Vincent Lefevre writes ("Re: TMPDIR - Do we also need a drive backed TPMDIR ? [and 1 more messages]"): > On an older laptop, I had 4 GB RAM, and under normal conditions, > I was using only around 1 GB. Swap was used only in two cases: > > 1. Because Firefox was taking more than 4 GB after some time, but > in this case, the system was more or less frozen. So, the only thing > I could do was to kill Firefox from a terminal, which was taking me > several minutes... I ended up by using a wrapper script that did: > > ulimit -v 4096000 > exec /usr/bin/firefox "$@" > > so that Firefox would crash instead of freezing the system. Now, it > seems that Firefox has improved and no longer take so much memory.
You may find that changing the io scheduler from cfq (which is appallingly bad) to deadline helps. > 2. Due to bugs in my programs, or something similar. Ditto, I would > have preferred a crash than a frozen system. Perhaps I have a different use pattern. Ian.