diff options
Diffstat (limited to 'health/guides/ram')
| -rw-r--r-- | health/guides/ram/30min_ram_swapped_out.md | 26 | ||||
| -rw-r--r-- | health/guides/ram/used_swap.md | 24 |
2 files changed, 0 insertions, 50 deletions
diff --git a/health/guides/ram/30min_ram_swapped_out.md b/health/guides/ram/30min_ram_swapped_out.md deleted file mode 100644 index c822aa6901..0000000000 --- a/health/guides/ram/30min_ram_swapped_out.md +++ /dev/null @@ -1,26 +0,0 @@ -### Understand the alert - -If the system needs more memory resources than your available RAM, inactive pages in memory can be moved into the swap space (or swap file). The swap space (or swap file) is located on hard drives, -which have a slower access time than physical memory. - -The Netdata Agent calculates the percentage of the system RAM swapped in the last 30 minutes. This alert is triggered in warning state if the percentage of the system RAM swapped in is more than 20%. - -### Troubleshoot the alert - -You can find the most resource greedy processes in your system, but if you receive this alert many times you must consider upgrading your system's RAM. - -- Find the processes that consume the most RAM - -Linux: -``` -top -b -o +%MEM | head -n 22 -``` - -FreeBSD: -``` -top -b -o res | head -n 22 -``` - -Here, you can see which processes are the main RAM consumers. Consider killing any of the main consumer processes that you do not need to avoid thrashing. - -Netdata strongly suggests knowing exactly what processes you are closing and being certain that they are not necessary. diff --git a/health/guides/ram/used_swap.md b/health/guides/ram/used_swap.md deleted file mode 100644 index 48b2c61022..0000000000 --- a/health/guides/ram/used_swap.md +++ /dev/null @@ -1,24 +0,0 @@ -### Understand the alert - -If the system needs more memory resources than your available RAM, inactive pages in memory can be moved into the swap space (or swap file). The Swap space (or swap file) is located on hard drives, which have a slower access time than physical memory. - -The Netdata Agent calculates the percentage of the used swap. This alert indicates high swap memory utilization. It may be a sign that the system has experienced memory pressure, which can affect the -performance of your system. If there is no RAM and swap available, OOM Killer can start killing processes. - -This alert is triggered in warning state when the percentage of used swap is between 80-90% and in critical state when it is between 90-98%. - -### Troubleshoot the alert - -- Check per-process RAM usage to find the top consumers - -Linux: -``` -top -b -o +%MEM | head -n 22 -``` -FreeBSD: -``` -top -b -o res | head -n 22 -``` - -It would be helpful to close any of the main consumer processes, but Netdata strongly suggests knowing exactly what processes you are closing and being certain that they are not necessary. - |