---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-10458 5.4.0-148-generic #165-Ubuntu SMP Tue Apr 18 08:53:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 2 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Retbleed: Vulnerable Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines, IBPB conditional, IBRS_FW, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 8.6G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/loop0 44M 44M 0 100% /snap/snapd/15177 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/loop2 62M 62M 0 100% /snap/core20/1405 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 611 12976 1 2420 15071 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:09:b2:be brd ff:ff:ff:ff:ff:ff inet 10.30.107.135/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86225sec preferred_lft 86225sec inet6 fe80::f816:3eff:fe09:b2be/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-10458) 03/02/24 _x86_64_ (4 CPU) 19:18:42 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:02 93.88 20.36 73.52 0.00 1718.91 6819.95 0.00 19:21:01 139.71 19.69 120.01 0.00 528.45 16139.50 0.00 Average: 116.60 20.03 96.57 0.00 1128.68 11440.57 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:02 13811472 15461212 553900 3.38 72932 1763620 1170976 6.71 729064 1591512 175156 19:21:01 13270600 15397128 594140 3.62 123692 2138092 1209804 6.94 875280 1912244 215068 Average: 13541036 15429170 574020 3.50 98312 1950856 1190390 6.82 802172 1751878 195112 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:02 lo 1.73 1.73 0.19 0.19 0.00 0.00 0.00 0.00 19:20:02 ens3 74.95 52.74 1040.31 10.47 0.00 0.00 0.00 0.00 19:21:01 lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 19:21:01 ens3 198.51 162.35 1458.30 52.37 0.00 0.00 0.00 0.00 Average: lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 136.21 107.08 1247.55 31.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-10458) 03/02/24 _x86_64_ (4 CPU) 19:18:42 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:02 all 20.78 0.00 1.63 2.37 0.05 75.17 19:20:02 0 23.88 0.00 1.62 0.52 0.05 73.93 19:20:02 1 27.01 0.00 2.40 4.34 0.07 66.18 19:20:02 2 26.57 0.00 1.64 0.83 0.05 70.91 19:20:02 3 5.55 0.00 0.87 3.79 0.05 89.73 19:21:01 all 27.65 0.00 2.27 2.90 0.08 67.10 19:21:01 0 18.62 0.00 1.34 0.76 0.07 79.20 19:21:01 1 13.97 0.00 1.56 4.86 0.08 79.52 19:21:01 2 36.77 0.00 2.52 1.97 0.08 58.66 19:21:01 3 41.24 0.00 3.66 4.00 0.07 51.03 Average: all 24.19 0.00 1.95 2.63 0.07 71.16 Average: 0 21.28 0.00 1.48 0.64 0.06 76.54 Average: 1 20.55 0.00 1.99 4.60 0.08 72.79 Average: 2 31.62 0.00 2.07 1.40 0.07 64.84 Average: 3 23.30 0.00 2.26 3.90 0.06 70.48