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| author | Jelmer Vernooij <jelmer@samba.org> | 2002-11-05 21:41:04 +0000 |
|---|---|---|
| committer | Jelmer Vernooij <jelmer@samba.org> | 2002-11-05 21:41:04 +0000 |
| commit | 09fb00c629ed81b25c97a5eb74df4e03c92145ea (patch) | |
| tree | e1f670baf1119be63c39d752189837de40caa249 /docs/htmldocs/speed.html | |
| parent | 87124fc4039877714b0f7a31a1d03a14bf7708e1 (diff) | |
| download | samba-09fb00c629ed81b25c97a5eb74df4e03c92145ea.tar.gz samba-09fb00c629ed81b25c97a5eb74df4e03c92145ea.tar.bz2 samba-09fb00c629ed81b25c97a5eb74df4e03c92145ea.zip | |
'make everything' in docs
(This used to be commit 960082d860c36419c63094be778decdadb061c1d)
Diffstat (limited to 'docs/htmldocs/speed.html')
| -rw-r--r-- | docs/htmldocs/speed.html | 111 |
1 files changed, 59 insertions, 52 deletions
diff --git a/docs/htmldocs/speed.html b/docs/htmldocs/speed.html index 047929af48..9df2a6d6af 100644 --- a/docs/htmldocs/speed.html +++ b/docs/htmldocs/speed.html @@ -9,12 +9,15 @@ CONTENT="Modular DocBook HTML Stylesheet Version 1.77"><LINK REL="HOME" TITLE="SAMBA Project Documentation" HREF="samba-howto-collection.html"><LINK +REL="UP" +TITLE="Optional configuration" +HREF="p1346.html"><LINK REL="PREVIOUS" -TITLE="Quick Cross Subnet Browsing / Cross Workgroup Browsing guide" -HREF="browsing-quick.html"><LINK +TITLE="Group mapping HOWTO" +HREF="groupmapping.html"><LINK REL="NEXT" -TITLE="HOWTO Access Samba source code via CVS" -HREF="cvs-access.html"></HEAD +TITLE="Appendixes" +HREF="p3106.html"></HEAD ><BODY CLASS="CHAPTER" BGCOLOR="#FFFFFF" @@ -42,7 +45,7 @@ WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A -HREF="browsing-quick.html" +HREF="groupmapping.html" ACCESSKEY="P" >Prev</A ></TD @@ -56,7 +59,7 @@ WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A -HREF="cvs-access.html" +HREF="p3106.html" ACCESSKEY="N" >Next</A ></TD @@ -71,15 +74,15 @@ CLASS="CHAPTER" ><A NAME="SPEED" ></A ->Chapter 17. Samba performance issues</H1 +>Chapter 22. Samba performance issues</H1 ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2742" +NAME="AEN2982" ></A ->17.1. Comparisons</H1 +>22.1. Comparisons</H1 ><P >The Samba server uses TCP to talk to the client. Thus if you are trying to see if it performs well you should really compare it to @@ -108,17 +111,17 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2748" +NAME="AEN2988" ></A ->17.2. Oplocks</H1 +>22.2. Oplocks</H1 ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A -NAME="AEN2750" +NAME="AEN2990" ></A ->17.2.1. Overview</H2 +>22.2.1. Overview</H2 ><P >Oplocks are the way that SMB clients get permission from a server to locally cache file operations. If a server grants an oplock @@ -152,9 +155,9 @@ CLASS="SECT2" ><H2 CLASS="SECT2" ><A -NAME="AEN2758" +NAME="AEN2998" ></A ->17.2.2. Level2 Oplocks</H2 +>22.2.2. Level2 Oplocks</H2 ><P >With Samba 2.0.5 a new capability - level2 (read only) oplocks is supported (although the option is off by default - see the smb.conf @@ -176,9 +179,9 @@ CLASS="SECT2" ><H2 CLASS="SECT2" ><A -NAME="AEN2764" +NAME="AEN3004" ></A ->17.2.3. Old 'fake oplocks' option - deprecated</H2 +>22.2.3. Old 'fake oplocks' option - deprecated</H2 ><P >Samba can also fake oplocks, by granting a oplock whenever a client asks for one. This is controlled using the smb.conf option "fake @@ -197,9 +200,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2768" +NAME="AEN3008" ></A ->17.3. Socket options</H1 +>22.3. Socket options</H1 ><P >There are a number of socket options that can greatly affect the performance of a TCP based server like Samba.