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  • Tips on speeding up your Drupal sites | 2bits.com, Inc. - Drupal Performance Tuning and Optimization, Managed Hosting and Consulting
    slow and I have tried many ideas to boost up the speed but none works and finally I found the tips from your site I am proud to claim the fact that it works and now my system is too fast reply It s ironic I came across Submitted by Visitor not verified on Tue 2008 09 16 07 01 It s ironic I came across this article while looking for ideas on improving drupal performance as I work as a sysadmin for a small hosting provider I think your points are well made but they depend on a premise that hosting providers don t care about individual web sites and don t want to provide the best for their clients Maybe that s the case In our case it s not I d say and hope There are actually a couple of good things about using a shared hosting provider reply re avoid shared hosting Submitted by Visitor not verified on Wed 2009 11 18 15 57 I disagree with that and my best performing site is on a shared hosting provider The downside of using a VPS is having to administer the dang thing which means you have to know your stuff Especially considering the number of rogues out there looking for undefended servers to take over e g On my previous VPS there was a constant stream of inbound ssh requests trying to get root access fortunately they never seemed to get in but it s clear that rogues are out there Being a sysadmin can distract one from ones core purpose for running a site A lot here depends on the size of your operation If you re meaning to serve 10 000 visitors an hour then of course you need a well developed server My best performing site that s on shared hosting gets 2000 visits per day and is doing rather well with sub second average page load times The sites on the VPS I m renting have longer average page load times and that s despite many hours gronking around with mysql variables and other nonsense that distracts me from the real purpose of running these sites reply VPS versus shared hosting Submitted by Visitor not verified on Sun 2009 11 29 15 22 The issue that I found with VPSes and Drupal is that Drupal requires quite a bit of memory If you have a few modules turned on particularly i18n a site can easily require more than 256M for Apache PHP alone Throw more than a few simultaneous users at the site and it will start to choke pretty quickly I guess this will get better once you move to 1GB slices but then cost starts ramping up pretty quickly to the point where you might as well have your own dedicated server Kerberos reply Is your Drupal or WordPress site slow Is it suffering from server resources shortages Is it experiencing outages Contact us for Drupal and WordPress Performance Optimization

    Original URL path: http://2bits.com/articles/tips-on-speeding-up-your-drupal-sites.html (2016-05-02)
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  • Tools for Performance Tuning and Optimization | 2bits.com, Inc. - Drupal Performance Tuning and Optimization, Managed Hosting and Consulting
    236 1080 7249 35 9 54 1 1 0 124 61440 38676 1548716 0 0 0 229 888 7829 36 8 54 1 0 0 124 61304 38680 1548848 0 0 6 226 978 7137 47 9 44 0 2 0 124 70392 38688 1548976 0 0 5 583 939 7389 42 8 48 2 0 0 124 70348 38696 1548968 0 0 14 250 826 7412 41 7 52 0 2 0 124 70040 38700 1549100 0 0 8 228 1100 8181 42 7 50 1 1 0 124 64152 38708 1549296 0 0 22 260 1181 6074 32 6 61 2 0 0 124 56868 38712 1549360 0 0 2 282 1034 7218 44 11 44 1 2 0 124 55116 38716 1549560 0 0 2 243 1087 5628 23 7 69 1 Case study before and after using vmstat A case study for how to use vmstat to determine bottlenecks is a relatively busy Drupal site that runs on two large VPSs one for Apache PHP Drupal and the other for the database The Apache VPS had no issues at all but the database VPS was severely loaded before tuning Here is what vmstat said before tuning What is wrong Many things are wrong including High user cpu time us column of 70 80 Low idle time id column 10 15 Low free memory combined with a relatively low cache usage Many processes waiting in the run queue the r column procs memory swap io system cpu r b swpd free buff cache si so bi bo in cs us sy id wa 8 0 560 7408 984 281116 0 0 30 383 147 160 41 6 51 2 8 0 560 7524 984 281116 