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Ticket Resolution Summary Owner Reporter
#248 duplicate Memory leak with xcache with constant caching moo nijel
Description

xcache extension seems to cause memory leak under some conditions just by using opcode cache.

According to some valgrind logs, it looks like the leak is happening through zend_hash_copy, which is used only in few places, but I fail to see where leak could happen.

More information is available in Debian BTS: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=577009

Adding original reporter to CC.

#252 duplicate Potential memory leak moo mxxcon
Description

Ubuntu server 10.04LTS, Apache 2.2.14-5ubuntu8.2, XCache 1.3.0-5ubuntu1.

xcache.shm_scheme =        "mmap"
xcache.size  =                64M
xcache.count =                 2
xcache.slots =                8K
xcache.ttl   =                 0
xcache.gc_interval =           0
xcache.var_size  =            0M
xcache.var_count =             1
xcache.var_slots =            8K
xcache.var_ttl   =             0
xcache.var_maxttl   =          0
xcache.var_gc_interval =     300
xcache.test =                Off
xcache.readonly_protection = Off
xcache.mmap_path =    "/dev/zero"
xcache.coverager =          Off

After a while the server starts to use up all available memory and then all available swap and then becomes unresponsive. Tried adjusting xcache.ini settings without change in behavior. Switching XCache for APC makes the server stable again. attached in a screenshot of cacti's monitoring memory usage. toward the end of the graph is when we switched to apc.

#263 duplicate Cache filters moo bluemamba
Description

Your XCache is fantastic! Still, as any fantastic job, IMHO it needs the cherry on top.

It will be out of this world if you could provide an option to filter some of the files/folders from caching. something like:

xcache.filter = |*allreadycached* *cacheable*

where: |*allreadycached* : exclude *cacheable* : include

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