Re: [openstack-dev] [gnocchi] Redis for storage backend

2017-10-24 Thread Yaguang Tang
Hi Gordon， Thanks for your test results， we investigate more on our env, finally it turns out that our ceph cluster isn't work as expected. which made gnocchi performance decrease a lot. On Thu, Oct 19, 2017 at 1:09 AM, gordon chung wrote: > > > On 2017-10-18 12:15 PM, Yaguang

Re: [openstack-dev] [gnocchi] Redis for storage backend

2017-10-18 Thread gordon chung
On 2017-10-18 12:15 PM, Yaguang Tang wrote: > > We launched 300vms and each vm has about 10 metrics, OpenStack cluster > have 3 controllers and 2 compute nodes(ceph replication is set to 2). seems smaller than my test, i have 20K metrics in my test > > what we want to archive is to make all

Re: [openstack-dev] [gnocchi] Redis for storage backend

2017-10-18 Thread Yaguang Tang
Hi Gordon, We launched 300vms and each vm has about 10 metrics, OpenStack cluster have 3 controllers and 2 compute nodes(ceph replication is set to 2). what we want to archive is to make all metric measures data get processed as soon as possible, metric processing delay is set to 10s, and

Re: [openstack-dev] [gnocchi] Redis for storage backend

2017-10-13 Thread gordon chung
On 2017-10-13 03:37 AM, Julien Danjou wrote: > On Fri, Oct 13 2017, Yaguang Tang wrote: > >> I see the latest Gnocchi support using Redis as a storage backend, I am >> testing performance of Redis and Ceph, it seems using Redis as storage >> backend we can achieve more realtime metric >> data,

Re: [openstack-dev] [gnocchi] Redis for storage backend

2017-10-13 Thread Julien Danjou
On Fri, Oct 13 2017, Yaguang Tang wrote: > I see the latest Gnocchi support using Redis as a storage backend, I am > testing performance of Redis and Ceph, it seems using Redis as storage > backend we can achieve more realtime metric > data, gnocchi status shows there is always few metric to

[openstack-dev] [gnocchi] Redis for storage backend

2017-10-12 Thread Yaguang Tang
Hi all, I see the latest Gnocchi support using Redis as a storage backend, I am testing performance of Redis and Ceph, it seems using Redis as storage backend we can achieve more realtime metric data, gnocchi status shows there is always few metric to process. Is Redis a recommend storage