> 1.When I restart the node, will gossip/thrift stay off ??? No. If you change it via node tool it will restart at start up. In pre 1.2 add these jvm startup params
-Dcassandra.join_ring=false -Dcassandra.start_rpc=false > 2.Hmmmm, is there any way to run upgradesstables when cassandra is not > running AND crank up the memory of nodetool to 8G or does nodetool always > just tell cassandra to do it???? Start without gossip and thrift as above. Or monkey the iptables to block 9160 and 7000 > I feel like I have a chicken and egg problem here. Buck buck buckerk :) > I want to clean up this bloomfilter which requires upgradesstables(from what > I read), but I need the bloomfilter to not be there so I am not bottlenecked > by the memory. Remove all saved caches, start with rpc and gossip disable above, and a 12GB heap, disable compaction throttling, then run upgrade tables. Hope that helps, buck buck. ----------------- Aaron Morton Freelance Cassandra Developer New Zealand @aaronmorton http://www.thelastpickle.com On 23/02/2013, at 9:56 AM, "Hiller, Dean" <dean.hil...@nrel.gov> wrote: > So, it turns out we don't have enough I/o going on for our upgradesstables > but it is really hitting the upper bounds of memory(8G) and our cpu is pretty > low as well. > > At any rate, we are trying to remove a 2 gig bloomfilter on a columnfamily. > Can we do the following > > 1. Disable thrift/gossip (per previous emails) > 2. Restart the node? (any way to restart it without reading in that > bloomfilter to lesson the memory……should I temporarily turn up the node > without the key cache maybe) > 3. Run nodetool upgradesstables databus5 nreldata; > > 1.When I restart the node, will gossip/thrift stay off ??? Or do I change the > seeds, change 9160 to xxxx and I don't see where I can change 7199 to > something? (how to do this safely). > 2.Hmmmm, is there any way to run upgradesstables when cassandra is not > running AND crank up the memory of nodetool to 8G or does nodetool always > just tell cassandra to do it???? > > I feel like I have a chicken and egg problem here. I want to clean up this > bloomfilter which requires upgradesstables(from what I read), but I need the > bloomfilter to not be there so I am not bottlenecked by the memory. At this > rate, I will have to do each node each day for 6 days before I can recover > (and I would prefer to speed it up just a little). > > Thanks, > Dean
