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https://issues.apache.org/jira/browse/DRILL-8372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17651306#comment-17651306
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ASF GitHub Bot commented on DRILL-8372:
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jnturton opened a new pull request, #2728:
URL: https://github.com/apache/drill/pull/2728
# [DRILL-8372](https://issues.apache.org/jira/browse/DRILL-8372): Unfreed
buffers when running a LIMIT 0 query over delimited text
## Description
TODO
## Documentation
N/A
## Testing
TODO
> Unfreed buffers when running a LIMIT 0 query over delimited text
> ----------------------------------------------------------------
>
> Key: DRILL-8372
> URL: https://issues.apache.org/jira/browse/DRILL-8372
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Text & CSV
> Affects Versions: 1.21.0
> Reporter: James Turton
> Assignee: James Turton
> Priority: Major
> Fix For: 1.21.0
>
>
> With the following data layout
>
> {code:java}
> /tmp/foo/bar:
> large_csv.csvh
> /tmp/foo/boo:
> large_csv.csvh
> {code}
> a LIMIT 0 query over it results in unfreed buffer errors.
> {code:java}
> apache drill (dfs.tmp)> select * from `foo` limit 0;
> Error: SYSTEM ERROR: IllegalStateException: Allocator[op:0:0:4:EasySubScan]
> closed with outstanding buffers allocated (3).
> Allocator(op:0:0:4:EasySubScan) 1000000/299008/3182592/10000000000
> (res/actual/peak/limit)
> child allocators: 0
> ledgers: 3
> ledger[113] allocator: op:0:0:4:EasySubScan), isOwning: true, size:
> 262144, references: 1, life: 277785186322881..0, allocatorManager: [109,
> life: 277785186258906..0] holds 1 buffers.
> DrillBuf[142], udle: [110 0..262144]
> ledger[114] allocator: op:0:0:4:EasySubScan), isOwning: true, size:
> 32768, references: 1, life: 277785186463824..0, allocatorManager: [110, life:
> 277785186414654..0] holds 1 buffers.
> DrillBuf[143], udle: [111 0..32768]
> ledger[112] allocator: op:0:0:4:EasySubScan), isOwning: true, size: 4096,
> references: 1, life: 277785186046095..0, allocatorManager: [108, life:
> 277785185921147..0] holds 1 buffers.
> DrillBuf[141], udle: [109 0..4096]
> reservations: 0 {code}
>
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