Mehant Baid created DRILL-2079:
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Summary: Index out of bounds exception while performing external
sort
Key: DRILL-2079
URL: https://issues.apache.org/jira/browse/DRILL-2079
Project: Apache Drill
Issue Type: Bug
Reporter: Mehant Baid
Assignee: Mehant Baid
Fix For: 0.8.0
With a data set large enough to cause the external sort to spill we hit index
out of bounds exception when we have a fixed width vector in the record batch.
With the recent automatic memory reallocation fix (DRILL-1960) we moved to
allocating memory for fixed width vectors with target record counts (instead of
allocateNewSafe). However in PriorityQueueCopierTemplate we still use the old
interface and since we don't use copyFromSafe() anymore we hit IOOB since the
vector is not sized as expected. Fix is simply to use AllocationHelper so that
we allocate the exact memory required by fixed width vectors.
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