/me apologizes, I just learned that Masatake's answers ended up in my gmail spam folder :(
Going to answer those thanks :) On Fri, Jul 2, 2021 at 7:59 AM Luca Toscano <[email protected]> wrote: > > Ping on this, I'd be curious to know people's opinion and experiences > (it is also fine to not answer of course :) > > Lica > > On Sat, Jun 12, 2021 at 7:40 PM Roman Shaposhnik <[email protected]> wrote: > > > > On Fri, Jun 11, 2021 at 9:53 AM Luca Toscano <[email protected]> wrote: > > > > > Hi everybody, > > > > > > > > > https://engineering.linkedin.com/blog/2021/the-exabyte-club--linkedin-s-journey-of-scaling-the-hadoop-distr > > > is a nice blog post reading. There are some interesting follow ups in > > > my opinion: > > > > > > - Fair vs Non-Fair locking for the HDFS Namenode. IIUC this seems to > > > be a code change rather than a jvm setting tunable, but I am wondering > > > if others have experience with different locking mechanisms in > > > production for HDFS. > > > - Observer HDFS Namenode. IIUC this was introduced in Hadoop 2.10, it > > > would be nice if we could offer it via puppet for the docker > > > provisioner (if we don't already do it, I didn't find it). Having a > > > separate Namenode to handle read requests could be interesting for > > > busy clusters. Has anybody already deployed it? > > > > > > > Very interesting indeed! Thanks for sharing. > > > > Thanks, > > Roman.
