Hi, We have a cluster of 5 nodes, which are continuously being queried for new data through solr. We have been having some issues with riak/solr which seems to be happening after longer periods of operation. It starts off with one node and it seems to be happening on all node after a while.
We tried upgrading to the latest version of riak hoping that it would solve the issue, but no luck. Only thing that stops the crashes is a full cluster staggered restart. Please find the logs below. Any help would be much appreciated. Riak Logs: 2017-01-26T07:53:03.262Z hawk5| ** Last message in was tick 2017-01-26T07:53:10.197Z hawk5| 2017-01-26T07:53:10.197Z hawk5| 2017-01-26 07:53:08.183 [error] emulator Error in process <0.22701.73> on node 'r...@hawk5.streethawk.com' with exit value: {{badmatch,{error,system_limit}},[{cpu_sup,g et_uint32_measurement,2,[{file,"cpu_sup.erl"},{line,223}]},{cpu_sup,measurement_server_loop,1,[{file,"cpu_sup.erl"},{line,585}]}]} 2017-01-26T07:53:10.263Z hawk5| Error in process <0.22701.73> on node ' r...@hawk5.streethawk.com' with exit value: {{badmatch,{error,system_limit}},[{cpu_sup,get_uint32_measurement,2,[{file,"cpu_sup.e rl"},{line,223}]},{cpu_sup,measurement_server_loop,1,[{file,"cpu_sup.erl"},{line,585}]}]} 2017-01-26T07:53:10.263Z hawk5| 2017-01-26 07:53:08 =ERROR REPORT==== 2017-01-26T07:53:17.198Z hawk5| 2017-01-26T07:53:17.208Z hawk5| 2017-01-26 07:53:13.472 [error] emulator Error in process <0.12549.73> on node 'r...@hawk5.streethawk.com' with exit value: {{badmatch,{error,system_limit}},[{cpu_sup,g et_uint32_measurement,2,[{file,"cpu_sup.erl"},{line,223}]},{cpu_sup,measurement_server_loop,1,[{file,"cpu_sup.erl"},{line,585}]}]} 2017-01-26T07:53:17.263Z hawk5| Error in process <0.12549.73> on node ' r...@hawk5.streethawk.com' with exit value: {{badmatch,{error,system_limit}},[{cpu_sup,get_uint32_measurement,2,[{file,"cpu_sup.e rl"},{line,223}]},{cpu_sup,measurement_server_loop,1,[{file,"cpu_sup.erl"},{line,585}]}]} 2017-01-26T07:53:17.263Z hawk5| 2017-01-26 07:53:13 =ERROR REPORT==== 2017-01-26T07:53:18.198Z hawk5| 2017-01-26 07:53:17.861 [error] emulator Error in process <0.2254.73> on node 'r...@hawk5.streethawk.com' with exit value: {{badmatch,{error,system_limit}},[{cpu_sup,g$ t_uint32_measurement,2,[{file,"cpu_sup.erl"},{line,223}]},{cpu_sup,measurement_server_loop,1,[{file,"cpu_sup.erl"},{line,585}]}]} 2017-01-26T07:53:18.208Z hawk5| 2017-01-26T07:53:18.208Z hawk5| 2017-01-26 07:53:17.861 [error] emulator Error in process <0.2254.73> on node 'r...@hawk5.streethawk.com' with exit value: {{badmatch,{error,system_limit}},[{cpu_sup,g$ t_uint32_measurement,2,[{file,"cpu_sup.erl"},{line,223}]},{cpu_sup,measurement_server_loop,1,[{file,"cpu_sup.erl"},{line,585}]}]} 2017-01-26T07:53:18.264Z hawk5| Python client traces: 2017-01-26T10:20:44.517Z hawk5| File "/usr/local/lib/python2.7/dist-packages/riak/client/transport.py", line 179, in wrapper 2017-01-26T10:20:44.517Z hawk5| return self._client.fulltext_search(search_index, query, **params) 2017-01-26T10:20:44.517Z hawk5| File "/usr/local/lib/python2.7/dist-packages/riak/bucket.py", line 476, in search 2017-01-26T10:20:44.517Z hawk5| raise e.args[0] 2017-01-26T10:20:44.517Z hawk5| File "/usr/local/lib/python2.7/dist-packages/riak/client/transport.py", line 134, in _with_retries 2017-01-26T10:20:44.517Z hawk5| return self._with_retries(pool, thunk) 2017-01-26T10:20:44.543Z hawk5| RiakError: 'recv_into returned zero bytes unexpectedly' Regards Steven Joseph CTO, StreetHawk Pty Ltd
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