Re: Storing (python) objects

2011-09-22 Thread Alexis -Quôc
n > "carpe diem quam minimum credula postero" > For data accessed through a single path, I use the same trick: pickle, bz2 and insert. -- Alexis Lê-Quôc | Datadog, Inc. | @alq

Re: weird behavior with RAID 0 on EC2

2013-03-31 Thread Alexis -Quôc
Alain, Can you post your mdadm --detail /dev/md0 output here as well as your iostat -x -d when that happens. A bad ephemeral drive on EC2 is not unheard of. Alexis | @alq | http://datadog.com P.S. also, disk utilization is not a reliable metric, iostat's await and svctm are more useful imho. O

Ghost node showing up in the ring

2011-03-22 Thread Alexis -Quôc
5117307932921825928971026432 1.2.3.193 Up Normal 53.73 GB50.00% 127605887595351923798765477786913079296 1.2.3.252 Up Normal 43.11 GB12.52% 148904621249875869977532879268261763219 -- Alexis Lê-Quôc

Re: Ghost node showing up in the ring

2011-03-23 Thread Alexis -Quôc
Could this be caused by old hinted handoffs for 2.3.4.193 that were processed at that time, causing the rest of the nodes to think that the 2.3.4.193 is still present (albeit down)? Should cleanup be run periodically? I run repair every few days (my gcgraceperiod is 10 days). -- Alexis Lê-Q

Gossip mysteries (0.7.4 on EC2)

2011-03-28 Thread Alexis -Quôc
nderstand given that nodetool ring on Node 1 yields: ... Node2 Up Normal 52.04 GB 51.03% token1 and the same command on Node 2 yields: ... Node1 Up Normal 50.89 GB 23.97% token2 Any light shed on both issues is appreciated. -- Alexis Lê-Quôc (@datadoghq)

Re: Cassandra 0.7.4 Bug?

2011-04-22 Thread Alexis -Quôc
l -host > 192.168.0.5 ring > Address Status State   Load    Owns > Token > > 127605887595351923798765477786913079296 > 192.168.0.253   Up Normal  171.17 MB   25.00% > 0 > 192.168.0.4 ?  Normal  212.11 MB   54.39% > 92535295865117307932921825928971026432 > 192.168.0.

0.7.4: Replication assertion error after removetoken, removetoken force and a restart

2011-04-27 Thread Alexis -Quôc
vice.instance().sendReply(response, id, msg.getFrom()); 43 } 44 } Before I dig deeper in the code, has anybody dealt with this before? Thanks, -- Alexis Lê-Quôc