0 0 0 0 1083 12305 78 11 11 0 9 0 560 7548 984 281116 0 0 5 2 1047 11191 81 11 9 0 9 0 560 6896 984 281636 0 0 194 2426 2600 9378 71 13 10 6 7 0 560 6776 984 282156 0 0 29 170 1262 11739 79 11 10 0 8 0 560 6776 984 282156 0 0 0 449 1176 13187 77 9 13 1 8 0 560 6776 984 282156 0 0 0 0 1112 12271 78 9 13 0 5 0 560 6776 988 282152 0 0 1 83 1239 13453 76 9 14 0 8 0 560 6776 988 282152 0 0 0 472 1156 12706 77 11 12 0 8 0 560 6896 988 282152 0 0 0 1 1084 12147 78 10 12 0 8 0 560 6904 988 282152 0 0 0 2 1122 12272 78 8 14 0 3 1 560 6904 988 282152 0 0 0 36 1007 11444 76 11 13 0 3 0 560 7152 988 282152 0 0 0 59 926 10498 76 13 11 0 8 0 560 7244 988 282152 0 0 0 52 1031 11115 79 10 11 0 9 1 560 7120 988 282152 0 0 0 794 1235 10674 78 11 10 1 8 0 560 6900 984 282156 0 0 423 2464 2535 8873 64 12 17 7 8 0 560 6476 984 282416 0 0 70 526 1510 11515 81 10 9 1 9 0 560 7760 984 281376 0 0 123 534 1404 12478 77 12 9 2 8 0 560 7076 992 282408 0 0 32 228 1309 12573 80 10 10 0 8 0 560 6516 992 283188 0 0 17 71 1197 12585 80 10 10 0 After tuning here is how the server looks Low user cpu time us column 2 5 High idle time id column of 90 or more High free memory and higher cache usage Almost no processes waiting in the run queue the r column procs memory swap io system cpu r b swpd free buff cache si so bi bo in cs us sy id wa 1 0 560 439660 1552 468008 0 0 28 346 34 65 37 5 56 2 0 0 560 439536 1552 468008 0 0 0 614 1081 1275 1 1 95 3 0 0 560 439164 1552 468008 0 0 0 1192 708 841 2 0 94 3 0 0 560 438668 1552 468008 0 0 0 864 1054 1202 1 0 95 4 0 0 560 438668 1552 468008 0 0 0 1004 863 1036 1 0 94 4 0 0 560 438424 1552 468268 0 0 32 917 942 1137 1 0 95 4 0 0 560 438672 1552 468268 0 0 0 1642 785 930 1 0 95 4 0 0 560 438620 1552 468268 0 0 7 996 1087 1349 1 0 94 4 0 0 560 438248 1552 468268 0 0 0 1336 1144 1436 1 0 95 4 0 0 560 438124 1552 468268 0 0 0 737 1091 1334 1 0 95 3 0 0 560 437752 1552 468268 0 0 0 931 1101 1379 1 0 95 3 0 0 560 437752 1552 468268 0 0 0 622 878 1085 1 0 95 3 0 0 560 437380 1552 468268 0 0 0 1244 938 1147 1 0 95 4 0 0 560 437132 1552 468268 0 0 0 1078 909 1073 1 0 94 4 0 0 560 436140 1552 468268 0 0 0 1310 1110 1296 5 0 90 4 0 0 560 435892 1552 468268 0 0 0 473 857 1056 1 0 96 3 0 0 560 435768 1552 468268 0 0 0 1714 1507 1840 2 0 92 6 0 0 560 435768 1552 468268 0 0 0 653 1287 1625 2 0 94 3 Check the vmstat manual page for more details apachetop Apachetop is a command that watches the access log and displays real time statistics Because it continually reads the access log it may put some load on a busy system mtop mtop is a top like utility for monitoring MySQL It provides some important statistics like the number of questions per second

    Original URL path: http://2bits.com/articles/tools-for-performance-tuning-and-optimization.html (2016-05-02)
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  • Tuning the Apache MaxClients parameter | 2bits.com, Inc. - Drupal Performance Tuning and Optimization, Managed Hosting and Consulting
    apache 16 0 402m 86m 23m S 10 7 1 1 0 01 67 httpd 20811 apache 16 0 348m 43m 21m S 3 8 0 5 0 02 48 httpd 20826 apache 16 0 362m 52m 21m S 3 4 0 7 0 02 34 httpd I guess this is also influenced by php memory limit we have 96M reply You probably have too many Submitted by Visitor not verified on Fri 2009 09 18 09 29 You probably have too many modules Please see server indigestion the Drupal contributed modules Open Buffet Binge syndrome You can reduce the total memory required on the machine by running PHP as FastCGI see Apache fcgid acceptable performance and better resource utilization reply MaxClients and Munin s number of processes Submitted by foxtrotcharlie not verified on Mon 2011 07 11 01 48 Our site uses Apache s prefork MPM I have set MaxClients to 75 but when doing some ab tests the number of processes reported in Munin reaches 150 My question is are the 75 processes over my MaxClients limit actually being used and therefore MaxClients is not being respected or are these additional processes just queued and won t have any impact on RAM usage Thanks for the very useful article reply my server having issues that request mysql to work Submitted by emil not verified on Wed 2012 08 08 16 40 I m using godaddy dedicted server by far the worst service and knowledge they destroit all my drupal websites and provide no solutions after charging me over 