Re: [Gluster-devel] 答复: Re: Gluster AFR volume write performance has been seriously affected by GLUSTERFS_WRITE_IS_APPEND in afr_writev

LiPing10168633/user/zte_ltd 写于 2016/01/28 21:40:30: > From: 李平10168633/user/zte_ltd > To: Pranith Kumar Karampuri , gluster-devel@gluster.org, > Cc: li.y...@zte.com.cn, liu.jianj...@zte.com.cn, > yang.bi...@zte.com.cn, zhou.shigan...@zte.com.cn > Date: 2016/01/28 21:40 >

Re: [Gluster-devel] 答复: Re: Gluster AFR volume write performance has been seriously affected by GLUSTERFS_WRITE_IS_APPEND in afr_writev

Sorry for the late reply. Pranith Kumar Karampuri 写于 2016/01/25 17:48:06: > From: Pranith Kumar Karampuri > To: li.ping...@zte.com.cn, > Cc: li.y...@zte.com.cn, zhou.shigan...@zte.com.cn, > liu.jianj...@zte.com.cn, yang.bi...@zte.com.cn > Date:

[Gluster-devel] 答复: Re: Gluster AFR volume write performance has been seriously affected by GLUSTERFS_WRITE_IS_APPEND in afr_writev

Hi Pranith, it is appreciated for your reply. Pranith Kumar Karampuri 写于 2016/01/20 18:51:19: > 发件人: Pranith Kumar Karampuri > 收件人: li.ping...@zte.com.cn, gluster-devel@gluster.org, > 日期: 2016/01/20 18:51 > 主题: Re: [Gluster-devel] Gluster AFR

[Gluster-devel] Gluster AFR volume write performance has been seriously affected by GLUSTERFS_WRITE_IS_APPEND in afr_writev

GLUSTERFS_WRITE_IS_APPEND Setting in afr_writev function at glusterfs client end makes the posix_writev in the server end deal IO write fops from parallel to serial in consequence. i.e. multiple io-worker threads carrying out IO write fops are blocked in posix_writev to execute final write