---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-3597 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/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop0 62M 62M 0 100% /snap/core20/1405 /dev/loop1 44M 44M 0 100% /snap/snapd/15177 /dev/loop2 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 656 12860 1 2491 15025 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:2e:0b:5f brd ff:ff:ff:ff:ff:ff inet 10.30.106.200/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86236sec preferred_lft 86236sec inet6 fe80::f816:3eff:fe2e:b5f/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-3597) 10/18/25 _x86_64_ (4 CPU) 19:18:30 LINUX RESTART (4 CPU) 19:19:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 134.66 12.12 122.54 0.00 393.29 14199.24 0.00 19:21:01 149.39 16.68 132.71 0.00 1200.47 18628.23 0.00 Average: 142.09 14.42 127.67 0.00 800.27 16432.34 0.00 19:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13217672 15034204 970484 5.92 81904 1912304 1627836 9.33 1155868 1738552 140800 19:21:01 13209816 15421468 569748 3.48 128476 2212744 1182948 6.78 860976 1982652 34440 Average: 13213744 15227836 770116 4.70 105190 2062524 1405392 8.06 1008422 1860602 87620 19:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1.22 1.22 0.15 0.15 0.00 0.00 0.00 0.00 19:20:01 ens3 218.22 169.65 2657.73 34.82 0.00 0.00 0.00 0.00 19:21:01 lo 1.40 1.40 0.15 0.15 0.00 0.00 0.00 0.00 19:21:01 ens3 52.39 39.26 417.80 12.45 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 134.61 103.91 1528.35 23.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-3597) 10/18/25 _x86_64_ (4 CPU) 19:18:30 LINUX RESTART (4 CPU) 19:19:02 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 26.85 0.00 1.71 3.03 0.07 68.34 19:20:01 0 19.27 0.00 1.27 1.68 0.07 77.71 19:20:01 1 25.56 0.00 1.73 5.29 0.07 67.35 19:20:01 2 43.03 0.00 2.88 4.48 0.07 49.55 19:20:01 3 19.57 0.00 0.97 0.68 0.07 78.71 19:21:01 all 20.36 0.00 2.22 3.06 0.06 74.30 19:21:01 0 39.46 0.00 2.89 0.75 0.07 56.83 19:21:01 1 3.53 0.00 1.37 3.01 0.07 92.03 19:21:01 2 5.78 0.00 1.71 6.35 0.05 86.11 19:21:01 3 32.54 0.00 2.89 2.16 0.07 62.35 Average: all 23.58 0.00 1.97 3.04 0.07 71.35 Average: 0 29.44 0.00 2.08 1.21 0.07 67.20 Average: 1 14.45 0.00 1.55 4.14 0.07 79.79 Average: 2 24.28 0.00 2.29 5.42 0.06 67.95 Average: 3 26.12 0.00 1.94 1.42 0.07 70.45