1000 in support they can t even fix my sql or to create new password and user name to SSH shell access and etc they said we try it all but they will not refound my money for selling me bad product and bad service i m stuck i need neww server that can handel high cpu and can handel large database with no to much effort needed i need solution for large drupal website with over 5 milions pages and that can handel high traffic 24 hour 365 days a year with out all those crushes and without to many optemization needs for chace and cpu any idea my server giving me this error and i can t even change the max allowed packet since i have no way to access the shell for my server and godaddy can t restet the password to the own products that they are selling please help and please give any idea where to go to buy this kind of server that i need base on the information above Additional uncaught exception thrown while handling exception Original PDOException SQLSTATE HY000 General error 1030 Got error 1 from storage engine DELETE FROM semaphore WHERE name db condition placeholder 0 AND value db condition placeholder 1 AND expire db condition placeholder 2 Array db condition placeholder 0 menu rebuild db condition placeholder 1 170783664650214bef7b50e4 73991544 db condition placeholder 2 1344359448 36 in lock may be available line 181 of home clean123 public html includes lock inc Additional PDOException SQLSTATE HY000 General error 1467 Failed to read auto increment value from storage engine INSERT INTO watchdog uid type message variables severity link location referer hostname timestamp VALUES db insert placeholder 0 db insert placeholder 1 db insert placeholder 2 db insert placeholder 3 db insert placeholder 4 db insert placeholder 5 db insert placeholder 6 db insert placeholder 7 db insert placeholder 8 db insert placeholder 9 Array db insert placeholder 0 1 db insert placeholder 1 php db insert placeholder 2 type message in function line line of file db insert placeholder 3 a 6 s 5 type s 12 PDOException s 8 message s 422 SQLSTATE HY000 General error 1030 Got error 1 from storage engine DELETE FROM semaphore WHERE name db condition placeholder 0 AND value db condition placeholder 1 AND expire lt db condition placeholder 2 Array db condition placeholder 0 gt menu rebuild db condition placeholder 1 gt 170783664650214bef7b50e4 73991544 db condition placeholder 2 gt 1344359448 36 s 9 function s 23 lock may be available s 5 file s 44 home clean123 public html includes lock inc s 5 line i 181 s 14 severity level i 3 db insert placeholder 4 3 db insert placeholder 5 db insert placeholder 6 http 123carpetclean com db insert placeholder 7 db insert placeholder 8 76 93 5 103 db insert placeholder 9 1344458134 in dblog watchdog line 154 of home clean123 public html modules dblog dblog module reply Go For amazon EC2 instance Submitted by Visitor not verified on Fri 2012 10 12 02 44 Go For amazon EC2 instance reply Script to tune Apache Submitted by Jean Sebastien not verified on Tue 2012 11 20 21 16 A few weeks ago I needed to tune an apache web server for a client and although the process is straight forward see memory used by processes server memory available etc it s also a bit tedious I expected to find a ready made application script to do the number crunching but my search didn t turn up anything so I ended up writing my own I figured you and your readers might find it useful as well You can find the weblog entry here and the script on Google Code as well Enjoy js reply Is your Drupal or WordPress site slow Is it suffering from server resources shortages Is it experiencing outages Contact us for Drupal and WordPress Performance Optimization and Tuning Consulting Contents Services Clients Testimonials News FAQ Payments Site Map Navigation Payment Recent content Do you use any of our Drupal modules Did you find our Drupal WordPress and LAMP performance articles informative Follow us on Twitter 2bits for tips and tricks on Drupal and WordPress Performance Contact us for Drupal and WordPress Performance Optimization and Tuning Consulting In Depth Articles Client Testimonials Developing tracing and debugging Drupal Drupal Performance Tuning and Optimization for large web sites PHP op code

    Original URL path: http://2bits.com/articles/tuning-the-apache-maxclients-parameter.html (2016-05-02)
