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10<TITLE>Installing and Running mod_log_sql</TITLE>
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51<P>
52<H1 ALIGN="CENTER">Installing and Running mod_log_sql</H1>
53<P ALIGN="CENTER"><STRONG>Christopher Powell, &lt;chris@grubbybaby.com&gt; </STRONG></P>
54<BR><HR>
55<!--Table of Child-Links-->
56<A NAME="CHILD_LINKS"></A>
57
58<UL>
59<LI><A NAME="tex2html8"
60 HREF="node1.html">Contents</A>
61<LI><A NAME="tex2html9"
62 HREF="node2.html">1 Introduction</A>
63<UL>
64<LI><A NAME="tex2html10"
65 HREF="node2.html#SECTION00021000000000000000">1.1 Homepage </A>
66<LI><A NAME="tex2html11"
67 HREF="node2.html#SECTION00022000000000000000">1.2 Summary</A>
68<LI><A NAME="tex2html12"
69 HREF="node2.html#SECTION00023000000000000000">1.3 Approach</A>
70<LI><A NAME="tex2html13"
71 HREF="node2.html#SECTION00024000000000000000">1.4 What gets logged by default? </A>
72<LI><A NAME="tex2html14"
73 HREF="node2.html#SECTION00025000000000000000">1.5 Miscellaneous Notes</A>
74<LI><A NAME="tex2html15"
75 HREF="node2.html#SECTION00026000000000000000">1.6 Author / Maintainer</A>
76</UL>
77<BR>
78<LI><A NAME="tex2html16"
79 HREF="node3.html">2 Installation</A>
80<UL>
81<LI><A NAME="tex2html17"
82 HREF="node3.html#SECTION00031000000000000000">2.1 Requirements</A>
83<LI><A NAME="tex2html18"
84 HREF="node3.html#SECTION00032000000000000000">2.2 Platform-specific notes</A>
85<UL>
86<LI><A NAME="tex2html19"
87 HREF="node3.html#SECTION00032100000000000000">2.2.1 Solaris</A>
88<LI><A NAME="tex2html20"
89 HREF="node3.html#SECTION00032200000000000000">2.2.2 BSD</A>
90<LI><A NAME="tex2html21"
91 HREF="node3.html#SECTION00032300000000000000">2.2.3 Win32</A>
92</UL>
93<LI><A NAME="tex2html22"
94 HREF="node3.html#SECTION00033000000000000000">2.3 Do I want a DSO or a static module?</A>
95<LI><A NAME="tex2html23"
96 HREF="node3.html#SECTION00034000000000000000">2.4 Installation as an Apache DSO (Preferred) </A>
97<LI><A NAME="tex2html24"
98 HREF="node3.html#SECTION00035000000000000000">2.5 Installation as a static module compiled into
99httpd</A>
100</UL>
101<BR>
102<LI><A NAME="tex2html25"
103 HREF="node4.html">3 Configuration</A>
104<UL>
105<LI><A NAME="tex2html26"
106 HREF="node4.html#SECTION00041000000000000000">3.1 Preparing MySQL for logging</A>
107<LI><A NAME="tex2html27"
108 HREF="node4.html#SECTION00042000000000000000">3.2 A very basic logging setup in Apache</A>
109<LI><A NAME="tex2html28"
110 HREF="node4.html#SECTION00043000000000000000">3.3 Testing the basic setup</A>
111<LI><A NAME="tex2html29"
112 HREF="node4.html#SECTION00044000000000000000">3.4 How to tune logging with run-time directives</A>
113<UL>
114<LI><A NAME="tex2html30"
115 HREF="node4.html#SECTION00044100000000000000">3.4.1 Instructing the module what to log</A>
116<LI><A NAME="tex2html31"
117 HREF="node4.html#SECTION00044200000000000000">3.4.2 Instructing the module what NOT to log using filtering
118directives</A>
119</UL>
120<LI><A NAME="tex2html32"
121 HREF="node4.html#SECTION00045000000000000000">3.5 Advanced logging scenarios</A>
122<UL>
123<LI><A NAME="tex2html33"
124 HREF="node4.html#SECTION00045100000000000000">3.5.1 Using the module in an ISP environment</A>
125<LI><A NAME="tex2html34"
126 HREF="node4.html#SECTION00045200000000000000">3.5.2 Logging many-to-one data in separate tables</A>
127<LI><A NAME="tex2html35"
128 HREF="node4.html#SECTION00045300000000000000">3.5.3 Using the same database for production and test</A>
129<LI><A NAME="tex2html36"
