At client side see ScannerCallable where this is passed to ServerCallable.. Based on this only which regions should be 1st scanned is decided.. I think some time back also the prefix filter was discussed. At that time also the conclusion was to use the start row. U can set a start row now right? Pls check the perf with this once.
-Anoop- On Thu, May 16, 2013 at 12:02 AM, Varun Sharma <[email protected]> wrote: > Hi, > > Could someone please point me to where Scan.startRow is being used ? > > From what I can see in HRegion.RegionScannerImpl, it is unused. A grep does > not seem to return any valid entries. But my knowledge of this part is > limited. > > We are debugging poor performance on prefix scans in tall schemas. If this > is really an issue, I will open a JIRA... > > Varun >
