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Memory usage spike when switching tabs in Linux

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chengxiwang.sh
chengxiwang.sh
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The memory usage spikes randomly when switching (not opening up new) tabs. The usage usually comes down after 10-20 seconds, but it may or may not drop back to previous levels. I rarely have 10+ tabs open at the same time. My average "normal" memory usage is ~500 MB, and the average spike peak is 2-3 GB. However, if the normal usage is ~2 GB it can spike up to as much as 10GB+ which freezes Ubuntu with 16GB RAM. Resuming from suspension has a higher probability of causing memory spikes, but not always. Screenshots attached to show 2 mild spikes I experienced in the last hour. Ironically the 2nd spike happened when switching to this support.mozilla.org page.

Ubuntu 20.04.5 LTS Firefox: 112.0.1 (64-bit)

The memory usage spikes randomly when switching (not opening up new) tabs. The usage usually comes down after 10-20 seconds, but it may or may not drop back to previous levels. I rarely have 10+ tabs open at the same time. My average "normal" memory usage is ~500 MB, and the average spike peak is 2-3 GB. However, if the normal usage is ~2 GB it can spike up to as much as 10GB+ which freezes Ubuntu with 16GB RAM. Resuming from suspension has a higher probability of causing memory spikes, but not always. Screenshots attached to show 2 mild spikes I experienced in the last hour. Ironically the 2nd spike happened when switching to this support.mozilla.org page. Ubuntu 20.04.5 LTS Firefox: 112.0.1 (64-bit)
Attached screenshots

Modified by chengxiwang.sh