That patch was never committed to the Hadoop code base, (I believe it got derailed by TFile). Until the code is in Hadoop, we cannot remove it from HBase.
--- Jim Kellerman, Powerset (Live Search, Microsoft Corporation) > -----Original Message----- > From: Bruce Williams [mailto:[EMAIL PROTECTED] > Sent: Tuesday, December 02, 2008 4:02 AM > To: [email protected] > Subject: Re: Bloom filters > > On Mon, Dec 1, 2008 at 12:36 PM, stack <[EMAIL PROTECTED]> wrote: > > Bruce Williams wrote: > >> > >> My understanding, which may be faulty, is the option works until a > >> column is modified and then it fails in a difficult-to-fix manner. The > >> jira hints that the issue could impact how clients, such as ZooKeeper, > >> function as well as HBase. > >> > > > > HBase shouldn't NPE. If bloomfilters are enabled on a table where > before > > there were none, the table should just evolve gracefully adding the > filters > > as it runs (Same should happen when they are disabled; any filters > should be > > gradually disposed-of). > > > >> I will continue to dig, but coming up to speed on the HBase > >> implementation will take my time short term, can someone comment on > >> the "client issues"? > >> > > > > Keep asking questions if it'll maximize the time you have for hbase. > > > > Please expand on what you mean by 'client' issues in the above. > > > > Thanks, > > St.Ack > > > > Thanks, St. Ack > > Bloom Filter Code has been moved from HBase to Hadoop Core? > > https://issues.apache.org/jira/browse/HADOOP-3063 > > Updated patch. This patch imports the Bloom filter classes into > org.apache.hadoop.util.bloom, and adds a notice to LICENSE.txt. > [ Show > ] > Andrzej Bialecki - 29/Mar/08 02:50 PM Updated patch. This patch > imports the Bloom filter classes into org.apache.hadoop.util.bloom, > and adds a notice to LICENSE.txt. > > Doug Cutting and Owen O'Malley think we should remove the code from > HBase and use the Hadoop code. > > We have https://issues.apache.org/jira/browse/HBASE-553 to remove the > code from HBase. > > Comment? > > > Bruce > > -- > > "Discovering...discovering...we will never cease discovering... > and the end of all our discovering will be > to return to the place where we began > and to know it for the first time." > -T.S. Eliot
