RE: Hitting tcmalloc bug even with patch applied

2015-04-28 Thread Vijayendra Shamanna
Hi Milosz, The OSD op worker threads which handle requests are part of sharded thread pool. We observed that the distribution across these shards was a bit uneven. Most of the new/delete were originating from Index Manager code in the read path when we last checked. Thanks, Viju

RE: Ceph data consistency

2014-12-30 Thread Vijayendra Shamanna
Hi, There is a sync thread (sync_entry in FileStore.cc) which triggers periodically and executes sync_filesystem() to ensure that the data is consistent. The journal entries are trimmed only after a successful sync_filesystem() call Thanks Viju -Original Message- From:

RE: Performance variation across RBD clients on different pools in all SSD setup - tcmalloc issue

2014-12-03 Thread Vijayendra Shamanna
Sage, We did test with latest version of tcmalloc as well. It exhibited the same behavior. Viju -Original Message- From: ceph-devel-ow...@vger.kernel.org [mailto:ceph-devel-ow...@vger.kernel.org] On Behalf Of Sage Weil Sent: Wednesday, December 03, 2014 9:30 PM To: Chaitanya Huilgol

RE: ceph osd start process

2014-11-06 Thread Vijayendra Shamanna
Hi, You can refer to _create_collection, which is invoked from OP_MKCOLL transaction opcode (FileStore.cc) context for the file store backend. Thanks, Viju -Original Message- From: ceph-devel-ow...@vger.kernel.org [mailto:ceph-devel-ow...@vger.kernel.org] On Behalf Of xinxin shu

RE: Is that possible to run teuthology on local test servers

2014-08-13 Thread Vijayendra Shamanna
Hi, I had gotten teuthology to work some time back to a reasonable extent in my local setup with a few quick ugly hacks. The main set of changes were, 1. Explicitly named my test systems as plana01 , plana02 plana03. Some of the teuthology code which checks for VM instances does compare with