I am using Cassandra 0.7.0 and Random Partitioner.
From: Or Yanay [mailto:[email protected]]
Sent: Thursday, March 31, 2011 12:20 PM
To: [email protected]
Subject: Requests stuck on production cluster
Hi all,
My production cluster reads got stuck.
The ring gives:
Address Status State Load Owns Token
146231632500721020374621781629360107476
10.39.21.7 Up Normal 118.86 GB 18.15%
6968792681466807915334918525105891681
10.39.21.2 Up Normal 170.37 GB 33.20%
63458945745812644657648926377562798568
10.39.21.4 Up Normal 129.49 GB 2.09%
67020233994527804731783987345291668992
10.39.21.3 Up Normal 118.57 GB 31.26%
120208618942813734646032022699594259441
10.39.21.6 Up Normal 171.03 GB 15.29%
146231632500721020374621781629360107476
The 2% bit struck me as odd, so I ran tpstats on 10.39.21.4 and got:
Pool Name
Active
Pending
Completed
ReadStage
0
0
143370
RequestResponseStage
8
1231283
414467
MutationStage
0
0
1772203
ReadRepair
0
0
7678
GossipStage
0
0
204797
AntiEntropyStage
0
0
0
MigrationStage
0
0
0
MemtablePostFlusher
0
0
48
StreamStage
0
0
0
FlushWriter
0
0
48
FILEUTILS-DELETE-POOL
0
0
46
MiscStage
0
0
0
FlushSorter
0
0
0
InternalResponseStage
0
0
0
HintedHandoff
0
0
6
So... something got terribly wrong.
Can anyone suggest what should do next to fix this?
Thanks.
-Orr