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  • Using ApacheBench for benchmarking logged in users - an automated approach | 2bits.com, Inc. - Drupal Performance Tuning and Optimization, Managed Hosting and Consulting
    require once includes bootstrap inc drupal bootstrap DRUPAL BOOTSTRAP FULL result db query SELECT s sid FROM sessions s WHERE s uid 1 LIMIT num curr foreach result as row cookie session name row sid print ab c 1 n num reqs C cookie url n define DRUPAL ROOT getcwd require once includes bootstrap inc drupal bootstrap DRUPAL BOOTSTRAP FULL result db query SELECT s sid FROM sessions s WHERE s uid 1 LIMIT num curr foreach result as row cookie session name row sid print ab c 1 n num reqs C cookie url n reply Is your Drupal or WordPress site slow Is it suffering from server resources shortages Is it experiencing outages Contact us for Drupal and WordPress Performance Optimization and Tuning Consulting Contents Services Clients Testimonials News FAQ Payments Site Map Navigation Payment Recent content Do you use any of our Drupal modules Did you find our Drupal WordPress and LAMP performance articles informative Follow us on Twitter 2bits for tips and tricks on Drupal and WordPress Performance Contact us for Drupal and WordPress Performance Optimization and Tuning Consulting In Depth Articles Client Testimonials Developing tracing and debugging Drupal Drupal Performance Tuning and Optimization for large web sites PHP op code caches accelerators Drupal large site case study Abuse Drupal Best Practices at your own peril Poor Performance Admin Menu module Popular yet occasionally problematic Another botnet spamming Drupal web sites causing performance issues Apache 2 and PHP5 on Ubuntu Feisty bloated Apache with fcgid acceptable performance and better resource utilization Avoid excessive disk writes by avoiding PHP errors in your code Benchmarking APC vs eAccelerator using Drupal Benchmarking Drupal 5 x vs 6 x which one is faster Benchmarking Drupal from the shell command line Benchmarking Drupal with PHP op code caches APC eAccelerator and XCache compared Benchmarking PostgreSQL vs MySQL performance using Drupal 5 x Benchmarking Zend Server Community Edition with Drupal Benchmarking strings overrides vs locale module Beware of Drupal modules that disable the page cache Beware when Drupal Pressflow displays messages for anonymous users Botnet hammering web site causing outages Bottleneck Replacing taxonomy term count nodes in taxonomy dhtml Bypassing Drupal core Node Access table joins to avoid outage caused by slow queries Can a Drupal web site handle a million page views a day Case study Views Quicktabs and template php Common Issues and Solutions for Dealing with Cloud Computing and VPS performance issues for Drupal Configuring Apache Solr 3 6 for Drupal on Ubuntu 14 04 with password authentication Configuring Apache Solr 4 x for Drupal with password authentication Configuring Drupal with multiple bins for memcached Correct Client IP Address with a Reverse Proxy or Content Delivery Network CDN Do not configure the Service Links module with TinyURL com Drupal 7 x and Pressflow pitfalls can reduce your site s performance Drupal core caching and contributed content caching modules Drupal not saving admin pages with large number of input fields Drupal on a dedicated servers vs Amazon AWS EC2 Drupal

    Original URL path: http://2bits.com/articles/using-apachebench-benchmarking-logged-users-automated-approach.html (2016-05-02)
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  • Very long URL aliases not correctly cached in memcache | 2bits.com, Inc. - Drupal Performance Tuning and Optimization, Managed Hosting and Consulting
    sites PHP op code caches accelerators Drupal large site case study Abuse Drupal Best Practices at your own peril Poor Performance Admin Menu module Popular yet occasionally problematic Another botnet spamming Drupal web sites causing performance issues Apache 2 and PHP5 on Ubuntu Feisty bloated Apache with fcgid acceptable performance and better resource utilization Avoid excessive disk writes by avoiding PHP errors in your code Benchmarking APC vs eAccelerator using Drupal Benchmarking Drupal 5 x vs 6 x which one is faster Benchmarking Drupal from the shell command line Benchmarking Drupal with PHP op code caches APC eAccelerator and XCache