---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-584 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 8.8G 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/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/loop2 44M 44M 0 100% /snap/snapd/15177 /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 598 12777 1 2633 15076 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:ed:84:44 brd ff:ff:ff:ff:ff:ff inet 10.30.106.129/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86242sec preferred_lft 86242sec inet6 fe80::f816:3eff:feed:8444/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-584) 10/10/26 _x86_64_ (4 CPU) 19:17:59 LINUX RESTART (4 CPU) 19:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:19:01 289.50 58.22 231.28 0.00 4386.34 82807.00 0.00 19:20:01 172.74 27.70 145.04 0.00 1508.68 20773.22 0.00 Average: 231.12 42.96 188.16 0.00 2947.51 51790.11 0.00 19:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:19:01 13874468 15491232 517128 3.15 70780 1741556 1140644 6.54 669684 1587632 174332 19:20:01 13117896 15463284 520928 3.18 127924 2346292 1122324 6.43 813980 2110936 292376 Average: 13496182 15477258 519028 3.17 99352 2043924 1131484 6.49 741832 1849284 233354 19:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:19:01 lo 2.60 2.60 0.27 0.27 0.00 0.00 0.00 0.00 19:19:01 ens3 369.64 254.61 1845.89 74.75 0.00 0.00 0.00 0.00 19:20:01 lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 19:20:01 ens3 286.85 195.70 2841.44 49.83 0.00 0.00 0.00 0.00 Average: lo 1.77 1.77 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 328.25 225.15 2343.67 62.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-584) 10/10/26 _x86_64_ (4 CPU) 19:17:59 LINUX RESTART (4 CPU) 19:18:01 CPU %user %nice %system %iowait %steal %idle 19:19:01 all 19.81 0.00 2.94 3.88 0.01 73.35 19:19:01 0 12.37 0.00 2.61 1.30 0.02 83.70 19:19:01 1 14.43 0.00 1.69 4.53 0.02 79.34 19:19:01 2 40.41 0.00 5.61 6.01 0.02 47.95 19:19:01 3 12.06 0.00 1.87 3.70 0.00 82.37 19:20:01 all 26.68 0.00 2.64 1.81 0.01 68.86 19:20:01 0 38.14 0.00 3.42 0.75 0.02 57.68 19:20:01 1 16.97 0.00 1.81 3.34 0.00 77.87 19:20:01 2 18.41 0.00 1.93 1.09 0.02 78.56 19:20:01 3 33.19 0.00 3.39 2.04 0.02 61.36 Average: all 23.25 0.00 2.79 2.84 0.01 71.11 Average: 0 25.24 0.00 3.01 1.02 0.02 70.70 Average: 1 15.70 0.00 1.75 3.93 0.01 78.60 Average: 2 29.41 0.00 3.77 3.55 0.02 63.26 Average: 3 22.66 0.00 2.63 2.87 0.01 71.83