<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hello,<div><br></div><div>Since the problem motioned previously (all errors noticed in brick log files), i notice a very very bad performance: i can note my write performance divided by 4 than previously -knowing it was not so good before.</div><div>Now, a write of a 33GB file, my write throughput is around 150MBs (with Infiniband), before it was around 550-600MBs; and this, both with RDMA and TCP protocol.</div><div><br></div><div>During this test, more than 40 000 error lines (as the following) were added to the brick log files.</div><div><div style="margin: 0px; font-size: 11px; font-family: Menlo; color: rgb(255, 255, 255); background-color: rgb(0, 0, 0); position: static; z-index: auto;">[2015-08-04 22:34:27.337622] E [dict.c:1418:dict_copy_with_ref] (-->/usr/lib64/glusterfs/3.7.3/xlator/protocol/server.so(server_resolve_inode+0x60) [0x7f021c6f7410] -->/usr/lib64/glusterfs/3.7.3/xlator/protocol/server.so(resolve_gfid+0x88) [0x7f021c6f7188] -->/usr/lib64/libglusterfs.so.0(dict_copy_with_ref+0xa4) [0x7f0229cba674] ) 0-dict: invalid argument: dict [Argument invalide]</div></div><div><br></div><div><br></div><div>All brick log files are in attachments.</div><div><br></div><div>Thanks in advance for all your help and fix,</div><div>Best,</div><div>Geoffrey</div><div><br></div><div>PS: question: is it possible to easily downgrade GlusterFS to a previous version from 3.7 (for example: v3.5)?</div><div><br></div><div><div apple-content-edited="true">
------------------------------------------------------<br>Geoffrey Letessier<br>Responsable informatique & ingénieur système<br>UPR 9080 - CNRS - Laboratoire de Biochimie Théorique<br>Institut de Biologie Physico-Chimique<br>13, rue Pierre et Marie Curie - 75005 Paris<br>Tel: 01 58 41 50 93 - eMail: <a href="mailto:geoffrey.letessier@ibpc.fr">geoffrey.letessier@ibpc.fr</a>
</div>
</div></body></html>