RE: What is the effect of reducing the thrift message sizes on GC

2013-06-18 Thread Viktor Jevdokimov
mail. If you have received this message in error, please contact the sender immediately and irrevocably delete this message and any copies. From: Ananth Gundabattula [mailto:agundabatt...@threatmetrix.com] Sent: Tuesday, June 18, 2013 10:31 AM To: user@cassandra.apache.org Subject: What is the eff

Re: What is the effect of reducing the thrift message sizes on GC

2013-06-18 Thread Ananth Gundabattula
Thanks Aaron for the insight. One quick question: >The buffers are not pre allocated, but once they are allocated they are >not returned. So it's only an issue if have lots of clients connecting >and reading a lot of data. So to understand you correctly, the buffer is allocated per client connect

Re: What is the effect of reducing the thrift message sizes on GC

2013-06-18 Thread aaron morton
> *thrift_framed_transport_size_in_mb & thrift_max_message_length_in_mb* This control the max size of a bugger allocated by thrift when processing requests / responses. The buffers are not pre allocated, but once they are allocated they are not returned. So it's only an issue if have lots of clie

What is the effect of reducing the thrift message sizes on GC

2013-06-18 Thread Ananth Gundabattula
We are currently running on 1.1.10 and planning to migrate to a higher version 1.2.4. The question pertains to tweaking all the knobs to reduce GC related issues ( we have been fighting a lot of really bad GC issues on 1.1.10 and met with little success all the way using 1.1.10) Taking into cons