Verifying internode SSL

2015-10-13 Thread Jason Williams
Hi Guys, I've configured internode SSL and set it to be used between datacenters only. Is there a way in the logs to verify SSL is operating between nodes in different DCs or do I need to break out tcpdump? Thank you in advance. -J Sent via iPhone

Re: Verifying internode SSL

2015-10-13 Thread Nate McCall
> I've configured internode SSL and set it to be used between datacenters only. Is there a way in the logs to verify SSL is operating between nodes in different DCs or do I need to break out tcpdump? > Even on DC only encryption, you should see the following message in the log: "Starting Encrypte

reiserfs - DirectoryNotEmptyException

2015-10-13 Thread Modha, Digant
Hi, I am running Cassandra 2.1.10 and noticed intermittent DirectoryNotEmptyExceptions during repair. My cassandra data drive is reiserfs. I noticed that on reiserfs wiki site https://en.m.wikipedia.org/wiki/ReiserFS#Criticism, it states that unlink operation is not synchronous. Is that the

Re: Verifying internode SSL

2015-10-13 Thread Jason J. W. Williams
Awesome. Thanks Nate! On Tue, Oct 13, 2015 at 10:32 AM, Nate McCall wrote: > > I've configured internode SSL and set it to be used between datacenters > only. Is there a way in the logs to verify SSL is operating between nodes > in different DCs or do I need to break out tcpdump? > > > > Even on

G1 GC settings

2015-10-13 Thread K F
Hi, has anyone started to use G1 collector. If so, how is the experience. Can you share your insights into some of the important tune up you had to do for cassandra. We are planning to use G1 collector with the latest version of jre 1.8.x Thanks.

Re: G1 GC settings

2015-10-13 Thread K F
Adding to the below thread planning to use stable 2.1.x release of cassandra From: K F To: User Sent: Tuesday, October 13, 2015 5:03 PM Subject: G1 GC settings Hi, has anyone started to use G1 collector. If so, how is the experience. Can you share your insights into some of the imp

Re: G1 GC settings

2015-10-13 Thread Jon Haddad
You may want to read Al Tobey’s Cassandra tuning guide. It’s got a section on G1. It’s being widely used, successfully, at massive scale. https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html > On Oct 13, 2015, a

Re: G1 GC settings

2015-10-13 Thread K F
Excellent, thanks Jonathan. From: Jon Haddad To: user@cassandra.apache.org; K F Sent: Tuesday, October 13, 2015 5:09 PM Subject: Re: G1 GC settings You may want to read Al Tobey’s Cassandra tuning guide.  It’s got a section on G1.  It’s being widely used, successfully, at massive s