[jira] [Created] (HBASE-14766) WALEntryFilter's filter implement, cell.getFamily() needs to be replaced with the new low-cost implementation.

[huaxiang sun (JIRA)]

huaxiang sun created HBASE-14766:
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             Summary: WALEntryFilter's filter implement, cell.getFamily() needs 
to be replaced with the new low-cost implementation.
                 Key: HBASE-14766
                 URL: https://issues.apache.org/jira/browse/HBASE-14766
             Project: HBase
          Issue Type: Improvement
            Reporter: huaxiang sun


Cell's getFamily() gets an array copy of the cell's family, while in the filter 
function,  it just needs to peek into the family and do a compare. 

Replace 

Bytes.toString(cell.getFamily())

with 

Bytes.toString(cell.getFamilyArray(), cell.getFamilyOffset(), 
cell.getFamilyLength())



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