tag:blogger.com,1999:blog-3822535.post4230012926472937353..comments2023-07-06T01:45:08.751-07:00Comments on Ashwin Jayaprakash's Blog: RAM disk is already in Linux and nobody told you (a.k.a Shared memory for ordinary folk)Ashwin Jayaprakashhttp://www.blogger.com/profile/14487665820971997426noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-3822535.post-41816009234121757172011-09-06T17:44:48.342-07:002011-09-06T17:44:48.342-07:00http://slacy.com/blog/2008/08/tmpfs-vs-ext3-perfor...http://slacy.com/blog/2008/08/tmpfs-vs-ext3-performance-on-large-file-sets/Ashwin Jayaprakashhttps://www.blogger.com/profile/14487665820971997426noreply@blogger.comtag:blogger.com,1999:blog-3822535.post-75647366351064781602011-09-04T07:18:46.500-07:002011-09-04T07:18:46.500-07:00I second Peter's comments. Are files created ...I second Peter's comments. Are files created in /dev/shm accessible by processes using System V IPC? Are shared memory segments created by IPC accessible in /dev/shm?Heringhttps://www.blogger.com/profile/06961628761375396967noreply@blogger.comtag:blogger.com,1999:blog-3822535.post-58345168585845745122011-09-03T01:08:27.592-07:002011-09-03T01:08:27.592-07:00I am not sure why it is not used more often either...I am not sure why it is not used more often either. Being an old SunOS administrator I use it for /tmp if for no other reason that it is automatically cleared on a re-boot.<br /><br />tmpfs was added to SunOS in 1987.<br /><br />http://en.wikipedia.org/wiki/TmpfsPeter Lawreyhttps://www.blogger.com/profile/17982030676088168612noreply@blogger.comtag:blogger.com,1999:blog-3822535.post-6962482609267656332011-09-01T14:41:22.732-07:002011-09-01T14:41:22.732-07:00Tmpfs<a href="http://en.wikipedia.org/wiki/Tmpfs" rel="nofollow">Tmpfs</a>Ashwin Jayaprakashhttps://www.blogger.com/profile/14487665820971997426noreply@blogger.comtag:blogger.com,1999:blog-3822535.post-48298326114231721322011-09-01T13:50:56.104-07:002011-09-01T13:50:56.104-07:00Kernel docs on shmfs<a href="http://kernel.org/doc/gorman/html/understand/understand015.html" rel="nofollow">Kernel docs on shmfs</a>Ashwin Jayaprakashhttps://www.blogger.com/profile/14487665820971997426noreply@blogger.com