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Slow Speeds


Guest Myles Taylor_merged

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Okay, this is my very first experience with IPB as I've always used phpbb before. My friend and I, who both work at an ISP, had an idea for a forum and bought an IPB to run it on. We never had any problems with it but never got it off the ground either.

I had a friend with a rather large forum (500-1000 posts per day, around 300 members) that was running on a free server and decided to move it over to our IPB board (not the database, just the board). We were noticing the board was running slow, so we moved it to a faster server. The board picked up speed dramatically and we opened the board for registration. Of course, activity grew by probably 6 or 7 times and the board started running slowly again. We upgraded to the latest version of IPB and we only have one mod installed (D2 Shoutbox).

We figured we probably need to tweak the php or apache on the Mac server somehow to optimize it for the board. We're not running anything else on the server; only the board is running on it. It's a PowerMac G4 with Dual 1.2 GHz processors, and 4 Gb of ram and a 1 terabyte harddrive.

It's in a data center because we work for the ISP and have the server on site. We have a 90 Meg connection in this data center and the server is on a Gig LAN.

mysql is on a separate server and is running great, so we're pretty sure it's not that. It's most likely php or apache. We've seen load average as high as 11 or 12.

Here is the TOP output from the server:

Processes:  65 total, 3 running, 62 sleeping... 174 threads

18:58:04

Load Avg:  1.98, 1.78, 1.73	 CPU usage:  17.5% user, 13.5% sys, 69.0%

idle

SharedLibs: num =  151, resident = 31.3M code, 3.63M data, 7.98M LinkEdit

MemRegions: num = 11309, resident =  363M + 9.29M private, 50.6M shared

PhysMem:   160M wired,  107M active,  361M inactive,  629M used, 1.39G free

VM: 4.29G + 93.8M   26565(0) pageins, 0(0) pageouts


  PID COMMAND	  %CPU   TIME   #TH #PRTS #MREGS RPRVT  RSHRD  RSIZE  VSIZE

17602 top		 10.8%  0:01.70   1	19	22  1.65M   372K  2.08M  27.0M

17600 sh		   0.0%  0:00.02   1	14	16   192K   820K   820K  27.2M

17596 sshd		 0.0%  0:00.07   1	16	38   284K   696K  1.02M  29.6M

17525 trivial-re   0.0%  0:00.02   1	16	19   196K   436K   744K  26.7M

17013 pickup	   0.0%  0:00.06   1	16	19   200K   424K   736K  26.7M

 3192 System Pro   0.0%  0:00.87   2	87   100  1.90M  9.23M  15.8M   102M

 3162 pmTool	   2.9% 27:32.52   1	23	24   468K   796K  1.33M  36.5M

 3161 Activity M  11.6%  1:53:52   2	73   110  3.91M  10.2M  20.1M   104M

 3158 Timbuktu H   0.0%  0:00.17   1	56	67   836K  5.78M  2.82M  94.1M

 3157 usbmuxd	  0.0%  0:00.01   2	22	23   180K   376K   564K  27.0M

 3156 UniversalA   0.0%  0:00.47   1	63	74   956K  6.12M  3.21M  94.8M

 3155 iTunesHelp   0.0%  0:00.09   2	60	68   568K  5.77M  1.92M  85.4M

 3153 Finder	   0.0%  0:01.87   3   101   129  3.30M  17.3M  10.4M   115M

 3151 SystemUISe   0.0%  0:04.50   2   194   120  1.70M  9.27M  5.21M   103M

 3150 Dock		 0.0%  0:00.68   2	85   101   696K  10.2M  5.54M  71.3M

 3145 pbs		  0.0%  0:00.38   2	39	40   672K  1.99M  5.15M  53.9M

  381 qmgr		 0.0%  0:11.55   1	16	19   236K   468K   768K  26.8M

  283 httpd		0.1%  4:59:57   1	12   146  39.4M  7.86M  42.0M  74.2M

