When you execute 'htop' command in linux, sometimes you might have noticed a big yellow chunk in memory bar. That is the disk cache used by the sytem as a memory - usually for running services.
If this 'yellow' chunk gets bigger then the things really start to get worse. Here is a simple command to clear the cache.
sync; echo 3 > /proc/sys/vm/drop_caches
If above does not work (in case of permissions denied), try to use the below line :
sudo sh -c "sync; echo 3 > /proc/sys/vm/drop_caches"
If this 'yellow' chunk gets bigger then the things really start to get worse. Here is a simple command to clear the cache.
sync; echo 3 > /proc/sys/vm/drop_caches
If above does not work (in case of permissions denied), try to use the below line :
sudo sh -c "sync; echo 3 > /proc/sys/vm/drop_caches"
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