SND/RECEIVE buffer sizes (TCP/IP) must be increased from default 8KB for WAN communications. That is TCP/IP feature
Google "TCP/IP send receive buffer size for WAN" -Vlad On Thu, Jun 29, 2017 at 11:27 AM, Steve Howard <[email protected]> wrote: > 2 seconds for 100 puts that aggregate 50mb is 20 milliseconds per put. Out > of curiosity, how are you measuring the time taken for both HBase and the > network latency? How many sessions are doing the PUT's? How far away is > the other DC? Are the HBase connections persistent, or are you doing the > full connection setup for each PUT? > > What do you see if you write a simple socket server in the other DC and > send it a 500kb payload (no HBase) in a loop of 100? > > On Thu, Jun 29, 2017 at 1:30 PM, Sreeram <[email protected]> wrote: > > > Hi, > > > > I am facing very slow write speed when I write to a HBase cluster in > > a different data center. The network round trip takes 1 ms. Average > > time taken for 100 PUTs (each 500KB) takes over 2 seconds. Any network > > or OS parameter that I need to check ? > > > > Will appreciate any inputs from the community on this. > > > > Thanks, > > Sreeram > > >