compared Benchmarking PostgreSQL vs MySQL performance using Drupal 5 x Benchmarking Zend Server Community Edition with Drupal Benchmarking strings overrides vs locale module Beware of Drupal modules that disable the page cache Beware when Drupal Pressflow displays messages for anonymous users Botnet hammering web site causing outages Bottleneck Replacing taxonomy term count nodes in taxonomy dhtml Bypassing Drupal core Node Access table joins to avoid outage caused by slow queries Can a Drupal web site handle a million page views a day Case study Views Quicktabs and template php Common Issues and Solutions for Dealing with Cloud Computing and VPS performance issues for Drupal Configuring Apache Solr 3 6 for Drupal on Ubuntu 14 04 with password authentication Configuring Apache Solr 4 x for Drupal with password authentication Configuring Drupal with multiple bins for memcached Correct Client IP Address with a Reverse Proxy or Content Delivery Network CDN Do not configure the Service Links module with TinyURL com Drupal 7 x and Pressflow pitfalls can reduce your site s performance Drupal core caching and contributed content caching modules Drupal not saving admin pages with large number of input fields Drupal on a dedicated servers vs Amazon AWS EC2 Drupal performance tuning and optimization userpoints seminar at Open Craft Drupal site excessive memory usage traced to APC and php5 memcached Examples for Drupal custom caching Adding a cache timestamp to cached pages and HTTP headers Fast Parallel MySQL Backups and Imports with Mydumper Free your content of PHP Moving PHP code out of blocks views and nodes Google Crawler hitting your site too aggressively High PHP execution times for Drupal and tuning APC for include once performance High Performance Drupal with Apache MPM Worker Threaded Server and PHP FPM High server load because of repeating queries too many times Hosting Virtualization Virtuozzo OpenVZ vs Xen which is best How Drupal s node access table can negatively impact site performance How Google and Bing crawlers were confused by quicktabs How relying on connections to third party servers can be detrimental to performance How to reduce page load times by sending emails via cron rather on page submission Identifying aggressive crawlers using Go Access Improve Your Drupal Site Performance While Reducing Your Hosting Costs Improving the performance of Drupal s cron by using the Elysia cron module Increasing Drupal s speed via the Squid caching reverse proxy Installing PHP APC on GNU Linux

    Original URL path: http://2bits.com/articles/very-long-url-aliases-not-correctly-cached-memcache.html (2016-05-02)
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  • When boost slows down your Drupal site ... | 2bits.com, Inc. - Drupal Performance Tuning and Optimization, Managed Hosting and Consulting
    number of disks in RAID 5 vs RAID 10 arrays The same number of disks in both arrays and RAID 10 will deliver twice as much IOPS than RAID 5 In the configuration mentioned in article I doubt they were running local storage With big setups like that you implement NAS or SAN boxes and these can easily be extended with additional expander frames if more storage or performance is required If uptime is your concern and that implies reliability any form of parity RAID even with hot spares doesn t even come close to RAID 10 And in case of disk failure parity based arrays have extremely long rebuild time and chances of additional disk failures are growing with array size reaching 100 at 12TB for SATA disks Also majority of storage vendors published articles advising against using RAID 5 in production I also don t see how RAID 5 can be attractive if you consider all the risks performance penalty RAID 10 is clearly most cost effective option Remember storage systems are most likely the only bottlenecks we face when deploying applications or virtualizing it doesn t make much sense to for more storage vs more IOPS Let me give you an example Sharepoint 2010 Search app crawl database requires 3500 to 7000 IOPS lest say an average of 5000 numbers taken from MS Technet Now single 3 5 15k SAS disk delivers about 250 IOPS you would need 40 disks in RAID 10 to meet that requirement but you would need 80 disks in RAID 5 to deliver the same performance And that doesn t even take latency into consideration