---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-77973 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 68M 68M 0 100% /snap/lxd/22753 /dev/loop1 44M 44M 0 100% /snap/snapd/15177 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop2 62M 62M 0 100% /snap/core20/1405 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 655 12945 1 2407 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:ce:d8:55 brd ff:ff:ff:ff:ff:ff inet 10.30.107.239/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86245sec preferred_lft 86245sec inet6 fe80::f816:3eff:fece:d855/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-77973) 10/19/24 _x86_64_ (4 CPU) 19:18:47 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 228.13 23.45 204.68 0.00 1847.96 8526.31 0.00 19:21:01 153.21 20.00 133.21 0.00 613.63 17259.41 0.00 Average: 190.67 21.72 168.95 0.00 1230.79 12892.86 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13736344 15425540 589460 3.60 77092 1796664 1180528 6.77 777316 1617412 213384 19:21:01 13247996 15375884 619528 3.78 126052 2138220 1241036 7.12 907428 1907016 186120 Average: 13492170 15400712 604494 3.69 101572 1967442 1210782 6.94 842372 1762214 199752 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 ens3 166.54 111.63 1174.86 44.32 0.00 0.00 0.00 0.00 19:20:01 lo 1.47 1.47 0.16 0.16 0.00 0.00 0.00 0.00 19:21:01 ens3 160.34 137.93 1534.63 36.18 0.00 0.00 0.00 0.00 19:21:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 163.44 124.78 1354.75 40.25 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-77973) 10/19/24 _x86_64_ (4 CPU) 19:18:47 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 21.60 0.00 2.15 3.64 0.07 72.54 19:20:01 0 20.93 0.00 2.27 0.98 0.10 75.71 19:20:01 1 23.09 0.00 2.50 6.06 0.08 68.27 19:20:01 2 18.35 0.00 1.81 7.00 0.05 72.79 19:20:01 3 24.01 0.00 2.04 0.55 0.05 73.36 19:21:01 all 26.57 0.00 2.20 3.47 0.07 67.69 19:21:01 0 16.05 0.00 1.65 1.57 0.05 80.68 19:21:01 1 33.70 0.00 2.51 5.90 0.07 57.82 19:21:01 2 29.13 0.00 2.79 4.67 0.07 63.35 19:21:01 3 27.43 0.00 1.87 1.72 0.08 68.90 Average: all 24.08 0.00 2.18 3.55 0.07 70.12 Average: 0 18.49 0.00 1.96 1.28 0.08 78.19 Average: 1 28.41 0.00 2.50 5.98 0.08 63.03 Average: 2 23.73 0.00 2.30 5.84 0.06 68.07 Average: 3 25.71 0.00 1.95 1.13 0.07 71.14