On 9 February 2016 at 11:04, Sharma Podila <[email protected]> wrote:
> We had a few mesos agents stuck in an unrecoverable state after a > transient ZK init error. Is this a known problem? I wasn't able to find an > existing jira item for this. We are on 0.24.1 at this time. > > Most agents were fine, except a handful. These handful of agents had their > mesos-slave process constantly restarting. The .INFO logfile had the > following contents below, before the process exited, with no error > messages. The restarts were happening constantly due to an existing service > keep alive strategy. > > To fix it, we manually stopped the service, removed the data in the > working dir, and then restarted it. The mesos-slave process was able to > restart then. The manual intervention needed to resolve it is problematic. > > Here's the contents of the various log files on the agent: > > The .INFO logfile for one of the restarts before mesos-slave process > exited with no other error messages: > > Log file created at: 2016/02/09 02:12:48 > Running on machine: titusagent-main-i-7697a9c5 > Log line format: [IWEF]mmdd hh:mm:ss.uuuuuu threadid file:line] msg > I0209 02:12:48.502403 97255 logging.cpp:172] INFO level logging started! > I0209 02:12:48.502938 97255 main.cpp:185] Build: 2015-09-30 16:12:07 by > builds > I0209 02:12:48.502974 97255 main.cpp:187] Version: 0.24.1 > I0209 02:12:48.503288 97255 containerizer.cpp:143] Using isolation: > posix/cpu,posix/mem,filesystem/posix > I0209 02:12:48.507961 97255 main.cpp:272] Starting Mesos slave > I0209 02:12:48.509827 97296 slave.cpp:190] Slave started on 1)@ > 10.138.146.230:7101 > I0209 02:12:48.510074 97296 slave.cpp:191] Flags at startup: > --appc_store_dir="/tmp/mesos/store/appc" > --attributes="region:us-east-1;<snip>" --authenticatee="<snip>" > --cgroups_cpu_enable_pids_and_tids_count="false" > --cgroups_enable_cfs="false" --cgroups_hierarchy="/sys/fs/cgroup" > --cgroups_limit_swap="false" --cgroups_root="mesos" > --container_disk_watch_interval="15secs" --containerizers="mesos" <snip>" > I0209 02:12:48.511706 97296 slave.cpp:354] Slave resources: > ports(*):[7150-7200]; mem(*):240135; cpus(*):32; disk(*):586104 > I0209 02:12:48.512320 97296 slave.cpp:384] Slave hostname: <snip> > I0209 02:12:48.512368 97296 slave.cpp:389] Slave checkpoint: true > I0209 02:12:48.516139 97299 group.cpp:331] Group process (group(1)@ > 10.138.146.230:7101) connected to ZooKeeper > I0209 02:12:48.516216 97299 group.cpp:805] Syncing group operations: queue > size (joins, cancels, datas) = (0, 0, 0) > I0209 02:12:48.516253 97299 group.cpp:403] Trying to create path > '/titus/main/mesos' in ZooKeeper > I0209 02:12:48.520268 97275 detector.cpp:156] Detected a new leader: > (id='209') > I0209 02:12:48.520803 97284 group.cpp:674] Trying to get > '/titus/main/mesos/json.info_0000000209' in ZooKeeper > I0209 02:12:48.520874 97278 state.cpp:54] Recovering state from > '/mnt/data/mesos/meta' > I0209 02:12:48.520961 97278 state.cpp:690] Failed to find resources file > '/mnt/data/mesos/meta/resources/resources.info' > I0209 02:12:48.523680 97283 detector.cpp:481] A new leading master (UPID= > [email protected]:7103) is detected > > > The .FATAL log file when the original transient ZK error occurred: > > Log file created at: 2016/02/05 17:21:37 > Running on machine: titusagent-main-i-7697a9c5 > Log line format: [IWEF]mmdd hh:mm:ss.uuuuuu threadid file:line] msg > F0205 17:21:37.395644 53841 zookeeper.cpp:110] Failed to create ZooKeeper, > zookeeper_init: No such file or directory [2] > > > The .ERROR log file: > > Log file created at: 2016/02/05 17:21:37 > Running on machine: titusagent-main-i-7697a9c5 > Log line format: [IWEF]mmdd hh:mm:ss.uuuuuu threadid file:line] msg > F0205 17:21:37.395644 53841 zookeeper.cpp:110] Failed to create ZooKeeper, > zookeeper_init: No such file or directory [2] > > The .WARNING file had the same content. > Maybe related: https://issues.apache.org/jira/browse/MESOS-1326 -rgs