Now how is RAID 5 more cost effective and more attractive here reply Is your Drupal or WordPress site slow Is it suffering from server resources shortages Is it experiencing outages Contact us for Drupal and WordPress Performance Optimization and Tuning Consulting Contents Services Clients Testimonials News FAQ Payments Site Map Navigation Payment Recent content Do you use any of our Drupal modules Did you find our Drupal WordPress and LAMP performance articles informative Follow us on Twitter 2bits for tips and tricks on Drupal and WordPress Performance Contact us for Drupal and WordPress Performance Optimization and Tuning Consulting In Depth Articles Client Testimonials Developing tracing and debugging Drupal Drupal Performance Tuning and Optimization for large web sites PHP op code caches accelerators Drupal large site case study Abuse Drupal Best Practices at your own peril Poor Performance Admin Menu module Popular yet occasionally problematic Another botnet spamming Drupal web sites causing performance issues Apache 2 and PHP5 on Ubuntu Feisty bloated Apache with fcgid acceptable performance and better resource utilization Avoid excessive disk writes by avoiding PHP errors in your code Benchmarking APC vs eAccelerator using Drupal Benchmarking Drupal 5 x vs 6 x which one is faster Benchmarking Drupal from the shell command line Benchmarking Drupal with PHP op code caches APC eAccelerator and XCache compared Benchmarking PostgreSQL vs MySQL performance using Drupal 5 x

    Original URL path: http://2bits.com/articles/when-boost-slows-down-your-drupal-site.html (2016-05-02)
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  • XML Sitemap 6.x-2.x: How Drupal modules can overload a site during cron, with solutions | 2bits.com, Inc. - Drupal Performance Tuning and Optimization, Managed Hosting and Consulting
    and better resource utilization Avoid excessive disk writes by avoiding PHP errors in your code Benchmarking APC vs eAccelerator using Drupal Benchmarking Drupal 5 x vs 6 x which one is faster Benchmarking Drupal from the shell command line Benchmarking Drupal with PHP op code caches APC eAccelerator and XCache compared Benchmarking PostgreSQL vs MySQL performance using Drupal 5 x Benchmarking Zend Server Community Edition with Drupal Benchmarking strings overrides vs locale module Beware of Drupal modules that disable the page cache Beware when Drupal Pressflow displays messages for anonymous users Botnet hammering web site causing outages Bottleneck Replacing taxonomy term count nodes in taxonomy dhtml Bypassing Drupal core Node Access table joins to avoid outage caused by slow queries Can a Drupal web site handle a million page views a day Case study Views Quicktabs and template php Common Issues and Solutions for Dealing with Cloud Computing and VPS performance issues for Drupal Configuring Apache Solr 3 6 for Drupal on Ubuntu 14 04 with password authentication Configuring Apache Solr 4 x for Drupal with password authentication Configuring Drupal with multiple bins for memcached Correct Client IP Address with a Reverse Proxy or Content Delivery Network CDN Do not configure the Service Links module with TinyURL com Drupal 7 x and Pressflow pitfalls can reduce your site s performance Drupal core caching and contributed content caching modules Drupal not saving admin pages with large number of input fields Drupal on a dedicated servers vs Amazon AWS EC2 Drupal performance tuning and optimization userpoints seminar at Open Craft Drupal site excessive memory usage traced to APC and php5 memcached Examples for Drupal custom caching Adding a cache timestamp to cached pages and HTTP headers Fast Parallel MySQL Backups and Imports with Mydumper Free your content of PHP Moving PHP code out of blocks views and nodes Google Crawler hitting your site too aggressively High PHP execution times for Drupal and tuning APC for include once performance High Performance Drupal with Apache MPM Worker Threaded Server and PHP FPM High server load because of repeating queries too many times Hosting Virtualization Virtuozzo OpenVZ vs Xen which is best How Drupal s node access table can negatively impact site performance How Google and Bing crawlers were confused by quicktabs How relying on connections to third party servers can be detrimental to performance How to reduce page load times by sending emails via cron rather on page submission Identifying aggressive crawlers using Go Access Improve Your Drupal Site Performance While Reducing Your Hosting Costs Improving the performance of Drupal s cron by using the Elysia cron module Increasing Drupal s speed via the Squid caching reverse proxy Installing PHP APC on GNU Linux Centos 5 Installing PHP APC on GNU Linux Ubuntu Gutsy Gibbon 7 10 and Debian Installing Varnish 3 x on Ubuntu Server 12 04 LTS and using Munin to monitor it Installing and Configuring Redis for Drupal 7 and other Memcached Alternatives Installing eAccelerator 0 9 5 1 on Ubuntu

