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https://issues.apache.org/jira/browse/IMPALA-10216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17218015#comment-17218015
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Tim Armstrong commented on IMPALA-10216:
----------------------------------------
>From buffer-pool-test.INFO:
{Noformat}
I1015 11:32:16.355660 9975 tmp-file-mgr.cc:254] Using scratch directory
/tmp/buffer-pool-test.0/impala-scratch on disk 0 limit: 8589934592.00 GB
I1015 11:32:16.359622 9975 tmp-file-mgr.cc:254] Using scratch directory
/tmp/buffer-pool-test.1/impala-scratch on disk 0 limit: 8589934592.00 GB
I1015 11:32:16.373322 9975 buffer-pool-test.cc:1704] Manager 0 Block 0 backed
by file
/tmp/buffer-pool-test.0/impala-scratch/0000000000000000:0000000000000000_86a477fe-d29a-452c-836d-f756a62d6af1
I1015 11:32:16.373332 9975 buffer-pool-test.cc:1704] Manager 0 Block 1 backed
by file
/tmp/buffer-pool-test.1/impala-scratch/0000000000000000:0000000000000000_f96d8fd2-41d5-4a61-9f4c-a576956a52ca
I1015 11:32:16.379698 9975 buffer-pool-test.cc:1704] Manager 1 Block 0 backed
by file
/tmp/buffer-pool-test.1/impala-scratch/0000000000000000:0000000000000000_17aa0054-e36b-48ce-84d3-1acd051747b6
I1015 11:32:16.379714 9975 buffer-pool-test.cc:1704] Manager 1 Block 1 backed
by file
/tmp/buffer-pool-test.0/impala-scratch/0000000000000000:0000000000000000_56ce1652-b607-4ec9-9a2b-ae4cb528e53d
I1015 11:32:16.382289 9975 buffer-pool-test.cc:334] Injected fault by removing
file permissions
/tmp/buffer-pool-test.0/impala-scratch/0000000000000000:0000000000000000_86a477fe-d29a-452c-836d-f756a62d6af1
E1015 11:32:16.382441 16883 tmp-file-mgr.cc:359] Error for temporary file
'/tmp/buffer-pool-test.0/impala-scratch/0000000000000000:0000000000000000_86a477fe-d29a-452c-836d-f756a62d6af1':
Disk I/O error on
impala-ec2-centos74-m5-4xlarge-ondemand-131c.vpc.cloudera.com:27000: open()
failed for
/tmp/buffer-pool-test.0/impala-scratch/0000000000000000:0000000000000000_86a477fe-d29a-452c-836d-f756a62d6af1.
Access denied for the process' user errno=13
I1015 11:32:16.385637 9975 buffer-pool-test.cc:1755] Newly created page backed
by file
/tmp/buffer-pool-test.1/impala-scratch/0000000000000000:0000000000000000_f96d8fd2-41d5-4a61-9f4c-a576956a52ca
I1015 11:32:16.385644 9975 buffer-pool-test.cc:1755] Newly created page backed
by file
/tmp/buffer-pool-test.1/impala-scratch/0000000000000000:0000000000000000_f96d8fd2-41d5-4a61-9f4c-a576956a52ca
{noformat}
As far as I can tell, there should be a file in that directory. Not sure what
is going on. I can't reproduce locally. I will try to add some more debugging
info for when it reproduces again.
> BufferPoolTest.WriteErrorBlacklistCompression is flaky on UBSAN builds
> ----------------------------------------------------------------------
>
> Key: IMPALA-10216
> URL: https://issues.apache.org/jira/browse/IMPALA-10216
> Project: IMPALA
> Issue Type: Bug
> Reporter: Sahil Takiar
> Assignee: Tim Armstrong
> Priority: Critical
>
> Only seen this once so far:
> {code}
> BufferPoolTest.WriteErrorBlacklistCompression
> Error Message
> Value of: FindPageInDir(pages[NO_ERROR_QUERY], error_dir) != NULL
> Actual: false
> Expected: true
> Stacktrace
> Impala/be/src/runtime/bufferpool/buffer-pool-test.cc:1764
> Value of: FindPageInDir(pages[NO_ERROR_QUERY], error_dir) != NULL
> Actual: false
> Expected: true
> {code}
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