cuijianwei created HBASE-12930:
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Summary: Check single row size not exceed configured max row size
across families for Get/Scan
Key: HBASE-12930
URL: https://issues.apache.org/jira/browse/HBASE-12930
Project: HBase
Issue Type: Improvement
Components: Scanners
Reporter: cuijianwei
Priority: Minor
Fix For: 0.99.2
StoreScanner#next will check the 'totalBytesRead' not exceed configured
‘hbase.table.max.rowsize’ for each family. However, if there are several
families, the single row will also achieve unexpected big size even if
'totalBytesRead' of each family not exceed 'hbase.table.max.rowsize'. This may
cause the region server fail because of OOM. What about checking single row
size across families in StoreScanner#next(List<Cell>, int)?
{code}
long totalBytesRead = 0;
// ==> compute the size of cells have been read
for (Cell cell : outResult) {
totalBytesRead += CellUtil.estimatedSerializedSizeOf(old);
}
LOOP: while((cell = this.heap.peek()) != null) {
...
{code}
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