ience with Cassandra 1.2 and Java 8 in
production. Any known issues or gotchas?
Cheers!
-Tim
--
Tim Heckman
Operations Engineer
PagerDuty, Inc.
Hello,
I'm looking to convert our recently upgraded Cassandra cluster from a
single token per node to using vnodes. We've determined that based on
our data consistency and usage patterns that shuffling will be the
best way to convert our live cluster.
However, when following the instructions for
On Mon, Sep 8, 2014 at 11:19 AM, Robert Coli wrote:
> On Mon, Sep 8, 2014 at 11:08 AM, Tim Heckman wrote:
>>
>> I'm looking to convert our recently upgraded Cassandra cluster from a
>> single token per node to using vnodes. We've determined that based on
&g
iors in the 2.x branch. If we do
move to the 2.x version that's something we'll be keeping in mind.
Cheers!
-Tim
> On Mon, Sep 8, 2014 at 1:28 PM, Robert Coli wrote:
>> On Mon, Sep 8, 2014 at 1:21 PM, Tim Heckman wrote:
>>>
>>> We're still at the explorat
Hello,
I ran in to a problem today where Cassandra 1.2.18 exhausted its number of
permitted open file descriptors (65,535). This node has 256 tokens (vnodes)
and runs in a test environment with relatively little traffic/data.
As best I could tell, the majority of the file descriptors open were fo
Hello,
I am looking to change how we trigger maintenance operations in our C*
clusters. The end goal is to schedule and run the jobs using a system that
is backed by Serf to handle the event propagation.
I know that when issuing some operations via nodetool, the command blocks
until the operation
On Mon, Oct 27, 2014 at 1:44 PM, Robert Coli wrote:
> On Mon, Oct 27, 2014 at 1:33 PM, Tim Heckman wrote:
>
>> I know that when issuing some operations via nodetool, the command blocks
>> until the operation is finished. However, is there a way to reliably
>> dete
Hello Gabriel,
On Sun, Nov 16, 2014 at 7:25 AM, Gabriel Menegatti
wrote:
> I said that load was not a big deal, because ops center shows this loads as
> green, not as yellow or red at all.
>
> Also, our servers have many processors/threads, so I *think* this load is
> not problematic.
I've seen
On Dec 4, 2014 8:14 PM, "Philo Yang" wrote:
>
> Hi,all
>
> I have a cluster on C* 2.1.1 and jdk 1.7_u51. I have a trouble with full
gc that sometime there may be one or two nodes full gc more than one time
per minute and over 10 seconds each time, then the node will be unreachable
and the latency
On Sat, Dec 6, 2014 at 8:05 AM, Eric Stevens wrote:
> The official recommendation is 100k:
> http://www.datastax.com/documentation/cassandra/2.0/cassandra/install/installRecommendSettings.html
>
> I wonder if there's an advantage to this over unlimited if you're running
> servers which are dedicat
On Thu, Jan 22, 2015 at 10:22 AM, Jan wrote:
> Running a 'nodetool repair' will 'not' bring the node down.
It's not something that happens during normal operation. If something
goes sideways, and the resource usage climbs, a repair can definitely
cripple a node.
> Your question:
> does a node
Does `nodetool comactionstats` show nothing running as well? Also, for
posterity what are some details of the setup (C* version, etc.)?
-Tim
--
Tim Heckman
Operations Engineer
PagerDuty, Inc.
On Sun, Jun 7, 2015 at 6:40 PM, Arturas Raizys
wrote:
> Hello,
>
> I'm having prob
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