Re: All RAM is being used, swap not being used at all. Linux running slow.

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Hi,

[root@bangpcplin3 network-scripts]# vmstat 1 10
procs -----------memory---------- ---swap-- -----io---- --system--
----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in    cs us sy id
wa
 3  0    144 237088  16676 1997272    0    0     1     1    0     4  2  0
97  0
 2  0    144 232928  16676 1997272    0    0    80     0   26   167  5  1
94  0
 1  1    144 231776  16676 1997272    0    0   128   168   48   155  4  2
93  1
 1  1    144 230544  16676 1997272    0    0   104     0   27   166  5  1
94  0
 2  0    144 228512  16676 1997272    0    0    72     0   23   169  5  1
94  0
 2  0    144 224976  16676 1997272    0    0    88     0   26   244  5  1
94  0
 2  0    144 221584  16676 1997272    0    0    56     0   16   137  5  1
94  0
 2  0    144 219536  16676 1997272    0    0    40     0   16   145  5  1
94  0
 2  0    144 217040  16676 1997272    0    0    96     0   26   149  5  1
94  0
 1  1    144 214544  16676 1997788    0    0   124     0   34   182  5  1
94  1
[root@bangpcplin3 network-scripts]#


[root@bangpcplin3 network-scripts]# sar -B 1 10
Linux 2.6.9-5.EL (bangpcplin3)  12/22/2005

09:45:53 AM  pgpgin/s pgpgout/s   fault/s  majflt/s
09:45:54 AM      0.00      0.00    725.25      0.00
09:45:55 AM      0.00      0.00    208.91      0.00

09:45:55 AM  pgpgin/s pgpgout/s   fault/s  majflt/s
09:45:56 AM     20.00      4.00    518.00      0.00

09:45:56 AM  pgpgin/s pgpgout/s   fault/s  majflt/s
09:45:57 AM     16.00      0.00    178.00      0.00

09:45:57 AM  pgpgin/s pgpgout/s   fault/s  majflt/s
09:45:58 AM     15.84      0.00    193.07      0.00

09:45:58 AM  pgpgin/s pgpgout/s   fault/s  majflt/s
09:45:59 AM      0.00      0.00    228.71      0.00

09:45:59 AM  pgpgin/s pgpgout/s   fault/s  majflt/s
09:46:00 AM      4.00      0.00    436.00      0.00
09:46:01 AM      8.00      0.00    523.00      0.00

09:46:01 AM  pgpgin/s pgpgout/s   fault/s  majflt/s
09:46:02 AM     83.17      0.00    447.52      0.00

09:46:02 AM  pgpgin/s pgpgout/s   fault/s  majflt/s
09:46:03 AM     11.88      0.00    433.66      0.00
Average:        15.94      0.40    388.45      0.00


[root@bangpcplin3 network-scripts]# sar -W 1 10
Linux 2.6.9-5.EL (bangpcplin3)  12/22/2005

09:46:26 AM  pswpin/s pswpout/s
09:46:27 AM      0.00      0.00
09:46:28 AM      0.00      0.00

09:46:28 AM  pswpin/s pswpout/s
09:46:29 AM      0.00      0.00

09:46:29 AM  pswpin/s pswpout/s
09:46:30 AM      0.00      0.00

09:46:30 AM  pswpin/s pswpout/s
09:46:31 AM      0.00      0.00

09:46:31 AM  pswpin/s pswpout/s
09:46:32 AM      0.00      0.00

09:46:32 AM  pswpin/s pswpout/s
09:46:33 AM      0.00      0.00
09:46:34 AM      0.00      0.00

09:46:34 AM  pswpin/s pswpout/s
09:46:35 AM      0.00      0.00

09:46:35 AM  pswpin/s pswpout/s
09:46:36 AM      0.00      0.00
Average:         0.00      0.00



[root@bangpcplin3 network-scripts]# iostat -x 1
Linux 2.6.9-5.EL (bangpcplin3)  12/22/2005

avg-cpu:  %user   %nice    %sys %iowait   %idle
           2.46    0.00    0.36    0.02   97.15

Device:    rrqm/s wrqm/s   r/s   w/s  rsec/s  wsec/s    rkB/s    wkB/s
avgrq-sz avgqu-sz   await  svctm  %util
sda          0.04   0.97  1.27  1.10   42.28   94.26    21.14    47.13
57.75     0.10   41.43   5.81   1.37
sdb          0.06   0.06  0.14  0.22    5.44    2.39     2.72     1.20
21.47     0.01   28.94   7.62   0.28

avg-cpu:  %user   %nice    %sys %iowait   %idle
           5.51    0.00    0.52    0.23   93.74

Device:    rrqm/s wrqm/s   r/s   w/s  rsec/s  wsec/s    rkB/s    wkB/s
avgrq-sz avgqu-sz   await  svctm  %util
sda          0.00   0.00  7.92  0.00   63.37    0.00    31.68     0.00
8.00     0.10   12.12  12.12   9.60
sdb          0.00   0.00  0.99  0.00    0.00    0.00     0.00     0.00
0.00     0.02   39.00  20.00   1.98

avg-cpu:  %user   %nice    %sys %iowait   %idle
           5.59    0.00    0.44    0.21   93.76

