Changes between Version 13 and Version 14 of developers-meeting-20101116

Timestamp:

11/16/10 16:53:08 (10 years ago)

Author:

paul

Comment:

--

developers-meeting-20101116

@@ -47 +47 @@
 Gerard says he put the ulimit settings in the `limits.conf` and `rc.local` files.  Is this sufficient?
 
-DESY put the `ulimit` value somewhere; perhaps in `/etc/default/security`.
+DESY put the `ulimit` value somewhere; perhaps in `/etc/default/security`.  They have a ulimit of 32k open file descriptors on the Solaris pools.
 
 There's no explicit setting in dCache for setting the ulimit prior to starting dCache.
@@ -53 +53 @@
 However, there are two useful settings in `dCacheSetup` (or `dcache.conf` post 1.9.6) that may be helpful.  The 'dcache.local.shell' option names a file to be sourced.  The 'dcache.local.run.sh' option names a file that will be executed.  These files should be inside the /opt/d-cache/bin directory.
 
-The most dangerous is FTP with multiple streams.  For each transfer you will have open descriptors =  No. streams + file + pool (10 + 1 + 1).
-
+The most dangerous is FTP with multiple streams.  For 10 streams, you need 11 or 12 (depending on whether the door relays the data). But, there is also other sockets that are always needed (e.g., cells communication, database connections, etc).
 
 === Webdav door ===