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https://issues.apache.org/jira/browse/HBASE-20509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16914988#comment-16914988
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Hudson commented on HBASE-20509:
--------------------------------
Results for branch branch-2
[build #2189 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2189/]:
(x) *{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2189//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2189//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2189//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(x) {color:red}-1 client integration test{color}
--Failed when running client tests on top of Hadoop 3. [see log for
details|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2189//artifact/output-integration/hadoop-3.log].
(note that this means we didn't check the Hadoop 3 shaded client)
> Put List in HashSet directly without using addAll function to improve
> performance
> ---------------------------------------------------------------------------------
>
> Key: HBASE-20509
> URL: https://issues.apache.org/jira/browse/HBASE-20509
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: taiyinglee
> Assignee: taiyinglee
> Priority: Trivial
> Fix For: 3.0.0, 2.3.0, 2.1.7, 2.2.2
>
> Attachments: HBASE-20509.v0.patch
>
>
> [https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html]
> change
> Set<ServerName> serverSet = new HashSet<>();
> serverSet.addAll(serverList);
> to
> Set<ServerName> serverSet = new HashSet<>(serverList);
> in
> ./hbase-server/src/main/java/org/apache/hadoop/hbase/favored/FavoredNodeAssignmentHelper.java
>
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