High APC Fragmentation

[semprot]

Hi,

I use 2-cpu license litespeed.
I use apc and i have uploaded apc.php.
my apc.ttl is 0.
But apc.php shows very high fragmentation every time i refresh apc.php (my site is busy site), it can reach up to 50%.
what should i do?

apc.cache_by_default	1
apc.canonicalize	1
apc.coredump_unmap	0
apc.enable_cli	1
apc.enabled	1
apc.file_md5	0
apc.file_update_protection	2
apc.filters	
apc.gc_ttl	3600
apc.include_once_override	0
apc.lazy_classes	0
apc.lazy_functions	0
apc.max_file_size	20M
apc.mmap_file_mask	
apc.num_files_hint	1000
apc.preload_path	
apc.report_autofilter	0
apc.rfc1867	0
apc.rfc1867_freq	0
apc.rfc1867_name	APC_UPLOAD_PROGRESS
apc.rfc1867_prefix	upload_
apc.rfc1867_ttl	3600
apc.serializer	default
apc.shm_segments	1
apc.shm_size	256M
apc.slam_defense	1
apc.stat	1
apc.stat_ctime	0
apc.ttl	0
apc.use_request_time	1
apc.user_entries_hint	4096
apc.user_ttl	7200
apc.write_lock	1