Pavel, Out of curiosity, did it start to happen before some update? Which version of Cassandra are you using?
[]s 2014-06-19 16:10 GMT-03:00 Pavel Kogan <pavel.ko...@cortica.com>: > What a coincidence! Today happened in my cluster of 7 nodes as well. > > Regards, > Pavel > > > On Wed, Jun 18, 2014 at 11:13 AM, Marcelo Elias Del Valle < > marc...@s1mbi0se.com.br> wrote: > >> I have a 10 node cluster with cassandra 2.0.8. >> >> I am taking this exceptions in the log when I run my code. What my code >> does is just reading data from a CF and in some cases it writes new data. >> >> WARN [Native-Transport-Requests:553] 2014-06-18 11:04:51,391 >> BatchStatement.java (line 228) Batch of prepared statements for >> [identification1.entity, identification1.entity_lookup] is of size 6165, >> exceeding specified threshold of 5120 by 1045. >> WARN [Native-Transport-Requests:583] 2014-06-18 11:05:01,152 >> BatchStatement.java (line 228) Batch of prepared statements for >> [identification1.entity, identification1.entity_lookup] is of size 21266, >> exceeding specified threshold of 5120 by 16146. >> WARN [Native-Transport-Requests:581] 2014-06-18 11:05:20,229 >> BatchStatement.java (line 228) Batch of prepared statements for >> [identification1.entity, identification1.entity_lookup] is of size 22978, >> exceeding specified threshold of 5120 by 17858. >> INFO [MemoryMeter:1] 2014-06-18 11:05:32,682 Memtable.java (line 481) >> CFS(Keyspace='OpsCenter', ColumnFamily='rollups300') liveRatio is >> 14.249755859375 (just-counted was 9.85302734375). calculation took 3ms for >> 1024 cells >> >> After some time, one node of the cluster goes down. Then it goes back >> after some seconds and another node goes down. It keeps happening and there >> is always a node down in the cluster, when it goes back another one falls. >> >> The only exceptions I see in the log is "connected reset by the peer", >> which seems to be relative to gossip protocol, when a node goes down. >> >> Any hint of what could I do to investigate this problem further? >> >> Best regards, >> Marcelo Valle. >> > >
