---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-311 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 8.7G 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/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/loop2 44M 44M 0 100% /snap/snapd/15177 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 656 12784 1 2569 15026 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:4a:97:35 brd ff:ff:ff:ff:ff:ff inet 10.30.106.211/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86249sec preferred_lft 86249sec inet6 fe80::f816:3eff:fe4a:9735/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-311) 05/16/26 _x86_64_ (4 CPU) 19:18:55 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 357.37 40.06 317.31 0.00 3639.39 36245.83 0.00 19:21:01 170.62 28.33 142.29 0.00 1584.80 21886.77 0.00 Average: 264.00 34.19 229.80 0.00 2612.10 29066.30 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13731208 15408372 608176 3.71 74940 1786456 1207380 6.92 765348 1633136 210816 19:21:01 13097764 15387496 607688 3.71 127564 2290344 1224392 7.02 897312 2059116 197632 Average: 13414486 15397934 607932 3.71 101252 2038400 1215886 6.97 831330 1846126 204224 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1.93 1.93 0.22 0.22 0.00 0.00 0.00 0.00 19:20:01 ens3 374.74 260.87 1905.43 76.88 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 229.90 172.99 2652.61 37.83 0.00 0.00 0.00 0.00 Average: lo 1.67 1.67 0.18 0.18 0.00 0.00 0.00 0.00 Average: ens3 302.32 216.93 2279.02 57.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-311) 05/16/26 _x86_64_ (4 CPU) 19:18:55 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 21.63 0.00 2.30 5.57 0.07 70.43 19:20:01 0 10.21 0.00 2.07 3.28 0.05 84.39 19:20:01 1 30.42 0.00 2.52 5.45 0.08 61.53 19:20:01 2 19.98 0.00 2.38 11.70 0.07 65.87 19:20:01 3 25.93 0.00 2.21 1.84 0.08 69.93 19:21:01 all 26.69 0.00 2.48 2.18 0.08 68.58 19:21:01 0 52.03 0.00 3.82 2.45 0.07 41.63 19:21:01 1 20.56 0.00 2.17 2.59 0.08 74.59 19:21:01 2 19.38 0.00 1.69 3.18 0.05 75.70 19:21:01 3 14.67 0.00 2.22 0.47 0.10 82.54 Average: all 24.16 0.00 2.39 3.87 0.07 69.51 Average: 0 31.14 0.00 2.95 2.87 0.06 62.98 Average: 1 25.49 0.00 2.35 4.02 0.08 68.06 Average: 2 19.68 0.00 2.03 7.44 0.06 70.79 Average: 3 20.31 0.00 2.22 1.16 0.09 76.22