  282 httpd		0.0%  4:56:45   1	12   205   104M  7.86M   107M   134M

  261 httpd		4.8%  5:00:52   1	12   171  40.1M+ 7.86M  42.6M+

75.9M+

  258 httpd		0.0%  5:01:28   1	12   160  52.7M  7.86M  55.2M  88.4M

  255 httpd		0.0%  4:57:35   1	12   146  39.3M  7.86M  41.8M  74.2M

  254 httpd		0.0%  0:33.95   1	10   114   152K  7.86M  3.91M  40.7M

  239 ntpd		 0.0%  0:34.82   1	11	18   180K   504K   344K  26.9M

  237 perl		 0.0%  0:12.84   1	10	42  3.36M   532K  1.13M  29.1M

  228 Timbuktu H   0.3% 24:05.42   8	93   106  1.81M  7.66M  7.73M  94.3M

  210 automount	0.0%  0:00.03   3	40	29   308K   856K  1.04M  28.7M

  206 ntpd		 0.0%  0:36.37   1	11	18   176K   504K   340K  26.9M

  204 pure-ftpd	0.0%  0:00.01   1	15	19   168K   644K   600K  27.7M

  191 serialnumb   0.0%  0:16.14   3	27	32   384K   724K  1.14M  28.3M

  178 Hptsvr	   0.1% 16:13.16   3	13	25   240K  1.00M   580K  28.9M

  168 mds		  0.0%  0:00.07   6	71	47   560K  1.57M  1.84M  40.8M

  157 automount	0.0%  0:00.04   3	42	35   312K   880K  1.09M  29.1M

  154 rpc.lockd	0.0%  0:00.00   1	10	18   108K   356K   196K  26.7M

  145 nfsiod	   0.0%  0:00.00   5	30	25   128K   300K   184K  28.6M

  117 crashrepor   0.0%  0:00.00   1	17	18   120K   308K   204K  26.6M

   95 lookupd	  0.0%  2:15.04   4	40	47   668K   944K  1.39M  29.7M

   84 getty		0.0%  0:01.43   1	14	19   116K   316K   344K  26.6M

   83 loginwindo   0.0%  0:01.20   4   142   141  2.20M  10.9M  6.12M   105M

   82 ATSServer	0.0%  0:00.49   2	71	62   652K  2.16M  1.88M  69.9M

   80 coreservic   0.0%  0:00.59   3	90	95   976K  8.66M  8.60M  39.2M

   68 WindowServ   0.6% 19:43.17   2   145   148  2.24M  11.2M  12.0M   196M

   60 distnoted	0.0%  0:00.07   1	38	20   228K   680K   768K  27.0M

   59 update	   0.0% 11:14.41   1	14	18   128K   304K   220K  26.6M

   55 DirectoryS   0.0%  1:17.06   4	65	94  1.45M  2.35M  1.62M  32.4M

   53 securityd	0.0%  0:02.66   2	97	30   556K  1.10M  3.51M  29.1M

   52 notifyd	  0.0%  0:23.15   2	88	21   204K   340K   468K  27.2M

   51 memberd	  0.0%  0:04.90   3	22	25   332K   336K  2.03M  27.7M

   49 diskarbitr   0.0%  0:00.27   1   101	22   392K   784K  1.03M  27.1M

   48 coreaudiod   0.0%  0:00.32   1	90	31   356K   720K  3.56M  28.1M

   47 configd	  0.0%  1:52.43   3   138	61   532K  1.39M  1.64M  29.0M

   46 master	   0.0%  0:21.35   1	15	20   208K   396K   644K  26.7M

   45 slapd		0.0%  0:16.34   3	35	88  2.18M  2.30M  6.91M   128M

   42 watchdogti   0.0%  0:05.41   1	24	21   176K   692K  2.06M  27.0M

   40 syslogd	  0.0%  0:15.38   1	15	19   176K   332K   432K  26.6M

   39 servermgrd   0.0% 24:24.54   4	57   165  3.66M  4.39M  6.60M  46.0M

   38 PasswordSe   0.0%  0:04.49   9	45	93   616K  1.52M  5.68M  33.6M

   37 netinfod	 0.0%  0:25.06   1	14	22   204K   448K  1.22M  26.9M

   36 mDNSRespon   0.0%  1:38.89   2	32	25   368K   948K  1.12M  27.5M

   35 KernelEven   0.0%  0:00.05   2	22	22   224K   324K  2.06M  27.2M

   34 kdcmond	  0.0%  0:27.99   2	25	21   180K   696K  2.24M  27.1M

   29 kextd		0.0%  0:01.95   2	19	22   668K   708K  1000K  27.6M

   25 dynamic_pa   0.0%  0:00.00   1	12	19   128K   304K   164K  26.6M

	1 launchd	  0.0%  0:09.31   3   196	21   228K   360K   516K  27.7M

	0 kernel_tas   0.5% 59:46.26  39	 2  7554  51.1M	 0K   143M  1.18G

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