<property> <name>*dfs.client.read.shortcircuit*</name> <value>true</value> <description>set this to true to enable DFSClient short circuit read</description> </property>
<property> <name>*dfs.block.local-path-access.user*</name> <value>hadoop</value> <description>add users that need perform short circuit read here,datanode will do security check before the read</description> </property> On Fri, Jan 6, 2012 at 2:25 PM, Yves Langisch <[email protected]> wrote: > How can you enable the mentioned local-read-optimization for hadoop-1.0.0? > I could not find any related information. > > - > Yves > > On Jan 6, 2012, at 6:24 AM, Arun C Murthy wrote: > > > I know we've done integration testing with hadoop-1.0.0 and hbase-0.90.4 > and things work well, not sure about hbase-0.90.5 (I don't imagine there > are issues, but ymmv). > > > > In fact, you get a nice perf boost with hadoop-1.0.0 for hbase if you > enable the local-read-optimization. > > > > Arun > > > > On Jan 4, 2012, at 10:19 PM, praveenesh kumar wrote: > > > >> Don't know about Hadoop 1.0.0 but Hadoop 0.20.205 and Hadoop 0.90.5 are > >> playing with each other very fine. > >> > >> Thanks, > >> Praveenesh > >> > >> On Thu, Jan 5, 2012 at 11:36 AM, Weihua JIANG <[email protected] > >wrote: > >> > >>> Hi all, > >>> > >>> Hadoop 1.0.0 and HBase 0.90.5 are released. I am curious whether hadoop > >>> 1.0.0 is compatible with HBase 0.90.5. And whether this combination is > the > >>> best choice for production cluster now? > >>> > >>> Thanks > >>> Weihua > >>> > > > >