    Original URL path: http://2bits.com/articles/xml-sitemap-6x-2x-how-drupal-modules-can-overload-site-during-cron-solutions.html (2016-05-02)
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  • XML sitemap module performance issues and how to avoid them | 2bits.com, Inc. - Drupal Performance Tuning and Optimization, Managed Hosting and Consulting
    debugging Drupal Drupal Performance Tuning and Optimization for large web sites PHP op code caches accelerators Drupal large site case study Abuse Drupal Best Practices at your own peril Poor Performance Admin Menu module Popular yet occasionally problematic Another botnet spamming Drupal web sites causing performance issues Apache 2 and PHP5 on Ubuntu Feisty bloated Apache with fcgid acceptable performance and better resource utilization Avoid excessive disk writes by avoiding PHP errors in your code Benchmarking APC vs eAccelerator using Drupal Benchmarking Drupal 5 x vs 6 x which one is faster Benchmarking Drupal from the shell command line Benchmarking Drupal with PHP op code caches APC eAccelerator and XCache compared Benchmarking PostgreSQL vs MySQL performance using Drupal 5 x Benchmarking Zend Server Community Edition with Drupal Benchmarking strings overrides vs locale module Beware of Drupal modules that disable the page cache Beware when Drupal Pressflow displays messages for anonymous users Botnet hammering web site causing outages Bottleneck Replacing taxonomy term count nodes in taxonomy dhtml Bypassing Drupal core Node Access table joins to avoid outage caused by slow queries Can a Drupal web site handle a million page views a day Case study Views Quicktabs and template php Common Issues and Solutions for Dealing with Cloud Computing and VPS performance issues for Drupal Configuring Apache Solr 3 6 for Drupal on Ubuntu 14 04 with password authentication Configuring Apache Solr 4 x for Drupal with password authentication Configuring Drupal with multiple bins for memcached Correct Client IP Address with a Reverse Proxy or Content Delivery Network CDN Do not configure the Service Links module with TinyURL com Drupal 7 x and Pressflow pitfalls can reduce your site s performance Drupal core caching and contributed content caching modules Drupal not saving admin pages with large number of input fields Drupal on a dedicated servers vs Amazon AWS EC2 Drupal performance tuning and optimization userpoints seminar at Open Craft Drupal site excessive memory usage traced to APC and php5 memcached Examples for Drupal custom caching Adding a cache timestamp to cached pages and HTTP headers Fast Parallel MySQL Backups and Imports with Mydumper Free your content of PHP Moving PHP code out of blocks views and nodes Google Crawler hitting your site too aggressively High PHP execution times for Drupal and tuning APC for include once performance High Performance Drupal with Apache MPM Worker Threaded Server and PHP FPM High server load because of repeating queries too many times Hosting Virtualization Virtuozzo OpenVZ vs Xen which is best How Drupal s node access table can negatively impact site performance How Google and Bing crawlers were confused by quicktabs How relying on connections to third party servers can be detrimental to performance How to reduce page load times by sending emails via cron rather on page submission Identifying aggressive crawlers using Go Access Improve Your Drupal Site Performance While Reducing Your Hosting Costs Improving the performance of Drupal s cron by using the Elysia cron module Increasing Drupal s speed via the

    Original URL path: http://2bits.com/articles/xml-sitemap-module-performance-issues-and-how-to-avoid-them.html (2016-05-02)
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