Latency-sensitive applications running in Java sometimes experience unacceptable delays under heavy I/O load. This blog discusses why this problem occurs and what to do about it for applications running Tungsten Clustering for MySQL.
I was running out of memory constantly on Yosemite 10.10.5 and found the following article: https://discussions.apple.com/message/26929324?start=555&tstart=0 Edited and reposted without permission below… Disconnect any external or secondary monitors, if any is present. The video memory allocation leak can also happen if you have a system with an integrated card, like Intel, with no external monitors […]
PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 277644940 bytes) in /volumes/data/customer/wordpress/wp-content/plugins/searchwp/vendor/pdfparser/vendor/smalot/pdfparser/src/Smalot/PdfParser/Parser.php on line 72, referer: http://dev.thecustomer.com/index.php?swpnonce=1387006674.5392169952592578125000 To increase the PHP memory limit to 256MB, edit wp-config.php and add the following just before the line that says “That’s all, stop editing! Happy blogging.”:
Open Terminal and run the purge command, located in /usr/bin/. Note: You may need to have XCode Developer Tools installed in order to use the purge command. YMMV… As per Apple: http://support.apple.com/kb/HT1342 Inactive Memory: This information is in RAM but it is not actively being used, it was recently used. For example, if you’ve been […]
To deactivate the dynamic pager: sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist followed by a reboot. You can turn it on again with sudo launchctl load -wF /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist
erics, June 26th, 2019 
Categories: Cluster, JVM, Mastering Tungsten Clustering, Tune Clustering, Config, Configuration, Memory, mysql, Network, Switch, Tungsten, tuning
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