Device:    rrqm/s wrqm/s   r/s   w/s  rsec/s  wsec/s    rkB/s    wkB/s
avgrq-sz avgqu-sz   await  svctm  %util
sda          0.00   0.00  5.00 10.00   40.00  112.00    20.00    56.00
10.13     0.31   20.93   6.87  10.30
sdb          0.00   0.00  0.00  0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
[root@bangpcplin3 network-scripts]# cat /proc/meminfo
MemTotal:      3595048 kB
MemFree:        128072 kB
Buffers:         16740 kB
Cached:        2017848 kB
SwapCached:          0 kB
Active:        1340824 kB
Inactive:      1906264 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      3595048 kB
LowFree:        128072 kB
SwapTotal:     3148700 kB
SwapFree:      3148556 kB
Dirty:            6504 kB
Writeback:           0 kB
Mapped:        1227656 kB
Slab:           198172 kB
Committed_AS:  5080108 kB
PageTables:       5248 kB
VmallocTotal: 2147483647 kB
VmallocUsed:      3308 kB
VmallocChunk: 2147479631 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:    16384 kB


[root@bangpcplin3 network-scripts]# sar -r 1 10
Linux 2.6.9-5.EL (bangpcplin3)  12/22/2005

09:48:07 AM kbmemfree kbmemused  %memused kbbuffers  kbcached kbswpfree
kbswpused  %swpused  kbswpcad
09:48:08 AM    116336   3478712     96.76     16740   2017848
3148556       144      0.00         0
09:48:09 AM    114736   3480312     96.81     16740   2017848
3148556       144      0.00         0

09:48:09 AM kbmemfree kbmemused  %memused kbbuffers  kbcached kbswpfree
kbswpused  %swpused  kbswpcad
09:48:10 AM    113584   3481464     96.84     16740   2017848
3148556       144      0.00         0

09:48:10 AM kbmemfree kbmemused  %memused kbbuffers  kbcached kbswpfree
kbswpused  %swpused  kbswpcad
09:48:11 AM    113264   3481784     96.85     16740   2017848
3148556       144      0.00         0

09:48:11 AM kbmemfree kbmemused  %memused kbbuffers  kbcached kbswpfree
kbswpused  %swpused  kbswpcad
09:48:12 AM    113024   3482024     96.86     16740   2017848
3148556       144      0.00         0

09:48:12 AM kbmemfree kbmemused  %memused kbbuffers  kbcached kbswpfree
kbswpused  %swpused  kbswpcad
09:48:13 AM    111872   3483176     96.89     16740   2017848
3148556       144      0.00         0

09:48:13 AM kbmemfree kbmemused  %memused kbbuffers  kbcached kbswpfree
kbswpused  %swpused  kbswpcad
09:48:14 AM    111552   3483496     96.90     16740   2017848
3148556       144      0.00         0
09:48:15 AM    110176   3484872     96.94     16740   2018364
3148556       144      0.00         0

09:48:15 AM kbmemfree kbmemused  %memused kbbuffers  kbcached kbswpfree
kbswpused  %swpused  kbswpcad
09:48:16 AM    102176   3492872     97.16     16740   2018364
3148556       144      0.00         0

09:48:16 AM kbmemfree kbmemused  %memused kbbuffers  kbcached kbswpfree
kbswpused  %swpused  kbswpcad
09:48:17 AM    100832   3494216     97.20     16740   2018364
3148556       144      0.00         0
Average:       110755   3484293     96.92     16740   2018003
3148556       144      0.00         0



[root@bangpcplin3 network-scripts]# sar 1 10
Linux 2.6.9-5.EL (bangpcplin3)  12/22/2005

09:48:36 AM       CPU     %user     %nice   %system   %iowait     %idle
09:48:37 AM       all      4.77      0.00      1.23      0.20     93.79
09:48:38 AM       all      4.89      0.00      1.11      0.15     93.85

09:48:38 AM       CPU     %user     %nice   %system   %iowait     %idle
09:48:39 AM       all      5.12      0.00      0.99      0.00     93.89

09:48:39 AM       CPU     %user     %nice   %system   %iowait     %idle
09:48:40 AM       all      7.83      0.00      0.96      0.00     91.21

09:48:40 AM       CPU     %user     %nice   %system   %iowait     %idle
09:48:41 AM       all      4.57      0.00      1.52      0.09     93.81

09:48:41 AM       CPU     %user     %nice   %system   %iowait     %idle
09:48:42 AM       all      8.34      0.00      1.20      0.06     90.40

09:48:42 AM       CPU     %user     %nice   %system   %iowait     %idle
09:48:43 AM       all      4.67      0.00      1.44      0.44     93.45
09:48:44 AM       all      4.02      0.00      1.85      0.35     93.78

09:48:44 AM       CPU     %user     %nice   %system   %iowait     %idle
09:48:45 AM       all      4.91      0.00      1.14      0.20     93.75

09:48:45 AM       CPU     %user     %nice   %system   %iowait     %idle
09:48:46 AM       all      3.81      0.00      2.46      0.44     93.29
Average:          all      5.29      0.00      1.39      0.19     93.12


Thanks & Regards,
-GnanaShekar-

On 12/22/05, Tolga Evren <tolgae@xxxxxxxxxxx> wrote:
>
> Can you send :
>
> Vmstat 1 10
>
> sar -B 1 10
>
> sar -W 1 10
>
> iostat -x 1
>
> cat /proc/meminfo
>
> sar -r 1 10
>
> sar 1 10
>
> ?
>
> Kind Regards,
> Tolga Evren
>
>
>
> -----Original Message-----
> From: redhat-list-bounces@xxxxxxxxxx
> [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of unix syzadmin
> Sent: Thursday, December 22, 2005 11:33 AM
> To: redhat-list@xxxxxxxxxx
> Subject: All RAM is being used,swap not being used at all. Linux running
> slow.
>
> Hi,
>
> All RAM is being used, swap not being used at all.  Linux running slow,
> Please suggest.
>
> # free -m
>                   total       used       free     shared    buffers
> cached
> Mem:          3510       3506          4          0         15
> 2511
> -/+ buffers/cache:        979       2531
> Swap:         3074          0       3074
>
> Thanks & Regards,
> -GnanaShekar-
> --
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