---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-5690 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 62M 62M 0 100% /snap/core20/1405 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop2 44M 44M 0 100% /snap/snapd/15177 /dev/loop1 68M 68M 0 100% /snap/lxd/22753 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 610 12923 1 2475 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:22:b8:9f brd ff:ff:ff:ff:ff:ff inet 10.30.107.238/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86218sec preferred_lft 86218sec inet6 fe80::f816:3eff:fe22:b89f/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-5690) 12/16/23 _x86_64_ (4 CPU) 19:19:30 LINUX RESTART (4 CPU) 19:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:21:01 81.42 11.71 69.71 0.00 1036.36 8756.42 0.00 19:22:01 132.96 20.05 112.91 0.00 616.03 16384.34 0.00 Average: 107.19 15.88 91.31 0.00 826.20 12570.38 0.00 19:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:21:01 13756092 15504332 502540 3.07 78620 1851496 1097144 6.29 683876 1679680 207268 19:22:01 13227192 15419560 561848 3.43 125416 2199448 1134880 6.51 850852 1966948 212640 Average: 13491642 15461946 532194 3.25 102018 2025472 1116012 6.40 767364 1823314 209954 19:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:21:01 ens3 64.01 43.33 1125.41 7.51 0.00 0.00 0.00 0.00 19:21:01 lo 1.00 1.00 0.11 0.11 0.00 0.00 0.00 0.00 19:22:01 ens3 206.83 173.57 1426.69 54.10 0.00 0.00 0.00 0.00 19:22:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 135.42 108.45 1276.05 30.81 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-5690) 12/16/23 _x86_64_ (4 CPU) 19:19:30 LINUX RESTART (4 CPU) 19:20:01 CPU %user %nice %system %iowait %steal %idle 19:21:01 all 20.55 0.00 1.70 2.61 0.06 75.08 19:21:01 0 4.31 0.00 1.32 6.40 0.05 87.92 19:21:01 1 19.08 0.00 1.49 0.88 0.05 78.50 19:21:01 2 10.18 0.00 0.87 1.03 0.07 87.86 19:21:01 3 48.68 0.00 3.15 2.10 0.07 45.99 19:22:01 all 26.54 0.00 2.02 3.11 0.08 68.25 19:22:01 0 37.97 0.00 2.22 5.60 0.08 54.13 19:22:01 1 18.16 0.00 1.56 0.32 0.07 79.89 19:22:01 2 15.74 0.00 1.91 4.42 0.07 77.87 19:22:01 3 34.23 0.00 2.41 2.11 0.10 61.15 Average: all 23.54 0.00 1.86 2.86 0.07 71.67 Average: 0 21.11 0.00 1.77 6.00 0.07 71.05 Average: 1 18.62 0.00 1.52 0.60 0.06 79.20 Average: 2 12.95 0.00 1.39 2.72 0.07 82.87 Average: 3 41.46 0.00 2.78 2.10 0.08 53.57