Prasanth Jayachandran created ORC-435:
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Summary: Ability to read stripes that are greater than 2GB
Key: ORC-435
URL: https://issues.apache.org/jira/browse/ORC-435
Project: ORC
Issue Type: Bug
Components: Reader
Affects Versions: 1.5.3, 1.4.4, 1.3.4, 1.6.0
Reporter: Prasanth Jayachandran
Fix For: 1.5.4, 1.6.0
ORC reader fails with NegativeArraySizeException if the stripe size is >2GB.
Even though default stripe size is 64MB there are cases where stripe size will
reach >2GB even before memory manager can kick in to check memory size. Say if
we are inserting 500KB strings (mostly unique) by the time we reach 5000 rows
stripe size is already over 2GB. Reader will have to chunk the disk range reads
for such cases instead of reading the stripe as whole blob.
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