---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-8132 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 620 12896 1 2492 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:3f:ff:d1 brd ff:ff:ff:ff:ff:ff inet 10.30.107.132/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86229sec preferred_lft 86229sec inet6 fe80::f816:3eff:fe3f:ffd1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-8132) 11/01/25 _x86_64_ (4 CPU) 19:18:27 LINUX RESTART (4 CPU) 19:19:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 142.23 17.73 124.50 0.00 494.42 15534.60 0.00 19:21:01 126.81 10.73 116.08 0.00 1082.84 16653.38 0.00 Average: 134.45 14.20 120.26 0.00 791.13 16098.74 0.00 19:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13161040 15007660 997428 6.08 84752 1935296 1636384 9.38 1184396 1761776 115632 19:21:01 13203036 15417100 577776 3.52 128360 2213468 1149376 6.59 866576 1985820 34356 Average: 13182038 15212380 787602 4.80 106556 2074382 1392880 7.99 1025486 1873798 74994 19:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 ens3 235.06 166.29 2640.42 35.46 0.00 0.00 0.00 0.00 19:20:01 lo 0.95 0.95 0.12 0.12 0.00 0.00 0.00 0.00 19:21:01 ens3 43.02 33.64 383.85 10.34 0.00 0.00 0.00 0.00 19:21:01 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 138.23 99.40 1502.56 22.79 0.00 0.00 0.00 0.00 Average: lo 0.97 0.97 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-8132) 11/01/25 _x86_64_ (4 CPU) 19:18:27 LINUX RESTART (4 CPU) 19:19:02 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 25.10 0.00 1.86 2.22 0.08 70.72 19:20:01 0 18.69 0.00 1.30 0.73 0.07 79.21 19:20:01 1 16.40 0.00 1.31 5.38 0.10 76.81 19:20:01 2 46.14 0.00 3.36 2.41 0.10 47.98 19:20:01 3 19.23 0.00 1.49 0.39 0.07 78.83 19:21:01 all 17.53 0.00 1.83 1.71 0.08 78.86 19:21:01 0 33.85 0.00 2.78 1.58 0.10 61.68 19:21:01 1 9.72 0.00 1.62 3.09 0.08 85.48 19:21:01 2 10.34 0.00 1.66 2.06 0.05 85.90 19:21:01 3 16.15 0.00 1.24 0.12 0.07 82.43 Average: all 21.29 0.00 1.85 1.97 0.08 74.82 Average: 0 26.33 0.00 2.05 1.16 0.08 70.37 Average: 1 13.03 0.00 1.47 4.23 0.09 81.18 Average: 2 28.11 0.00 2.50 2.23 0.08 67.08 Average: 3 17.68 0.00 1.36 0.25 0.07 80.64