DO NOT REPLY [Bug 7838] - Apache leaves shared memory segments and dies after unclean shutdown
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DO NOT REPLY [Bug 7838] - Apache leaves shared memory segments and dies after unclean shutdown
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7838. ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND INSERTED IN THE BUG DATABASE. http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7838 Apache leaves shared memory segments and dies after unclean shutdown --- Additional Comments From [EMAIL PROTECTED] 2003-02-26 01:05 --- The proper way is to use httpd -k stop or apachectl -k stop. This should run all the cleanup stuff and shutdown gently. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
DO NOT REPLY [Bug 7838] - Apache leaves shared memory segments and dies after unclean shutdown
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7838
Apache leaves shared memory segments and dies after unclean shutdown
--- Additional Comments From [EMAIL PROTECTED] 2002-04-26 01:43 ---
What is the proper way to kill apache, having it NOT finish servicing any
requests, but die immediately and exit cleanly?
This is what I do now, which apparently leaves shared memory around
sometimes.
if (-e /var/run/httpd.pid) {
kill -TERM `cat /var/run/httpd.pid`
rm /var/run/httpd.pid
}
sleep 2
killall -9 httpd
DO NOT REPLY [Bug 7838] - Apache leaves shared memory segments and dies after unclean shutdown
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7838. ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND INSERTED IN THE BUG DATABASE. http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7838 Apache leaves shared memory segments and dies after unclean shutdown [EMAIL PROTECTED] changed: What|Removed |Added CC||[EMAIL PROTECTED] Status|NEW |RESOLVED Resolution||INVALID --- Additional Comments From [EMAIL PROTECTED] 2002-04-25 15:38 --- A few very good proposals have been made here, but unfortunately they are insufficient: 1) calling shmctl(new_m-shmid, IPC_RMID, NULL) right after calling shmat() -- This won't work because segments that are marked IPC_RMID can not be attached to in child processes. 2) calling shmctl($shmid, IPC_RMID, 0) before creating a new segment -- This is also problematic because this would allow a second instance of apache to remove the segment of another already-running apache. It is my understanding that the normal shutdown signals will call the cleanup routines and properly detach and remove the segment. If you are killing apache with SIGKILL then you're going to have to use ipcs/ipcrm to clean up those segments. For the above reasons I'm marking this bug as invalid, if you disagree please comment.
DO NOT REPLY [Bug 7838] - Apache leaves shared memory segments and dies after unclean shutdown
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7838. ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND INSERTED IN THE BUG DATABASE. http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7838 Apache leaves shared memory segments and dies after unclean shutdown --- Additional Comments From [EMAIL PROTECTED] 2002-04-16 00:13 --- [adding myself to CC]
DO NOT REPLY [Bug 7838] - Apache leaves shared memory segments and dies after unclean shutdown
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7838. ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND INSERTED IN THE BUG DATABASE. http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7838 Apache leaves shared memory segments and dies after unclean shutdown [EMAIL PROTECTED] changed: What|Removed |Added Summary|Apache leaves shared memory |Apache leaves shared memory |segments and dies gafter|segments and dies after |unclean shutdown|unclean shutdown --- Additional Comments From [EMAIL PROTECTED] 2002-04-15 05:41 --- This is one of the main drawbacks of using System V SHM. Try using AcceptMutex pthread if your platform supports it (Solaris certainly does). You may also try flock or fcntl if your OS supports those values. We can attempt to try to clean up certain shutdown paths, but I'm not sure we can catch everything. The reason we do not want to delete the segment on initialization is that doing so prevents third-party modules (such as mod_perl which relies on this, AIUI) from attaching to the scoreboard externally. Also fix typo in bug summary.
