MozillaZine

Mozilla 0.9.3 Released!

Thursday August 2nd, 2001

mozilla.org today released Mozilla milestone 0.9.3, continuing to work towards a 1.0 release. Preliminary data is showing that 0.9.3 is up to 35% more stable than 0.9.2, thanks to increased focus on stability bugs this milestone. Along with that, the newest incarnation of the Modern has had some additional work since 0.9.2.

Builds are available on mozilla.org's download page (or go right to the FTP directory), along with release notes.


#116 Read "Virtual Memory", not "Mem Usage"

by astrosmash

Monday August 6th, 2001 10:54 AM

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If you want to know how much memory a WinNt/2000 process is using, read the "Virtual Memory" column, not the "Mem Usage" column.

From the Windows task manager, the "Virtual Memory" column indicates how much memory the process actually needs (AKA "Private Bytes" in PerfMon.) The "Virtual Memory" column isn't enabled by default.

The "Mem Usage" column (AKA "Working Set" in PerfMon) indicates how much physical RAM the OS has set aside for the process -- You'll notice that this value drops to nearly zero if you minimize the window. If you have lots of free RAM, this number will greater than the Private Bytes. OTOH, if you don't have lots of free RAM this number will be less than the Private Bytes, meaning that some of the process's memory has been swapped to disk. In other words, a high "Mem Usage" reading just means that you've got lots of free RAM, and is not an indication of how much memory the process has alloc'd.

I use Mozilla as my primary browser at work; it typically sits between 18-22 MB all day.