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[Troubleshooting] Gathering system baseline resource usage for IO performance issues

Knowledge Article updated on 30 Nov 2015, 7:22 PM GMT - 8 -

4.5

Red Hat Enterprise Linux
Why does iostat and sar -d sometimes output incorrect results?

KCS Solution updated on 12 Nov 2015, 6:42 PM GMT - 3 -

0

Red Hat Enterprise Linux
sar -d コマンドを実行すると、"Requested activities not available in file" エラーになる理由

KCS Solution updated on 21 Oct 2015, 3:03 AM GMT - 0 -

0

Red Hat Enterprise Linux
sar command output the result at the invalid interval

KCS Solution updated on 15 Oct 2015, 4:36 AM GMT - 0 -

0

Red Hat Enterprise Linux
SAR data is not being captured

KCS Solution updated on 28 Sep 2015, 1:10 AM GMT - 0 -

0

Red Hat Enterprise Linux
kSar not working with sar files from Red Hat Enterprise Linux 6.5 onwards

KCS Solution updated on 09 Sep 2015, 9:49 AM GMT - 1 -

0

Red Hat Enterprise Linux
sar および mpstat コマンドの `%iowait` 値が正常ではない

KCS Solution updated on 30 Jul 2015, 11:53 PM GMT - 0 -

0

Red Hat Enterprise Linux
sar が無効なシステムアクティビティファイルを生成する

KCS Solution updated on 21 Jul 2015, 3:21 AM GMT - 0 -

0

Red Hat Enterprise Linux
"/usr/lib/sa/sa1 1 1 Cannot write data to system activity file: No space left on device"

KCS Solution updated on 14 Jul 2015, 9:14 AM GMT - 2 -

0

Red Hat Enterprise Linux
sysstat の cron が /usr/lib64/sa/sa2 のエラーを報告する

KCS Solution updated on 07 Jul 2015, 12:46 AM GMT - 0 -

0

Red Hat Enterprise Linux
Can I get sar data for tape device?

KCS Solution updated on 01 Jul 2015, 6:50 AM GMT - 0 -

0

Red Hat Enterprise Linux
The old sysstat cron job continues running in parallel with the new one.

KCS Solution updated on 17 Jun 2015, 1:33 AM GMT - 0 -

0

Red Hat Enterprise Linux
Why 'sar -dp' command output shows 'nodev' for certain devices?

KCS Solution updated on 04 Jun 2015, 2:33 PM GMT - 1 -

0

Red Hat Enterprise Linux
ページスラッシングが起こらないようにする方法

KCS Solution updated on 22 May 2015, 9:08 AM GMT - 0 -

0

Red Hat Enterprise Linux
KVM VM vCPU を 1 から 2 に増やすと sar コマンドが "Invalid system activity file: /var/log/sa/saXX" エラーを返す

KCS Solution updated on 19 May 2015, 1:40 AM GMT - 0 -

0

Red Hat Enterprise Linux
CPU usage computation using PCP framework

KCS Solution updated on 16 Mar 2015, 9:30 AM GMT - 0 -

0

Red Hat Enterprise Linux
Log files are flooded with messages "get_unused_fd: slot 0 not NULL!"

KCS Solution updated on 07 Jan 2015, 9:53 AM GMT - 0 -

0

Red Hat Enterprise Linux
Why does sar not able to interpret sar files in Red Hat Enterprise Linux 6?

KCS Solution updated on 05 Jan 2015, 10:18 PM GMT - 0 -

0

Red Hat Enterprise Linux
Sar data appended to previous month's file

KCS Solution updated on 16 Dec 2014, 2:00 AM GMT - 4 -

5

Red Hat Enterprise Linux
Is it possible to get the sar report of 48 hours instead of 24 hours in a single file?

KCS Solution updated on 12 Dec 2014, 12:35 PM GMT - 0 -

0

Red Hat Enterprise Linux
What is the best way to monitor a system's performance over a long period of time versus short time frames?

KCS Solution updated on 02 Sep 2014, 8:13 AM GMT - 4 -

0

Red Hat Enterprise Linux
What is the unit of bread/s and bwrite/s in sar output?

KCS Solution updated on 01 Aug 2014, 1:51 AM GMT - 0 -

0

Red Hat Enterprise Linux
Trying to find pidstat

KCS Solution updated on 31 Jul 2014, 10:39 PM GMT - 1 -

0

Red Hat Enterprise Linux
sar コマンドオプションと使用例

KCS Solution updated on 23 Jul 2014, 8:26 AM GMT - 0 -

0

Red Hat Enterprise Linux
Cron for sysstat reports error of /usr/lib64/sa/sa2.

KCS Solution updated on 01 Jul 2014, 1:04 AM GMT - 0 -

0

Red Hat Enterprise Linux

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sysstat

[Troubleshooting] Gathering system baseline resource usage for IO performance issues

Why does iostat and sar -d sometimes output incorrect results?

sar -d コマンドを実行すると、"Requested activities not available in file" エラーになる理由

sar command output the result at the invalid interval

SAR data is not being captured

kSar not working with sar files from Red Hat Enterprise Linux 6.5 onwards

sar および mpstat コマンドの `%iowait` 値が正常ではない

sar が無効なシステムアクティビティファイルを生成する

"/usr/lib/sa/sa1 1 1 Cannot write data to system activity file: No space left on device"

sysstat の cron が /usr/lib64/sa/sa2 のエラーを報告する

Can I get sar data for tape device?

The old sysstat cron job continues running in parallel with the new one.

Why 'sar -dp' command output shows 'nodev' for certain devices?

ページスラッシングが起こらないようにする方法

KVM VM vCPU を 1 から 2 に増やすと sar コマンドが "Invalid system activity file: /var/log/sa/saXX" エラーを返す

CPU usage computation using PCP framework

Log files are flooded with messages "get_unused_fd: slot 0 not NULL!"

Why does sar not able to interpret sar files in Red Hat Enterprise Linux 6?

Sar data appended to previous month's file

Is it possible to get the sar report of 48 hours instead of 24 hours in a single file?

What is the best way to monitor a system's performance over a long period of time versus short time frames?

What is the unit of bread/s and bwrite/s in sar output?

Trying to find pidstat

sar コマンドオプションと使用例

Cron for sysstat reports error of /usr/lib64/sa/sa2.

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