130 HREF="node4.html#SECTION00045400000000000000">3.5.4 Optimizing for a busy database</A>
131</UL>
132<LI><A NAME="tex2html37"
133 HREF="node4.html#SECTION00046000000000000000">3.6 Configuration directive reference</A>
134<UL>
135<LI><A NAME="tex2html38"
136 HREF="node4.html#SECTION00046100000000000000">3.6.1 LogSQLCookieLogTable</A>
137<LI><A NAME="tex2html39"
138 HREF="node4.html#SECTION00046200000000000000">3.6.2 LogSQLCreateTables</A>
139<LI><A NAME="tex2html40"
140 HREF="node4.html#SECTION00046300000000000000">3.6.3 LogSQLDatabase </A>
141<LI><A NAME="tex2html41"
142 HREF="node4.html#SECTION00046400000000000000">3.6.4 LogSQLForcePreserve</A>
143<LI><A NAME="tex2html42"
144 HREF="node4.html#SECTION00046500000000000000">3.6.5 LogSQLHeadersInLogTable</A>
145<LI><A NAME="tex2html43"
146 HREF="node4.html#SECTION00046600000000000000">3.6.6 LogSQLHeadersOutLogTable</A>
147<LI><A NAME="tex2html44"
148 HREF="node4.html#SECTION00046700000000000000">3.6.7 LogSQLLoginInfo </A>
149<LI><A NAME="tex2html45"
150 HREF="node4.html#SECTION00046800000000000000">3.6.8 LogSQLMachineID</A>
151<LI><A NAME="tex2html46"
152 HREF="node4.html#SECTION00046900000000000000">3.6.9 LogSQLMassVirtualHosting</A>
153<LI><A NAME="tex2html47"
154 HREF="node4.html#SECTION000461000000000000000">3.6.10 LogSQLNotesLogTable</A>
155<LI><A NAME="tex2html48"
156 HREF="node4.html#SECTION000461100000000000000">3.6.11 LogSQLPreserveFile</A>
157<LI><A NAME="tex2html49"
158 HREF="node4.html#SECTION000461200000000000000">3.6.12 LogSQLRemhostIgnore</A>
159<LI><A NAME="tex2html50"
160 HREF="node4.html#SECTION000461300000000000000">3.6.13 LogSQLRequestAccept</A>
161<LI><A NAME="tex2html51"
162 HREF="node4.html#SECTION000461400000000000000">3.6.14 LogSQLRequestIgnore</A>
163<LI><A NAME="tex2html52"
164 HREF="node4.html#SECTION000461500000000000000">3.6.15 LogSQLSocketFile </A>
165<LI><A NAME="tex2html53"
166 HREF="node4.html#SECTION000461600000000000000">3.6.16 LogSQLTCPPort</A>
167<LI><A NAME="tex2html54"
168 HREF="node4.html#SECTION000461700000000000000">3.6.17 LogSQLTransferLogFormat </A>
169<LI><A NAME="tex2html55"
170 HREF="node4.html#SECTION000461800000000000000">3.6.18 LogSQLTransferLogTable</A>
171<LI><A NAME="tex2html56"
172 HREF="node4.html#SECTION000461900000000000000">3.6.19 LogSQLWhichCookie</A>
173<LI><A NAME="tex2html57"
174 HREF="node4.html#SECTION000462000000000000000">3.6.20 LogSQLWhichCookies</A>
175<LI><A NAME="tex2html58"
176 HREF="node4.html#SECTION000462100000000000000">3.6.21 LogSQLWhichHeadersIn</A>
177<LI><A NAME="tex2html59"
178 HREF="node4.html#SECTION000462200000000000000">3.6.22 LogSQLWhichHeadersOut</A>
179<LI><A NAME="tex2html60"
180 HREF="node4.html#SECTION000462300000000000000">3.6.23 LogSQLWhichNotes</A>
181</UL>
182</UL>
183<BR>
184<LI><A NAME="tex2html61"
185 HREF="node5.html">4 FAQ</A>
186<UL>
187<LI><A NAME="tex2html62"
188 HREF="node5.html#SECTION00051000000000000000">4.1 General module questions</A>
189<UL>
190<LI><A NAME="tex2html63"
191 HREF="node5.html#SECTION00051100000000000000">4.1.1 Why log to an SQL database?</A>
192<LI><A NAME="tex2html64"
193 HREF="node5.html#SECTION00051200000000000000">4.1.2 Why use MySQL? Are there alternatives?</A>
194<LI><A NAME="tex2html65"
195 HREF="node5.html#SECTION00051300000000000000">4.1.3 Is this code production-ready?</A>
196<LI><A NAME="tex2html66"
197 HREF="node5.html#SECTION00051400000000000000">4.1.4 Who's using mod_log_sql?</A>
198<LI><A NAME="tex2html67"
199 HREF="node5.html#SECTION00051500000000000000">4.1.5 Why doesn't the module also replace the Apache ErrorLog?</A>
