Ok, Andrzej Bialecki is finishing the patch in the next few days, including the moving MurmurHash code to Hadoop.
https://issues.apache.org/jira/browse/HADOOP-3063 Are there any "TFile" issues he should be aware of? :-) Bruce On Tue, Dec 2, 2008 at 2:35 PM, Bruce Williams <[EMAIL PROTECTED]> wrote: > Jim, > > Could you comment on "derailed by TFile"? > > Thanks, > > Bruce > > On Tue, Dec 2, 2008 at 8:20 AM, Jim Kellerman (POWERSET) > <[EMAIL PROTECTED]> wrote: >> 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 >> >> > > > > -- > > "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 > -- "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
