That's my github but I don't regularly push there -- so it's a bit out of date. Working from the apache svn is probably the best bet
Todd On Sunday, December 25, 2011, Andrey Stepachev <[email protected]> wrote: > Thanks! > > 25 декабря 2011 г. 3:13 пользователь Ted Yu <[email protected]> написал: > >> Andrey: >> A quick search led me to https://github.com/toddlipcon where you would be >> able to find: >> https://github.com/toddlipcon/hadoop-common >> >> Cheers >> >> On Sat, Dec 24, 2011 at 12:39 PM, Andrey Stepachev <[email protected]> >> wrote: >> >> > 23 декабря 2011 г. 22:48 пользователь Todd Lipcon <[email protected] >> > >написал: >> > >> > > On Tue, Dec 20, 2011 at 12:56 AM, Andrey Stepachev <[email protected]> >> > > wrote: >> > > > I see, that most issues addressed to HA branch. >> > > > What version this branch is applied to? 0.22 or >> > > > i should build hadoop from sources? >> > > >> > > It's currently only available in the HDFS-1623 branch, which is in >> > > active development and definitely shouldn't be used unless you plan to >> > > help us finish debugging it :) There are still some known bugs and >> > > deficiencies to address before we merge. >> > > >> > >> > Looks like this is one of possible scenarios :). We need >> > some solution for HA, but no one (except MapR) still exists. >> > So we must use MapR (costs, closed) or debug some >> > not-ready-yet solution. >> > >> > >> > > >> > > The plan is to merge it into 0.23 but not 0.22 - it will hopefully be >> > > merged in January. We'll also make it available in CDH4 beta releases >> > > early next year. >> > > >> > >> > Sounds good. But still can't find such branch in cloudera (or any other) >> > github >> > repositories. >> > Is it publicly available right now, or it in some private repository? >> > >> > >> > > >> > > -Todd >> > > >> > > > >> > > > 20 декабря 2011 г. 11:46 пользователь Todd Lipcon < [email protected] >> > > >написал: >> > > > >> > > >> Hi Andrey, >> > > >> >> > > >> I don't think anyone has ever run Ceph in a production use case, >> much >> > > >> less run it in a production use case with HBase. >> > > >> >> > > >> The SPOF problem is currently being addressed and will be available >> > > >> for production use by the middle of next calendar year. It will be >> > > >> available for preview/beta usage in Q1 (it's already working in >> > > >> development setups - feel free to follow HDFS-1623 for details) >> > > >> >> > > >> I think you're way better off waiting for the HA NameNode support in >> > > >> HDFS than going with an unproven FS like Ceph. Ceph certainly has >> > > >> promise and is a nice design, but it hasn't had the years of >> pounding >> > > >> that HDFS has. >> > > >> >> > > >> -Todd >> > > >> >> > > >> On Mon, Dec 19, 2011 at 10:23 PM, Andrey Stepachev < >> [email protected]> >> > > >> wrote: >> > > >> > Hi all. >> > > >> > >> > > >> > I have requirements to use hbase in several datacenters. >> > > >> > But HDFS has as SPOF, so we can't use it. >> > > >> > I plan to use ceph as the file system for hbase. >> > > >> > >> > > >> > In general, interested in issues of: >> > > >> > a) use the hadoop + сeph in the production environment >> > > >> > b) using hbase + ceph in the production environment >> > > >> > >> > > >> > In particular: >> > > >> > Ceph Wiki states that the integration of hadoop/ceph has the >> problem >> > > in >> > > >> the >> > > >> > form of modification dates of the files. >> > > >> > Does hbase uses modification times f-- > Андрей. > -- Todd Lipcon Software Engineer, Cloudera