200<LI><A NAME="tex2html68"
201 HREF="node5.html#SECTION00051600000000000000">4.1.6 Does mod_log_sql work with Apache 2.x?</A>
202<LI><A NAME="tex2html69"
203 HREF="node5.html#SECTION00051700000000000000">4.1.7 Does mod_log_sql connect to MySQL via TCP/IP or a socket?</A>
204<LI><A NAME="tex2html70"
205 HREF="node5.html#SECTION00051800000000000000">4.1.8 I have discovered a bug. Who can I contact?</A>
206</UL>
207<LI><A NAME="tex2html71"
208 HREF="node5.html#SECTION00052000000000000000">4.2 Problems</A>
209<UL>
210<LI><A NAME="tex2html72"
211 HREF="node5.html#SECTION00052100000000000000">4.2.1 Apache segfaults when using PHP and mod_log_sql</A>
212<LI><A NAME="tex2html73"
213 HREF="node5.html#SECTION00052200000000000000">4.2.2 Apache appears to start up fine, but nothing
214is getting logged in the database</A>
215<LI><A NAME="tex2html74"
216 HREF="node5.html#SECTION00052300000000000000">4.2.3 Why do I get the message ``insufficient configuration info to
217establish database link'' in my Apache error log?</A>
218<LI><A NAME="tex2html75"
219 HREF="node5.html#SECTION00052400000000000000">4.2.4 My database cannot handle all the open connections from mod_log_sql,
220is there anything I can do?</A>
221<LI><A NAME="tex2html76"
222 HREF="node5.html#SECTION00052500000000000000">4.2.5 Why do I occasionally see a ``lost connection to MySQL server''
223message in my Apache error log?</A>
224</UL>
225<LI><A NAME="tex2html77"
226 HREF="node5.html#SECTION00053000000000000000">4.3 Performance and Tuning</A>
227<UL>
228<LI><A NAME="tex2html78"
229 HREF="node5.html#SECTION00053100000000000000">4.3.1 How well does it perform?</A>
230<LI><A NAME="tex2html79"
231 HREF="node5.html#SECTION00053200000000000000">4.3.2 Do I need to be worried about all the running MySQL children? Will
232holding open <I>n</I> Apache-to-MySQL connections consume a lot of
233memory? </A>
234<LI><A NAME="tex2html80"
235 HREF="node5.html#SECTION00053300000000000000">4.3.3 My webserver cannot handle all the traffic that my site receives,
236is there anything I can do?</A>
237<LI><A NAME="tex2html81"
238 HREF="node5.html#SECTION00053400000000000000">4.3.4 What is the issue with activating delayed
239inserts?</A>
240</UL>
241<LI><A NAME="tex2html82"
242 HREF="node5.html#SECTION00054000000000000000">4.4 ``How do I...?'' - accomplishing certain tasks</A>
243<UL>
244<LI><A NAME="tex2html83"
245 HREF="node5.html#SECTION00054100000000000000">4.4.1 I am using LogSQLMassVirtualHosting, and sometimes a single VirtualHost
246gets logged to two different tables. How do I prevent that?</A>
247<LI><A NAME="tex2html84"
248 HREF="node5.html#SECTION00054200000000000000">4.4.2 How do I extract the data in a format that my analysis tool can understand?</A>
249<LI><A NAME="tex2html85"
250 HREF="node5.html#SECTION00054300000000000000">4.4.3 How can I log mod_usertrack cookies?</A>
251<LI><A NAME="tex2html86"
252 HREF="node5.html#SECTION00054400000000000000">4.4.4 What if I want to log more than one cookie? What is the difference
253between LogSQLWhichCookie and LogSQLWhichCookies?</A>
254<LI><A NAME="tex2html87"
255 HREF="node5.html#SECTION00054500000000000000">4.4.5 What are the SSL logging features, and how do I activate them?</A>
256</UL>
257</UL>
258<BR>
259<LI><A NAME="tex2html88"
260 HREF="node6.html">About this document ...</A>
261</UL>
262<!--End of Table of Child-Links-->
263<BR><HR>
264<ADDRESS>
265Chris Powell
2662002-12-18
267</ADDRESS>
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