Thanks Patrick, that helped! Best Regards, Deepak
On Thu, May 17, 2012 at 3:23 PM, Patrick Hunt <[email protected]> wrote: > The deadline exceeded messages are generated by select - the client > will select(timeout). If the requested timeout is exceeded by more > than 10ms then that message is printed. Often this will happen in a > virtualized client environment (not the case here from what you are > saying), or an overloaded OS, etc... > > You are running 12 client processes, where the client code expects a > 10second session timeout (so heartbeat responses w/in 3.3 seconds) > along three vms running three servers all on the same laptop, it's > likely that you are overloaded. > > Patrick > > On Thu, May 17, 2012 at 11:36 AM, Deepak Jagtap <[email protected]> > wrote: > > Hi, > > > > Thanks for quick reply! > > I am seeing sequence of "exceeded deadline" message then connection > timed > > out error messages. > > My code has some usleep() calls, when a sequence of zoo_get and zoo_set > > returns ZBADVERSION error due to race condition, > > it invokes usleep() for random time(between 5ms to 100ms) and then retry > > the same operation. Does this may be cause any issues? > > > > Please find following log dump: > > > > 2012-05-17 11:10:12,910:6709(0x7f12d52d2700):ZOO_WARN@zookeeper_interest > @1557: > > Exceeded deadline by 14ms > > 2012-05-17 11:10:13,200:6709(0x7f12d52d2700):ZOO_WARN@zookeeper_interest > @1557: > > Exceeded deadline by 11ms > > . > > . > > 2012-05-17 11:10:13,270:6709(0x7f12d52d2700):ZOO_WARN@zookeeper_interest > @1557: > > Exceeded deadline by 11ms > > 2012-05-17 11:10:13,745:6709(0x7f12d52d2700):ZOO_WARN@zookeeper_interest > @1557: > > Exceeded deadline by 11ms > > 2012-05-17 > > 11:10:14,164:6709(0x7f12d52d2700):ZOO_ERROR@handle_socket_error_msg > @1644: > > Socket [192.168.1.236:2181] zk retcode=-7, errno=110(Connection timed > out): > > connection timed out (exceeded timeout by 0ms) > > operation timeout > > operation timeout > > 2012-05-17 11:10:14,164:6709(0x7f12d52d2700):ZOO_INFO@check_events@1701: > > initiated connection to server [192.168.1.234:2181] > > > > > > Thanks & Regards, > > Deepak > > > > On Wed, May 16, 2012 at 6:30 PM, 李赫元 <[email protected]> wrote: > > > >> Hello, > >> > >> Did you get the "ZOO_SESSION_EVENT" with "ZOO_EXPIRED_SESSION_STATE" > >> on watch callback event or just simply debug information print on > >> screen showing "Exceeded deadline by 16ms"? > >> > >> Thanks. > >> > >> > >> 2012/5/17 Deepak Jagtap <[email protected]>: > >> > Hi All, > >> > > >> > I am using Zookeeper 3.4.3 sever and my setup is as follows: > >> > > >> > I have a Quorum of 3 Zookeepers servers (installed on 3 virtual > machines) > >> > on my laptop. > >> > Then I start 12 Zookeeper client processes on the same machine which > >> start > >> > updates on Zookeeper database. > >> > After running test for a while, sometimes some of the client process > got > >> > disconnected from Zookeeper sever with following error: > >> > *Exceeded deadline by 16ms* and then says session timeout. > >> > Client connects with timeout value of 10000ms. > >> > > >> > Zookeeper server configuration is as follows: > >> > tickTime=2000 > >> > initLimit=10 > >> > syncLimit=5 > >> > dataDir=/tmp/zookeeper > >> > clientPort=2181 > >> > server.1=192.168.1.234:2888:3888 > >> > server.2=192.168.1.235:2888:3888 > >> > server.3=192.168.1.236:2888:3888 > >> > > >> > Does anybody facing similar problem? Please let me know if there > anythin > >> > wrong wit configuration. > >> > > >> > Thanks & Regards, > >> > Deepak > >> >
