On 2005.04.06, Dossy Shiobara <[EMAIL PROTECTED]> wrote:
> OK, time to binary search to figure out what Tcl version introduced this
> leak. :-)
OK, looks like Tcl 8.4.7 introduced the leak. Here's my test run
against Tcl 8.4.6:
$ LD_LIBRARY_PATH=`pwd` ./tclsh
% info patchlevel
8.4.6
% lappend auto_path /usr/lib/tcl8.4; package require Thread
2.6.1
% exec ps -p [pid] -o pid,vsz,rss,args
PID VSZ RSS COMMAND
8317 12704 1996 ./tclsh
% for {set i 0} {$i < 1000} {incr i} {
thread::join [thread::create -joinable {}]
}
% exec ps -p [pid] -o pid,vsz,rss,args
PID VSZ RSS COMMAND
8317 21192 2272 ./tclsh
Same test against Tcl 8.4.7:
$ LD_LIBRARY_PATH=`pwd` ./tclsh
% info patchlevel
8.4.7
% lappend auto_path /usr/lib/tcl8.4; package require Thread
2.6.1
% exec ps -p [pid] -o pid,vsz,rss,args
PID VSZ RSS COMMAND
9358 12692 2000 ./tclsh
% for {set i 0} {$i < 1000} {incr i} {
thread::join [thread::create -joinable {}]
}
% exec ps -p [pid] -o pid,vsz,rss,args
PID VSZ RSS COMMAND
9358 48272 29432 ./tclsh
If anyone wants to review the changes to Tcl between 8.4.6 and 8.4.7,
you can produce the diff like this:
$ cvs -z6 -d :pserver:[EMAIL PROTECTED]:/cvsroot/tcl rdiff -rcore-8-4-6
-rcore-8-4-7 tcl > tcl-846-847.diff
In the meantime, everyone who is seeing unexplained nsd memory growth if
you're running Tcl >= 8.4.7, please roll back to Tcl 8.4.6 and see if
that makes the problem go away. (Andrew? Janine? etc.)
-- Dossy
--
Dossy Shiobara mail: [EMAIL PROTECTED]
Panoptic Computer Network web: http://www.panoptic.com/
"He realized the fastest way to change is to laugh at your own
folly -- then you can let go and quickly move on." (p. 70)
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