Mi dispiace… non sono molto esperto di Linux. Potresti insegnarmi specificamente come configurarlo?
Non ho mai modificato manualmente alcuna impostazione di sistema. Tuttavia, penso che il provider di hosting possa limitare lo swap perché questo server sembra funzionare su HDD (a giudicare dalle 2k IOPS massime).
Fare queste cose può modificare permanentemente le impostazioni che hai menzionato?
esegui:
echo 'sys.kernel.mm.transparent_hugepage.enabled=never' > /etc/sysctl.d/10-huge-pages.conf
echo 'vm.overcommit_memory=1' > /etc/sysctl.d/90-vm_overcommit_memory.conf
e cambia vm.swapiness = 60 in /etc/sysctl.conf
ora: (ho riavviato dopo aver modificato tutte le impostazioni. I comandi seguenti vengono eseguiti dopo il riavvio)
root@iZj6cgi365ov99veqodfgnZ:~# head /proc/sys/vm/*
==> /proc/sys/vm/admin_reserve_kbytes <==
8192
==> /proc/sys/vm/compaction_proactiveness <==
20
head: cannot open '/proc/sys/vm/compact_memory' for reading: Permission denied
==> /proc/sys/vm/compact_unevictable_allowed <==
1
==> /proc/sys/vm/dirty_background_bytes <==
0
==> /proc/sys/vm/dirty_background_ratio <==
10
==> /proc/sys/vm/dirty_bytes <==
0
==> /proc/sys/vm/dirty_expire_centisecs <==
3000
==> /proc/sys/vm/dirty_ratio <==
30
==> /proc/sys/vm/dirtytime_expire_seconds <==
43200
==> /proc/sys/vm/dirty_writeback_centisecs <==
500
head: cannot open '/proc/sys/vm/drop_caches' for reading: Permission denied
==> /proc/sys/vm/extfrag_threshold <==
500
==> /proc/sys/vm/hugetlb_shm_group <==
0
==> /proc/sys/vm/laptop_mode <==
0
==> /proc/sys/vm/legacy_va_layout <==
0
==> /proc/sys/vm/lowmem_reserve_ratio <==
256 256 32 0 0
==> /proc/sys/vm/max_map_count <==
65530
==> /proc/sys/vm/memory_failure_early_kill <==
0
==> /proc/sys/vm/memory_failure_recovery <==
1
==> /proc/sys/vm/min_free_kbytes <==
45056
==> /proc/sys/vm/min_slab_ratio <==
5
==> /proc/sys/vm/min_unmapped_ratio <==
1
==> /proc/sys/vm/mmap_min_addr <==
65536
==> /proc/sys/vm/mmap_rnd_bits <==
28
==> /proc/sys/vm/mmap_rnd_compat_bits <==
8
==> /proc/sys/vm/nr_hugepages <==
0
==> /proc/sys/vm/nr_hugepages_mempolicy <==
0
==> /proc/sys/vm/nr_overcommit_hugepages <==
0
==> /proc/sys/vm/numa_stat <==
1
==> /proc/sys/vm/numa_zonelist_order <==
Node
==> /proc/sys/vm/oom_dump_tasks <==
1
==> /proc/sys/vm/oom_kill_allocating_task <==
0
==> /proc/sys/vm/overcommit_kbytes <==
0
==> /proc/sys/vm/overcommit_memory <==
1
==> /proc/sys/vm/overcommit_ratio <==
50
==> /proc/sys/vm/page-cluster <==
3
==> /proc/sys/vm/page_lock_unfairness <==
5
==> /proc/sys/vm/panic_on_oom <==
0
==> /proc/sys/vm/percpu_pagelist_high_fraction <==
0
==> /proc/sys/vm/stat_interval <==
1
==> /proc/sys/vm/stat_refresh <==
==> /proc/sys/vm/swappiness <==
60
==> /proc/sys/vm/unprivileged_userfaultfd <==
0
==> /proc/sys/vm/user_reserve_kbytes <==
50778
==> /proc/sys/vm/vfs_cache_pressure <==
100
==> /proc/sys/vm/watermark_boost_factor <==
15000
==> /proc/sys/vm/watermark_scale_factor <==
10
==> /proc/sys/vm/zone_reclaim_mode <==
0
root@iZj6cgi365ov99veqodfgnZ:~# cat /sys/kernel/mm/transparent_hugepage/enabled
always [madvise] never
Sembra che funzioni bene! Grazie mille a tutti per l’aiuto!