Лагает сервер

root@debian:~# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel® Xeon® CPU L5520 @ 2.27GHz
stepping : 1
cpu MHz : 2261.000
cache size : 8192 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss nx lm constant_tsc up arch_perfmon pebs bts tsc_reliable nonstop_tsc aperfmperf pni ssse3 cx16 hypervisor lahf_lm ida
bogomips : 4522.00
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:

root@debian:~# cat /proc/meminfo
MemTotal: 514628 kB
MemFree: 25012 kB
Buffers: 5276 kB
Cached: 204556 kB
SwapCached: 2708 kB
Active: 243092 kB
Inactive: 231076 kB
Active(anon): 122348 kB
Inactive(anon): 142144 kB
Active(file): 120744 kB
Inactive(file): 88932 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 514628 kB
LowFree: 25012 kB
SwapTotal: 368632 kB
SwapFree: 360484 kB
Dirty: 20 kB
Writeback: 0 kB
AnonPages: 261916 kB
Mapped: 38676 kB
Shmem: 156 kB
Slab: 9824 kB
SReclaimable: 4856 kB
SUnreclaim: 4968 kB
KernelStack: 880 kB
PageTables: 1552 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 625944 kB
Committed_AS: 578432 kB
VmallocTotal: 503800 kB
VmallocUsed: 5984 kB
VmallocChunk: 490036 kB
HardwareCorrupted: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 4096 kB
DirectMap4k: 16384 kB
DirectMap4M: 507904 kB