Rajesh Balamohan created HIVE-24710:
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Summary: PTFRowContainer could be reading more number of blocks
than needed
Key: HIVE-24710
URL: https://issues.apache.org/jira/browse/HIVE-24710
Project: Hive
Issue Type: Improvement
Components: HiveServer2
Reporter: Rajesh Balamohan
PTFRowContainer could be reading the same block repeatedly for the first block.
Default block size is around 25000. For the first 25000 rowIdx, it would read
the block repeatedly due to ("rowIdx < currentReadBlockStartRow ") condition.
{noformat}
public Row getAt(int rowIdx) throws HiveException {
int blockSize = getBlockSize();
if ( rowIdx < currentReadBlockStartRow || rowIdx >=
currentReadBlockStartRow + blockSize ) {
readBlock(getBlockNum(rowIdx));
}
return getReadBlockRow(rowIdx - currentReadBlockStartRow);
}
{noformat}
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