I want to record the data change from the source table. Thanks for your apply.
On Sat, Sep 1, 2012 at 1:01 AM, lars hofhansl <[EMAIL PROTECTED]> wrote: > Yes (in 0.94.2+). But it would be quite tricky. > You'd have to hook into the compaction. There's a new hook now in RegionObserver (preCompactionScannerOpen, and preFlushScannerOpen). > See HBASE-6427. > > These two hooks are passed the scanners that provide the set of KVs to be compacted. You could wrap that scanner in your own. > The details will be tricky, though. > > What is your usecase for this? > > -- Lars > > > > ________________________________ > From: yonghu <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > Sent: Friday, August 31, 2012 1:13 PM > Subject: Can I use coprocessor to record the deleted data caused by ttl? > > Dear All, > > I wonder if I can use coprocessor to record the deleted data caused by > ttl. Any ideas? > > regards! > > Yong
yonghu 2012-09-01, 13:14
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