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Diffstat (limited to 'docs/Samba3-HOWTO/TOSHARG-Speed.xml')
| -rw-r--r-- | docs/Samba3-HOWTO/TOSHARG-Speed.xml | 52 |
1 files changed, 33 insertions, 19 deletions
diff --git a/docs/Samba3-HOWTO/TOSHARG-Speed.xml b/docs/Samba3-HOWTO/TOSHARG-Speed.xml index c9707552e8..1221eedfb4 100644 --- a/docs/Samba3-HOWTO/TOSHARG-Speed.xml +++ b/docs/Samba3-HOWTO/TOSHARG-Speed.xml @@ -218,28 +218,34 @@ performance. Check the sections on the various clients in A user wrote the following to the mailing list: </para> +<blockquote> <para> -I am running Gentoo on my server and Samba 2.2.8a. Recently -I changed kernel version from <filename>linux-2.4.19-gentoo-r10</filename> to -<filename>linux-2.4.20-wolk4.0s</filename>. And now I have a performance issue with Samba. -Many of you will probably say, <quote>Move to vanilla sources!</quote> -Well, I tried that and it didn't work. I have a 100MB LAN and two computers (Linux and -Windows 2000). The Linux server shares directories with DivX files, the client -(Windows 2000) plays them via LAN. Before, when I was running the 2.4.19 kernel, -everything was fine, but now movies freeze and stop. I tried moving -files between the server and Windows, and it is terribly slow. (John, should this be set off as an extract???????) +<indexterm><primary>Gentoo</primary></indexterm> +<indexterm><primary>slow network</primary></indexterm> +I am running Gentoo on my server and Samba 2.2.8a. Recently I changed kernel version from +<filename>linux-2.4.19-gentoo-r10</filename> to <filename>linux-2.4.20-wolk4.0s</filename>. And now I have a +performance issue with Samba. Many of you will probably say, <quote>Move to vanilla sources!</quote> Well, I +tried that and it didn't work. I have a 100MB LAN and two computers (Linux and Windows 2000). The Linux server +shares directories with DivX files, the client (Windows 2000) plays them via LAN. Before, when I was running +the 2.4.19 kernel, everything was fine, but now movies freeze and stop. I tried moving files between the +server and Windows, and it is terribly slow. </para> +</blockquote> <para> The answer he was given is: </para> +<blockquote> <para> -Grab the mii-tool and check the duplex settings on the NIC. -My guess is that it is a link layer issue, not an application -layer problem. Also run ifconfig and verify that the framing -error, collisions, and so on, look normal for ethernet. (John, should this be set off as an extract???????) +<indexterm><primary>ifconfig</primary></indexterm> +<indexterm><primary>framing error</primary></indexterm> +<indexterm><primary>collisions</primary></indexterm> +Grab the mii-tool and check the duplex settings on the NIC. My guess is that it is a link layer issue, not an +application layer problem. Also run ifconfig and verify that the framing error, collisions, and so on, look +normal for ethernet. </para> +</blockquote> </sect1> @@ -247,12 +253,13 @@ error, collisions, and so on, look normal for ethernet. (John, should this be se <title>Corrupt tdb Files</title> <para> -Our Samba PDC server has been hosting three TB of data to our 500+ users -[Windows NT/XP] for the last three years using Samba without a problem. -Today all shares went very slow. Also, the main smbd kept -spawning new processes, so we had 1600+ running SMDB's (normally we average 250). -It crashed the SUN E3500 cluster twice. After a lot of searching, I -decided to <command>rm /var/locks/*.tdb</command>. Happy again. +<indexterm><primary>PDC</primary></indexterm> +<indexterm><primary>mbd kept spawning</primary></indexterm> +<indexterm><primary>/var/locks/*.tdb</primary></indexterm> +Our Samba PDC server has been hosting three TB of data to our 500+ users [Windows NT/XP] for the last three +years using Samba without a problem. Today all shares went very slow. Also, the main smbd kept spawning new +processes, so we had 1600+ running SMDB's (normally we average 250). It crashed the SUN E3500 cluster twice. +After a lot of searching, I decided to <command>rm /var/locks/*.tdb</command>. Happy again. </para> <para> @@ -261,6 +268,8 @@ how can I detect early corruption? </para> <para> +<indexterm><primary>tdbbackup</primary></indexterm> +<indexterm><primary>nmbd</primary></indexterm> <emphasis>Answer:</emphasis> Yes, run <command>tdbbackup</command> each time after stopping nmbd and before starting nmbd. </para> @@ -279,18 +288,23 @@ a lot lower than before the locks cleanup. Any ideas on keeping it top notch? <title>Samba Performance is Very Slow</title> <para> +<indexterm><primary>slow performance</primary></indexterm> A site reported experiencing very baffling symptoms with MYOB Premier opening and accessing its data files. Some operations on the file would take between 40 and 45 seconds. </para> <para> +<indexterm><primary>printer monitor</primary></indexterm> +<indexterm><primary>pauses</primary></indexterm> It turned out that the printer monitor program running on the Windows clients was causing the problems. From the logs, we saw activity coming through with pauses of about 1 second. </para> <para> +<indexterm><primary>networks access</primary></indexterm> +<indexterm><primary>printing now</primary></indexterm> Stopping the monitor software resulted in the networks access at normal (quick) speed. Restarting the program caused the speed to slow down again. The printer was a Canon LBP-810 and the relevant task was |