improve license header check by providing head file instead of (prefix) header regex	2017-02-28 12:35:04 -08:00
suppressions.xml	KAFKA-8805; Bump producer epoch on recoverable errors (#7389)	2020-02-15 22:47:10 -08:00