---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-6250 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: 2799.998 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/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 616 12967 1 2425 15063 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:f4:47:89 brd ff:ff:ff:ff:ff:ff inet 10.30.106.187/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86193sec preferred_lft 86193sec inet6 fe80::f816:3eff:fef4:4789/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-6250) 02/17/24 _x86_64_ (4 CPU) 19:20:17 LINUX RESTART (4 CPU) 19:21:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:22:01 91.87 18.71 73.15 0.00 1250.59 10790.35 0.00 19:23:01 110.74 12.54 98.20 0.00 383.67 13703.95 0.00 Average: 101.31 15.63 85.68 0.00 817.06 12247.39 0.00 19:21:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:22:01 13684684 15399504 606908 3.70 78548 1820940 1432928 8.22 805964 1632296 126264 19:23:01 13306120 15445540 537740 3.28 124352 2151784 1124024 6.44 826320 1919544 193168 Average: 13495402 15422522 572324 3.49 101450 1986362 1278476 7.33 816142 1775920 159716 19:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:22:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 19:22:01 ens3 80.62 52.46 1026.13 12.48 0.00 0.00 0.00 0.00 19:23:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 19:23:01 ens3 137.35 119.31 1258.70 40.25 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 108.99 85.89 1142.44 26.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-6250) 02/17/24 _x86_64_ (4 CPU) 19:20:17 LINUX RESTART (4 CPU) 19:21:01 CPU %user %nice %system %iowait %steal %idle 19:22:01 all 21.19 0.00 1.63 4.60 0.06 72.52 19:22:01 0 27.11 0.00 1.77 1.58 0.07 69.47 19:22:01 1 14.25 0.00 1.54 11.07 0.07 73.07 19:22:01 2 24.31 0.00 1.62 5.08 0.05 68.93 19:22:01 3 19.08 0.00 1.59 0.68 0.05 78.60 19:23:01 all 23.36 0.00 2.07 4.72 0.08 69.78 19:23:01 0 34.56 0.00 2.40 2.40 0.08 60.55 19:23:01 1 12.26 0.00 1.64 11.14 0.08 74.89 19:23:01 2 11.73 0.00 1.37 2.86 0.07 83.97 19:23:01 3 34.84 0.00 2.85 2.50 0.07 59.73 Average: all 22.27 0.00 1.85 4.66 0.07 71.15 Average: 0 30.83 0.00 2.09 1.99 0.08 65.01 Average: 1 13.25 0.00 1.59 11.10 0.08 73.98 Average: 2 18.02 0.00 1.50 3.97 0.06 76.45 Average: 3 26.96 0.00 2.22 1.59 0.06 69.17