---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-360 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: 2799.996 BogoMIPS: 5599.99 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/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/loop2 44M 44M 0 100% /snap/snapd/15177 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 601 12980 1 2427 15081 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:d5:39:30 brd ff:ff:ff:ff:ff:ff inet 10.30.106.209/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86227sec preferred_lft 86227sec inet6 fe80::f816:3eff:fed5:3930/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-360) 01/27/24 _x86_64_ (4 CPU) 19:18:52 LINUX RESTART (4 CPU) 19:19:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 127.03 51.79 75.24 0.00 4715.13 8888.93 0.00 19:21:01 136.83 19.30 117.53 0.00 516.71 14467.07 0.00 Average: 131.97 35.41 96.56 0.00 2598.29 11701.44 0.00 19:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13850788 15492872 524304 3.20 70712 1758796 1125464 6.45 693508 1588972 168928 19:21:01 13349476 15480096 512948 3.13 122344 2143076 1114896 6.39 789820 1918168 273840 Average: 13600132 15486484 518626 3.16 96528 1950936 1120180 6.42 741664 1753570 221384 19:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 2.03 2.03 0.21 0.21 0.00 0.00 0.00 0.00 19:20:01 ens3 402.17 251.26 1728.01 61.99 0.00 0.00 0.00 0.00 19:21:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 19:21:01 ens3 182.89 148.71 1491.83 48.90 0.00 0.00 0.00 0.00 Average: lo 1.55 1.55 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 291.61 199.55 1608.93 55.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-360) 01/27/24 _x86_64_ (4 CPU) 19:18:52 LINUX RESTART (4 CPU) 19:19:02 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 23.34 0.00 2.42 2.86 0.06 71.31 19:20:01 0 15.06 0.00 2.22 0.83 0.05 81.84 19:20:01 1 16.08 0.00 1.94 6.63 0.05 75.29 19:20:01 2 31.38 0.00 2.69 1.28 0.07 64.58 19:20:01 3 30.87 0.00 2.82 2.72 0.08 63.51 19:21:01 all 27.29 0.00 2.38 2.36 0.09 67.87 19:21:01 0 26.27 0.00 2.40 1.96 0.08 69.29 19:21:01 1 32.66 0.00 2.46 3.67 0.10 61.11 19:21:01 2 31.03 0.00 2.99 0.86 0.07 65.06 19:21:01 3 19.20 0.00 1.69 2.97 0.12 76.02 Average: all 25.33 0.00 2.40 2.61 0.08 69.58 Average: 0 20.72 0.00 2.31 1.40 0.07 75.51 Average: 1 24.44 0.00 2.21 5.14 0.08 68.14 Average: 2 31.21 0.00 2.84 1.06 0.07 64.82 Average: 3 25.00 0.00 2.25 2.84 0.10 69.80