I've just found, that JNA will be not used from 1.1 release - https://issues.apache.org/jira/browse/CASSANDRA-3271 I would be also nice to know what was the reason for this decision.
Regards, Maciej On Wed, Nov 2, 2011 at 1:34 PM, Viktor Jevdokimov < viktor.jevdoki...@adform.com> wrote: > Up, also interested in answers to questions below. > > > Best regards/ Pagarbiai > > Viktor Jevdokimov > Senior Developer > > Email: viktor.jevdoki...@adform.com > Phone: +370 5 212 3063 > Fax: +370 5 261 0453 > > J. Jasinskio 16C, > LT-01112 Vilnius, > Lithuania > > > > Disclaimer: The information contained in this message and attachments is > intended solely for the attention and use of the named addressee and may be > confidential. If you are not the intended recipient, you are reminded that > the information remains the property of the sender. You must not use, > disclose, distribute, copy, print or rely on this e-mail. If you have > received this message in error, please contact the sender immediately and > irrevocably delete this message and any copies.-----Original Message----- > From: Maciej Miklas [mailto:mac.mik...@googlemail.com] > Sent: Tuesday, November 01, 2011 11:15 > To: user@cassandra.apache.org > Subject: Cassandra 1.x and proper JNA setup > > Hi all, > > is there any documentation about proper JNA configuration? > > I do not understand few things: > > 1) Does JNA use JVM heap settings? > > 2) Do I need to decrease max heap size while using JNA? > > 3) How do I limit RAM allocated by JNA? > > 4) Where can I see / monitor row cache size? > > 5) I've configured JNA just for test on my dev computer and so far I've > noticed serious performance issues (high cpu usage on heavy write load), so > I must be doing something wrong.... I've just copied JNA jars into > Cassandra/lib, without installing any native libs. This should not work at > all, right? > > Thanks, > Maciej > >
