Re: leveldb Hot Threads in 1.4.9?

2014-07-08 Thread Matthew Von-Maszewski
Responses inline. On Jul 7, 2014, at 10:54 PM, Tom Lanyon wrote: > Hi Matthew, > > On Sunday, 6 July 2014 at 3:04, Matthew Von-Maszewski wrote: >> Tom, >> >> Basho prides itself on quickly responding to all user queries. I have failed >> that tradition in this case. Please accept my apologi

Re: leveldb Hot Threads in 1.4.9?

2014-07-07 Thread Tom Lanyon
Hi Matthew, On Sunday, 6 July 2014 at 3:04, Matthew Von-Maszewski wrote: > Tom, > > Basho prides itself on quickly responding to all user queries. I have failed > that tradition in this case. Please accept my apologies. No problem; I appreciate you taking the time to look into our LOG. > > T

Re: leveldb Hot Threads in 1.4.9?

2014-07-05 Thread Matthew Von-Maszewski
Tom, Basho prides itself on quickly responding to all user queries. I have failed that tradition in this case. Please accept my apologies. The LOG data suggests leveldb is not stalling, especially not for 4 hours. Therefore the problem is related to disk utilization. You appear to have lar

Re: leveldb Hot Threads in 1.4.9?

2014-06-22 Thread Matthew Von-Maszewski
Hot threads is included with 1.4.9. The leveldb source file leveldb/util//hot_threads.cc is the key file. The code helps throughput, but is not magical. "unresponsive for hours" is not a known problem in the 1.4.x code base. Would you mind posting an aggregate LOG file from a period when thi

leveldb Hot Threads in 1.4.9?

2014-06-22 Thread Tom Lanyon
Could someone please confirm whether 1.4.9 includes "Hot Threads" in leveldb? The release notes have a link to it, but I couldn't find my way through the rebar & git maze to be absolutely sure it is in 1.4.9 but not 1.4.8. We're seeing nodes unresponsive for hours during large compactions and w