How about GC logs, what are your pause times? JVM settings might help.... If you are not sure how to enable GC logs check cassandra.yaml look for application pause times. it is highly recommended not to swap -- include JNA jar.
Regards, </VJ> On Thu, Jul 14, 2011 at 1:42 AM, Donna Li <donna...@utstar.com> wrote: > All:**** > > I have four cassandra servers in cluster. I do not restart any one of the > servers, why the following print show the four servers restart many times? > What is the possible reason? The connection between the four server’s is > good.**** > > Swap may be used, because there are other applications run with cassandra > server.**** > > ** ** > > 10.63.61.71 log**** > > INFO [Timer-0] 2011-07-13 10:44:55,732 Gossiper.java (line 181) InetAddress > /10.63.61.74 is now dead.**** > > INFO [GMFD:1] 2011-07-13 10:44:57,748 Gossiper.java (line 579) InetAddress > /10.63.61.74 is now UP**** > > INFO [Timer-0] 2011-07-13 15:56:44,630 Gossiper.java (line 181) > InetAddress /10.63.61.74 is now dead.**** > > INFO [GMFD:1] 2011-07-13 15:56:44,653 Gossiper.java (line 579) InetAddress > /10.63.61.74 is now UP**** > > INFO [Timer-0] 2011-07-13 16:03:24,391 Gossiper.java (line 181) > InetAddress /10.63.61.72 is now dead.**** > > INFO [GMFD:1] 2011-07-13 16:03:24,405 Gossiper.java (line 579) InetAddress > /10.63.61.72 is now UP**** > > INFO [Timer-0] 2011-07-13 22:21:41,246 Gossiper.java (line 181) > InetAddress /10.63.61.74 is now dead.**** > > INFO [Timer-0] 2011-07-13 22:22:45,602 Gossiper.java (line 181) > InetAddress /10.63.61.73 is now dead.**** > > INFO [Timer-0] 2011-07-13 22:22:45,602 Gossiper.java (line 181) > InetAddress /10.63.61.72 is now dead.**** > > INFO [GMFD:1] 2011-07-13 22:22:45,993 Gossiper.java (line 579) InetAddress > /10.63.61.73 is now UP**** > > INFO [GMFD:1] 2011-07-13 22:22:46,107 Gossiper.java (line 579) InetAddress > /10.63.61.72 is now UP**** > > INFO [GMFD:1] 2011-07-13 22:22:46,107 Gossiper.java (line 579) InetAddress > /10.63.61.74 is now UP**** > > INFO [Timer-0] 2011-07-13 22:24:08,812 Gossiper.java (line 181) > InetAddress /10.63.61.74 is now dead.**** > > INFO [GMFD:1] 2011-07-13 22:24:08,920 Gossiper.java (line 579) InetAddress > /10.63.61.74 is now UP**** > > ** ** > > 10.63.61.72 log**** > > INFO [Timer-0] 2011-07-13 02:06:03,941 Gossiper.java (line 181) InetAddress > /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 02:06:05,109 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 03:39:41,918 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 03:39:45,536 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 10:10:17,449 Gossiper.java (line 181) > InetAddress /10.63.61.74 is now dead.**** > > INFO [Timer-0] 2011-07-13 10:10:17,471 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 10:10:18,451 Gossiper.java (line 579) InetAddress > /10.63.61.74 is now UP**** > > INFO [GMFD:1] 2011-07-13 10:10:18,451 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 10:44:36,140 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 10:44:57,417 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 10:45:10,141 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 10:45:14,478 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 15:14:44,044 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 15:14:47,610 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 15:56:36,857 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 15:56:44,417 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 16:02:37,260 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 16:02:52,651 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 16:03:05,289 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 16:03:11,260 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 16:08:47,666 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 16:08:48,668 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 17:38:32,569 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 17:38:34,572 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 22:20:45,706 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 22:22:46,143 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 22:23:32,875 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 22:24:08,948 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 22:32:37,421 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 22:32:38,036 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > ** ** > > 10.63.61.73 log**** > > INFO [Timer-0] 2011-07-13 03:39:42,066 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 03:39:45,536 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 10:42:37,274 Gossiper.java (line 181) > InetAddress /10.63.61.74 is now dead.**** > > INFO [GMFD:1] 2011-07-13 10:42:37,275 Gossiper.java (line 579) InetAddress > /10.63.61.74 is now UP**** > > INFO [Timer-0] 2011-07-13 10:44:48,406 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 10:44:57,550 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 15:14:45,754 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 15:14:47,486 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 15:56:39,927 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 15:56:44,755 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 16:02:40,289 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 16:02:53,076 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 16:03:08,316 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 16:03:11,689 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 22:20:48,906 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 22:22:45,936 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 22:23:34,072 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 22:24:08,901 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > ** ** > > 10.63.61.74 log**** > > INFO [Timer-0] 2011-07-13 02:06:05,952 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 02:06:05,953 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 03:39:44,699 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 03:39:45,700 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 10:44:46,676 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 10:44:57,656 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 15:14:47,547 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 15:14:49,269 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 15:56:39,594 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 15:56:44,825 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 16:02:38,959 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 16:02:53,173 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 16:03:07,988 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 16:03:11,787 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 22:20:46,859 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 22:22:46,020 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > INFO [Timer-0] 2011-07-13 22:23:33,860 Gossiper.java (line 181) > InetAddress /10.63.61.71 is now dead.**** > > INFO [GMFD:1] 2011-07-13 22:24:08,897 Gossiper.java (line 579) InetAddress > /10.63.61.71 is now UP**** > > ** ** > > Best Regards**** > > Donna li**** >
