On 2014/10/9 15:16, Guozhonghua wrote: > Hi Joseph and Srinivas, > > We had merged and test the two patches: > 1. ocfs2: o2net: set tcp user timeout to max value > 8e9801dfe37c9e68cdbfcd15988df2187191864e > 2. ocfs2: o2net: don't shutdown connection when idle timeout > c43c363def04cdaed0d9e26dae846081f55714e7 > > They are works well as we shut down and up the Ethernet interface manually > and intervals to create the scenarios with shell scripts, the issues cat not > be recreated. > Thanks you for reviews and better advices. > > There is another question. > As the node number rises to 32 or 128 in one cluster, we think the TCP keep > alive MSG interval should be make longer from 2 seconds to 10 seconds and the > idle timeout value should be 60000ms or 90000ms. > We think it can reduce the non-useful keep alive messages and improve the > performance of the TCP connection. > O2CB_IDLE_TIMEOUT_MS=30000 to 90000 > O2CB_KEEPALIVE_DELAY_MS=2000 to 10000 > In my opinion, O2CB_IDLE_TIMEOUT_MS can be changed to suit your scenario. But for O2CB_KEEPALIVE_DELAY_MS, I don't think you have to change it. It will send keepalive packet only if there is no DLM messages between nodes.
> We test the values and the changes works well. > Is there any side effect? We are forward your better thoughts about that. > Thanks. > > ------------------------------------------------------------------------------------------------------------------------------------- > 本邮件及其附件含有杭州华三通信技术有限公司的保密信息，仅限于发送给上面地址中列出 > 的个人或群组。禁止任何其他人以任何形式使用（包括但不限于全部或部分地泄露、复制、 > 或散发）本邮件中的信息。如果您错收了本邮件，请您立即电话或邮件通知发件人并删除本 > 邮件！ > This e-mail and its attachments contain confidential information from H3C, > which is > intended only for the person or entity whose address is listed above. Any use > of the > information contained herein in any way (including, but not limited to, total > or partial > disclosure, reproduction, or dissemination) by persons other than the intended > recipient(s) is prohibited. If you receive this e-mail in error, please > notify the sender > by phone or email immediately and delete it! > _______________________________________________ Ocfs2-devel mailing list Ocfs2-devel@oss.oracle.com https://oss.oracle.com/mailman/listinfo/ocfs2-devel
