Re: Slow tcp handshakes rate of 2.6.20 and 2.6.19

2007-04-29 Thread Quan Sun
Hi, On 4/28/07, Robert Iakobashvili <[EMAIL PROTECTED]> wrote: What are the #cat /proc/sys/net/ipv4/tcp_mem values for your kernels? Do you see tcp memory pressure by #netstat -s ? In my original kernel (2.6.20.6), tcp_mem is 24576, 32768, 49152 There is several memory_pressure in the `netst

Re: Slow tcp handshakes rate of 2.6.20 and 2.6.19

2007-04-27 Thread Robert Iakobashvili
On 4/28/07, Quan Sun <[EMAIL PROTECTED]> wrote: Hi, In these days I met a strange situation, tcp handshake rate is slow after 2.6.18.8. The case is, server accepts connections, and records number of successful tcp handshakes during last 10 seconds. Client tries to connect to server's listen

Slow tcp handshakes rate of 2.6.20 and 2.6.19

2007-04-27 Thread Quan Sun
Hi, In these days I met a strange situation, tcp handshake rate is slow after 2.6.18.8. The case is, server accepts connections, and records number of successful tcp handshakes during last 10 seconds. Client tries to connect to server's listen port as fast as possible and as many as possible, o