Slow server

#SLOW online_3

Dedibox SC SATA 2016

#
# hdparm /dev/sda
#
/dev/sda:
 multcount     = 16 (on)
 IO_support    =  1 (32-bit)
 readonly      =  0 (off)
 readahead     = 256 (on)
 geometry      = 121601/255/63, sectors = 1953525168, start = 0

#
# hdparm -i /dev/sda
#
/dev/sda:

 Model=HGST HTE721010A9E630, FwRev=JB0OA3M0, SerialNo=JR10034M23549K
 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
 BuffType=DualPortCache, BuffSize=unknown, MaxMultSect=16, MultSect=16
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=1953525168
 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio1 pio2 pio3 pio4
 DMA modes:  mdma0 mdma1 mdma2
 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
 AdvancedPM=yes: mode=0xFE (254) WriteCache=enabled
 Drive conforms to: unknown:  ATA/ATAPI-2,3,4,5,6,7

 * signifies the current active mode

#
# df
#
Sys. de fichiers blocs de 1K Utilisé Disponible Uti% Monté sur
/dev/sda2          960044440 8877472  902376440   1% /
udev                   10240       0      10240   0% /dev
tmpfs                 804496    9116     795380   2% /run
tmpfs                2011240       4    2011236   1% /dev/shm
tmpfs                   5120       0       5120   0% /run/lock
tmpfs                2011240       0    2011240   0% /sys/fs/cgroup
/dev/sda1             193242   31782     147197  18% /boot
tmpfs                 402248       0     402248   0% /run/user/1000

#
# cat /proc/cpuinfo
#
processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 77
model name	: Intel(R) Atom(TM) CPU  C2350  @ 1.74GHz
stepping	: 8
microcode	: 0x127
cpu MHz		: 1745.626
cache size	: 1024 KB
physical id	: 0
siblings	: 2
core id		: 1
cpu cores	: 2
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer aes rdrand lahf_lm 3dnowprefetch ida arat epb dtherm tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms
bogomips	: 3491.25
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

#
# cat /proc/meminfo
#
MemTotal:        4022480 kB
MemFree:         3369888 kB
MemAvailable:    3577884 kB
Buffers:           62284 kB
Cached:           392380 kB
SwapCached:            0 kB
Active:           394180 kB
Inactive:         150660 kB
Active(anon):     182656 kB
Inactive(anon):    21320 kB
Active(file):     211524 kB
Inactive(file):   129340 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       1074172 kB
SwapFree:        1074172 kB
Dirty:               228 kB
Writeback:             0 kB
AnonPages:         90172 kB
Mapped:           117824 kB
Shmem:            113804 kB
Slab:              82908 kB
SReclaimable:      72136 kB
SUnreclaim:        10772 kB
KernelStack:        2336 kB
PageTables:         5260 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     3085412 kB
Committed_AS:     865128 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      270344 kB
VmallocChunk:   34359466735 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:       37888 kB
DirectMap2M:     4118528 kB