On Feb 9, 2012, at 12:05 AM, Todd Lipcon wrote: > I just committed HDFS-2923 to branch-0.23. This bug can cause big > performance issues on the NN since the number of IPC handlers will > default way too low and won't be changed with the expected config. > > Since there's a workaround, it's not a regression since 0.23.0, and > 0.23.1 is still going to be labeled alpha/beta, it's up to you whether > you want to spin an rc1 on account of just this bug. If there are > other issues, though, definitely worth including this in rc1. >
Thanks for the heads up Todd. I agree, HDFS-2923 seems like a good reason to do an rc1... Arun > -Todd > > On Wed, Feb 8, 2012 at 1:33 AM, Arun C Murthy <[email protected]> wrote: >> I've created a release candidate for hadoop-0.23.1 that I would like to >> release. >> >> It is available at: http://people.apache.org/~acmurthy/hadoop-0.23.1-rc0/ >> >> Some highlights: >> # Since hadoop-0.23.0 in November there has been significant progress in >> branch-0.23 with nearly 400 jiras committed to it (68 in Common, 78 in HDFS >> and 242 in MapReduce). >> # An important aspect is that we've done a lot of performance related work >> and hadoop-0.23.1 matches or exceeds performance of hadoop-1 in pretty much >> every aspect of HDFS & MapReduce. >> # Also, several downstream projects (HBase, Pig, Oozie, Hive etc.) seem to >> be playing nicely with hadoop-0.23.1. >> >> Please try the release and vote; the vote will run for the usual 7 days. >> >> thanks, >> Arun >> >> -- >> Arun C. Murthy >> Hortonworks Inc. >> http://hortonworks.com/ >> >> > > > > -- > Todd Lipcon > Software Engineer, Cloudera -- Arun C. Murthy Hortonworks Inc. http://hortonworks.com/
