[ceph-users] About conditional PUT on ETag

2014-07-06 Thread Ray Lv
Hi there, We’re extending the use case of RADOSGW to store some lightweight metadata which is accessed concurrently by multiple clients. The metadata is stored as a RGW object in CEPH. The payload data is JSON array encoded as string. The following is a sample payload. [ { "id": "foo",

Re: [ceph-users] UI of radosgw admin

2014-04-25 Thread Ray Lv
essage d'origine- >De : ceph-users-boun...@lists.ceph.com >[mailto:ceph-users-boun...@lists.ceph.com] De la part de Wido den >Hollander >Envoyé : mardi 22 avril 2014 16:05 >À : ceph-users@lists.ceph.com >Objet : Re: [ceph-users] UI of radosgw admin > >On 04/22/2014 02:12 PM,

[ceph-users] UI of radosgw admin

2014-04-22 Thread Ray Lv
Hi there, Currently, the REST layer of CEPH has a bunch of admin APIs with radosgw to manage user, bucket, key, etc. Is there an UI for managing them based on the admin ops APIs right now or in the future? Any interested parties on it? Thanks, Ray ___

Re: [ceph-users] Backward compatibility of librados in Firefly

2014-03-28 Thread Ray Lv
/include/rados/librados.h . Could you please show me a hint which API to use? So I gonna test against this change. Thanks, Ray On 3/26/14, 3:07 PM, "Josh Durgin" wrote: >On 03/25/2014 12:18 AM, Ray Lv wrote: >> Hi there, >> >> We got a case to use the C APIs of

[ceph-users] Backward compatibility of librados in Firefly

2014-03-25 Thread Ray Lv
Hi there, We got a case to use the C APIs of compound operation in librados. These interfaces are only exported as C APIs from Firefly release, such as https://github.com/ceph/ceph/blob/firefly/src/include/rados/librados.h#L1834. But our RADOS deployment will stick to the Dumpling release right

Re: [ceph-users] [rgw] increase the first chunk size

2014-03-04 Thread Ray Lv
, Ray On 3/4/14, 9:01 AM, "Yehuda Sadeh" wrote: >Created issue #7589, and pushed a wip-7589 that addresses the issue. I >just ran some basic tests, so it should be taken with that in mind. > >Yehuda > >On Mon, Mar 3, 2014 at 5:31 AM, Ray Lv wrote: >> Hi Yeh

Re: [ceph-users] [rgw] increase the first chunk size

2014-03-03 Thread Ray Lv
-- Forwarded message -- >From: Yehuda Sadeh >Date: Thu, Feb 20, 2014 at 9:04 AM >Subject: Re: [ceph-users] [rgw] increase the first chunk size >To: Ray Lv > > >On Thu, Feb 20, 2014 at 5:08 AM, Ray Lv wrote: >> Hi, >> >> Currently, the first chunk s

[ceph-users] [rgw] increase the first chunk size

2014-02-20 Thread Ray Lv
Hi, Currently, the first chunk size of a radosgw object is 512KB. Here is a case that most of data workload gets to radosgw is ~ 4MB. With the current first chunk size, each radosgw object is stripped to two chunks (512K + 3.5M). And we’re using several large disks on each host with 40TB capaci

[ceph-users] What's the status of feature: S3 object versioning?

2014-01-02 Thread Ray Lv
Hi there, Noted that there is a Blueprint item about S3 object versioning in radosgw for Firefly at http://wiki.ceph.com/Planning/Blueprints/Firefly/rgw%3A_object_versioning And Sage has announced v0.74 release for Firefly. Do you guys know the status of this feature? Thanks, Ray _