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Posted to common-issues@hadoop.apache.org by "Xiao Chen (JIRA)" <ji...@apache.org> on 2017/11/15 18:36:00 UTC
[jira] [Updated] (HADOOP-15023) ValueQueue should also validate
(lowWatermark * numValues) > 0 on construction
[ https://issues.apache.org/jira/browse/HADOOP-15023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Chen updated HADOOP-15023:
-------------------------------
Target Version/s: 2.10.0 (was: 3.1.0)
> ValueQueue should also validate (lowWatermark * numValues) > 0 on construction
> ------------------------------------------------------------------------------
>
> Key: HADOOP-15023
> URL: https://issues.apache.org/jira/browse/HADOOP-15023
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Xiao Chen
> Priority: Minor
>
> ValueQueue has precondition checks for each item independently, but does not check {{(int)(lowWatermark * numValues) > 0}}. If the product is low enough, casting to int will wrap that to 0, causing problems later when filling / getting from the queue.
> [code|https://github.com/apache/hadoop/blob/branch-3.0.0-beta1/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/ValueQueue.java#L224]
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