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https://issues.apache.org/jira/browse/HAWQ-94?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14999982#comment-14999982
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ASF GitHub Bot commented on HAWQ-94:
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Github user yaoj2 commented on the pull request:
https://github.com/apache/incubator-hawq/pull/95#issuecomment-155678209
+1 For handle blockLimitLen=0
> Storage error when insert a large tuple
> ---------------------------------------
>
> Key: HAWQ-94
> URL: https://issues.apache.org/jira/browse/HAWQ-94
> Project: Apache HAWQ
> Issue Type: Bug
> Components: Storage
> Reporter: Dong Li
> Assignee: Lirong Jian
>
> 1. Set guc value "appendonly_split_write_size_mb"
> hawq config -c appendonly_split_write_size_mb -v 2
> 2.Run sql
> set default_segment_num=1;
> create table eightbytleft_for_readsplit(str varchar) with
> (appendonly=true,blocksize=2097152,checksum=true);
> insert into eightbytleft_for_readsplit select repeat('a',2097136*63-8);
> WARNING: skipping "eightbytleft_for_readsplit" --- error returned: Bad
> append-only storage header of type small content. Header check error 7,
> detail 'Append-only storage header is invalid -- overall block length 2097152
> is > block limit length 0 (smallcontent_bytes_0_3 0x120003ff,
> smallcontent_bytes_4_7 0xfe000000)' (cdbappendonlystorageread.c:972) (seg0
> sdw1.hawq.greenplum.com:31100 pid=641344)
> DETAIL:
> Append-Only storage Small Content header: smallcontent_bytes_0_3 0x120003FF,
> smallcontent_bytes_4_7 0xFE000000, headerKind = 1, executorBlockKind = 2,
> rowCount = 0, usingChecksums = true, header checksum 0xAD931AF8, block
> checksum 0x3B923D8, dataLength 2097136, compressedLength 0, overallBlockLen
> 2097152
> Scan of Append-Only Row-Oriented relation 'eightbytleft_for_readsplit'.
> Append-Only segment file
> 'hdfs://smdw:9000/hawq/hawq-1446007451/16385/32094/32095/1', block header
> offset in file = 136314880, bufferCount 66
> INFO: ANALYZE completed. Success: 0, Failure: 1 (eightbytleft_for_readsplit)
> INSERT 0 1
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