---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-32674 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/loop2 68M 68M 0 100% /snap/lxd/22753 /dev/loop0 62M 62M 0 100% /snap/core20/1405 /dev/loop1 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 667 12870 1 2471 15014 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:35:a9:f0 brd ff:ff:ff:ff:ff:ff inet 10.30.107.253/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86243sec preferred_lft 86243sec inet6 fe80::f816:3eff:fe35:a9f0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-32674) 08/02/25 _x86_64_ (4 CPU) 19:18:28 LINUX RESTART (4 CPU) 19:19:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 140.74 17.73 123.01 0.00 498.49 14021.64 0.00 19:21:01 137.89 11.30 126.60 0.00 1103.68 18162.97 0.00 Average: 139.30 14.48 124.82 0.00 803.63 16109.70 0.00 19:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13117436 14970472 1034468 6.31 85888 1942660 1761004 10.10 1229964 1761044 180780 19:21:01 13180136 15374036 620900 3.79 128792 2195364 1197644 6.87 912268 1965576 34572 Average: 13148786 15172254 827684 5.05 107340 2069012 1479324 8.48 1071116 1863310 107676 19:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1.29 1.29 0.16 0.16 0.00 0.00 0.00 0.00 19:20:01 ens3 285.63 215.20 2530.96 35.59 0.00 0.00 0.00 0.00 19:21:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 19:21:01 ens3 58.46 43.91 271.12 12.34 0.00 0.00 0.00 0.00 Average: lo 1.24 1.24 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 171.09 128.84 1391.55 23.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-32674) 08/02/25 _x86_64_ (4 CPU) 19:18:28 LINUX RESTART (4 CPU) 19:19:02 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 27.66 0.00 1.97 2.12 0.06 68.18 19:20:01 0 22.41 0.00 2.08 6.02 0.05 69.43 19:20:01 1 31.15 0.00 2.08 0.34 0.05 66.38 19:20:01 2 26.30 0.00 1.13 0.76 0.08 71.73 19:20:01 3 30.82 0.00 2.62 1.36 0.07 65.13 19:21:01 all 21.27 0.00 1.86 1.53 0.06 75.27 19:21:01 0 2.31 0.00 1.05 2.94 0.03 93.66 19:21:01 1 24.03 0.00 1.90 0.55 0.05 73.47 19:21:01 2 36.93 0.00 2.06 0.64 0.08 60.29 19:21:01 3 21.80 0.00 2.41 2.01 0.08 73.69 Average: all 24.44 0.00 1.91 1.82 0.06 71.75 Average: 0 12.27 0.00 1.56 4.47 0.04 81.65 Average: 1 27.55 0.00 1.99 0.45 0.05 69.96 Average: 2 31.63 0.00 1.59 0.70 0.08 66.00 Average: 3 26.27 0.00 2.52 1.69 0.08 69.44