Hi, Thanks for the answer.
Regards, Prabhjot On Mon, Oct 5, 2015 at 9:52 PM, Edward Ribeiro <[email protected]> wrote: > Hi, > > By avoiding to put the *transaction log dir* on a busy device, competing > for disk I/O with the snapshot data and other systems (e.g, HDFS or HBase). > The transaction log is critical to ZK performance because ZK syncs the > transactions on disk before returning a response, according to > http://zookeeper.apache.org/doc/r3.1.2/zookeeperAdmin.html. So, a fast > disk > is recommended, even if not that large. This principle of putting > commit/transaction logs on dedicated devices is highly recommended by other > big data systems like Cassandra, for example. > > Regards, > Ed > > > On Mon, Oct 5, 2015 at 10:45 AM, Prabhjot Bharaj <[email protected]> > wrote: > > > Hi, > > > > > > I was going through the 'Other Optimizations' section in this link: > > > > > https://zookeeper.apache.org/doc/r3.4.6/zookeeperStarted.html#Other+Optimizations > > I would like to understand the relevance of 'dataLogDir' > > > > > > How does having a different value of dataLogDir improve the performance > ?? > > > > Regards, > > Prabhjot > > > -- --------------------------------------------------------- "There are only 10 types of people in the world: Those who understand binary, and those who don't"
