Thanks Ilya ! Regards Somnath -----Original Message----- From: Ilya Dryomov [mailto:idryomov@xxxxxxxxx] Sent: Tuesday, May 17, 2016 1:26 PM To: Somnath Roy Cc: ceph-devel@xxxxxxxxxxxxxxx Subject: Re: TCP_NODELAY patch On Tue, May 17, 2016 at 8:05 PM, Somnath Roy <Somnath.Roy@xxxxxxxxxxx> wrote: > Hi Ilya, > Could you please let us know at what upstream kernel version the TCP_NODELAY krbd patch went in ? > Is it there in RHEL 7.2 and Ubuntu 16.04 LTS ? It went into 4.0. IIRC 16.04 LTS is based on 4.4, so yes to both. You can check it yourself with rbd map -o tcp_nodelay <imagename>. If it doesn't fail with "libceph: bad option ..." in the dmesg, it's there. Thanks, Ilya PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies). ��.n��������+%������w��{.n����z��u���ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
