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Posted to issues@impala.apache.org by "Juan Yu (JIRA)" <ji...@apache.org> on 2017/05/31 22:59:04 UTC

[jira] [Created] (IMPALA-5410) same query can use 100x more memory in some scenarios and exceed mem limit

Juan Yu created IMPALA-5410:
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             Summary: same query can use 100x more memory in some scenarios and exceed mem limit
                 Key: IMPALA-5410
                 URL: https://issues.apache.org/jira/browse/IMPALA-5410
             Project: IMPALA
          Issue Type: Bug
            Reporter: Juan Yu
         Attachments: profile-failed.txt, profile-succeed.txt

The same query running on the same cluster repeatedly used 100x more memory and failed with memory limit exceed.

Success one
Aggregate Peak Memory Usage: 4.2 GiB

Failed one
 Aggregate Peak Memory Usage: 1.9 TiB

Attached both profiles




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