</P @@ -225,9 +228,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2775" +NAME="AEN3015" ></A ->17.4. Read size</H1 +>22.4. Read size</H1 ><P >The option "read size" affects the overlap of disk reads/writes with network reads/writes. If the amount of data being transferred in @@ -251,9 +254,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2780" +NAME="AEN3020" ></A ->17.5. Max xmit</H1 +>22.5. Max xmit</H1 ><P >At startup the client and server negotiate a "maximum transmit" size, which limits the size of nearly all SMB commands. You can set the @@ -274,9 +277,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2785" +NAME="AEN3025" ></A ->17.6. Locking</H1 +>22.6. Locking</H1 ><P >By default Samba does not implement strict locking on each read/write call (although it did in previous versions). If you enable strict @@ -291,9 +294,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2789" +NAME="AEN3029" ></A ->17.7. Share modes</H1 +>22.7. Share modes</H1 ><P >Some people find that opening files is very slow. This is often because of the "share modes" code needed to fully implement the dos @@ -321,9 +324,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2794" +NAME="AEN3034" ></A ->17.8. Log level</H1 +>22.8. Log level</H1 ><P >If you set the log level (also known as "debug level") higher than 2 then you may suffer a large drop in performance. This is because the @@ -335,9 +338,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2797" +NAME="AEN3037" ></A ->17.9. Wide lines</H1 +>22.9. Wide lines</H1 ><P >The "wide links" option is now enabled by default, but if you disable it (for better security) then you may suffer a performance hit in @@ -349,9 +352,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2800" +NAME="AEN3040" ></A ->17.10. Read raw</H1 +>22.10. Read raw</H1 ><P >The "read raw" operation is designed to be an optimised, low-latency file read operation. A server may choose to not support it, @@ -371,9 +374,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2805" +NAME="AEN3045" ></A ->17.11. Write raw</H1 +>22.11. Write raw</H1 ><P >The "write raw" operation is designed to be an optimised, low-latency file write operation. A server may choose to not support it, @@ -388,9 +391,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2809" +NAME="AEN3049" ></A ->17.12. Read prediction</H1 +>22.12. Read prediction</H1 ><P >Samba can do read prediction on some of the SMB commands. Read prediction means that Samba reads some extra data on the last file it @@ -414,9 +417,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2816" +NAME="AEN3056" ></A ->17.13. Memory mapping</H1 +>22.13. Memory mapping</H1 ><P >Samba supports reading files via memory mapping them. One some machines this can give a large boost to performance, on others it @@ -435,9 +438,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2821" +NAME="AEN3061" ></A ->17.14. Slow Clients</H1 +>22.14. Slow Clients</H1 ><P >One person has reported that setting the protocol to COREPLUS rather than LANMAN2 gave a dramatic speed improvement (from 10k/s to 150k/s).</P @@ -452,9 +455,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2825" +NAME="AEN3065" ></A ->17.15. Slow Logins</H1 +>22.15. Slow Logins</H1 ><P >Slow logins are almost always due to the password checking time. Using the lowest practical "password level" will improve things a lot. You @@ -465,9 +468,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2828" +NAME="AEN3068" ></A ->17.16. Client tuning</H1 +>22.16. Client tuning</H1 ><P >Often a speed problem can be traced to the client. The client (for example Windows for Workgroups) can often be tuned for better TCP @@ -569,9 +572,9 @@ CLASS="SECT1" ><H1 CLASS="SECT1" ><A -NAME="AEN2860" +NAME="AEN3100" ></A ->17.17. My Results</H1 +>22.17. My Results</H1 ><P >Some people want to see real numbers in a document like this, so here they are. I have a 486sx33 client running WfWg 3.11 with the 3.11b @@ -610,7 +613,7 @@ WIDTH="33%" ALIGN="left" VALIGN="top" ><A -HREF="browsing-quick.html" +HREF="groupmapping.html" ACCESSKEY="P" >Prev</A ></TD @@ -628,7 +631,7 @@ WIDTH="33%" ALIGN="right" VALIGN="top" ><A -HREF="cvs-access.html" +HREF="p3106.html" ACCESSKEY="N" >Next</A ></TD @@ -638,17 +641,21 @@ ACCESSKEY="N" WIDTH="33%" ALIGN="left" VALIGN="top" ->Quick Cross Subnet Browsing / Cross Workgroup Browsing guide</TD +>Group mapping HOWTO</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" -> </TD +><A +HREF="p1346.html" +ACCESSKEY="U" +>Up</A +></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ->HOWTO Access Samba source code via CVS</TD +>Appendixes</TD ></TR ></TABLE ></DIV |