It's all in the "pretty much" :-) Should we make it the default (i.e. recommending it in the doc, emitting a warning if it's not set) for all installation ? Or would it make sense to separate the store and wal cases, meaning that we need a change in hdfs to make this possible?
On Thu, Sep 13, 2012 at 6:30 PM, Jean-Daniel Cryans <[email protected]>wrote: > On Thu, Sep 13, 2012 at 7:58 AM, n keywal <[email protected]> wrote: > > Hi, > > > > Is there any known counter indication for read short circuit? > > I had a look at JD's presentation from January. It was tested vs. HBase > as > > a whole; and still recommended for nearly all cases. > > Pretty much. > > > > > We could make it at least the default when reading HLog files (even if it > > seems it's a 'per client" config, there is may be something to look at as > > well)? > > You have to add 2 configs in hdfs-site.xml, which we can't do from HBase. > > J-D >
