"Swap space below 10 percent free"

From: Peter Chapin <pchapin_at_vtc.vsc.edu>
Date: Fri, 15 Sep 2000 13:24:07 -0400 (EDT)

I've started getting frequent "Swap space below 10 percent free" messages
on my Tru64 (v4.0D) system. Although the system is not overflowing with
memory (64 MBytes physical, 128 MByte swap partition), I have not seen
this problem before in the years that the system has been operating. As
far as I know there has been no (recent) changes in the software on the
system that might account for this.

The output of "swapon -s" yields:

Swap partition /dev/rz0b (default swap):
    Allocated space: 16384 pages (128MB)
    In-use space: 4639 pages ( 28%)
    Free space: 11745 pages ( 71%)


Total swap allocation:
    Allocated space: 16384 pages (128MB)
    Reserved space: 15307 pages ( 93%)
    In-use space: 4639 pages ( 28%)
    Available space: 1077 pages ( 6%)

Why might the "reserved" space be such a large percentage? What should I
be looking at to track this problem down more precisely.

Thanks! I will summarize.

Peter
Received on Fri Sep 15 2000 - 17:27:16 NZST

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