Hi. Recently, like last month, I have been observing odd behaviour of Firefox when I disconnect from / lock the session.
When I return home after work, I log back in and the root Firefox process uses, say 9 GiB of RAM. The Firefox windows are unresponsive. When I look at process list in top, I can that the main Firefox process is slowly returning memory. Once it is finished, around 1 GiB RSS, all of the Firefox windows start responding again. There is no swapping involved. I have 64 GiB of RAM. It appears to be leaking memory when the session is locked/disconnected and it GCs it when I return and log back in. This is with 20.04.1. I am just wondering if anyone else is seeing the same symptoms. -- VH
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