Re: Multi-backend, eLevelDB, & Too many open files

2013-09-09 Thread Matt Black
Hi Luke, Thanks for the response. I played around with the various config options - and in the end I had to include the /etc/defaults/riak file, as well as the /etc/security/limits.conf config in order to get Riak to stay up. That must be relatively new - our existing v1.4.0 cluster is operating

Re: Multi-backend, eLevelDB, & Too many open files

2013-09-09 Thread Luke Bakken
Hi Matt - Can you attach to a node in your cluster with "riak attach" and run this erlang snippet (before the node errors out)? os:cmd("ulimit -n"). This will show the actual value for ulimit for that running riak node. I suspect that this value hasn't been updated for the running process, even

Multi-backend, eLevelDB, & Too many open files

2013-09-08 Thread Matt Black
Hey list, We're migrating from our currently operational cluster to a new one in a different EC2 region. As part of this migration, we'd like to move from Bitcask to eLevelDB - mostly for the benefits provided by secondary indexes. We also use Multi-backend configuration, in order to split our va