2013/12/7 Chris Burroughs :
> Thank you Devon and Vladimir for starting this thread. We (AddThis)
> have been struggling with gmetad performance and stability for a while
> and I'm personally excited to see the focus here. I'll explain briefly
> how we are using ganglia for context and then have
Thank you Vladimir and Devon. Much appreciated.
+2 for these below initiatives.
>>
* changing the data serialization format from XML to one that is easier /
faster to parse,
* using a different data structure than a hash table for metrics
hierarchies (probably a tree with metrics stored at each
On 12/07/2013 02:23 PM, Chris Burroughs wrote:
> On 12/06/2013 03:36 PM, Vladimir Vuksan wrote:
>> The Ganglia core is comprised of two daemons, `gmond` and `gmetad`.
>> `Gmond` is
>> primarily responsible for sending and receiving metrics; `gmetad`
>> carries the
>> hefty task of summarizing / a
Thank you Devon and Vladimir for starting this thread. We (AddThis)
have been struggling with gmetad performance and stability for a while
and I'm personally excited to see the focus here. I'll explain briefly
how we are using ganglia for context and then have inline comments.
We have two dat
Adrian,
Have you experimented with Host sFlow agents?
http://host-sflow.sourceforge.net/
The Host sFlow agents export the following standard metrics (which are based on
the Ganglia libmetrics core, adding additional metrics for disk I/O, UUIDs,
virtual machines etc.):
http://sflow.org/sflow_h
2013/12/7 Adrian Sevcenco :
> On 12/06/2013 10:51 PM, Devon H. O'Dell wrote:
>> 2013/12/6 Vladimir Vuksan :
>>> Hello everyone,
> Hi!
>
>>> For few weeks now we have had performance issues due to growth of
>>> our monitoring setup. One of my colleagues Devon O'Dell volunteered
>>> to help and below
2013/12/6 Nicholas Satterly :
> Excellent work, Devon. A few comments...
>
> What happens when the RRD TCP receive queue fills up and the socket blocks
> or if the TCP socket is closed by RRDcached for some reason? Does each
> gmetad data thread block/time out/retry the connection?
On connection e
