---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-16418 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: 2800.000 BogoMIPS: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 8.8G 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/loop2 44M 44M 0 100% /snap/snapd/15177 /dev/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 616 12757 1 2635 15058 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:b0:54:34 brd ff:ff:ff:ff:ff:ff inet 10.30.107.86/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86229sec preferred_lft 86229sec inet6 fe80::f816:3eff:feb0:5434/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-16418) 08/29/26 _x86_64_ (4 CPU) 19:44:24 LINUX RESTART (4 CPU) 19:45:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:46:01 115.66 8.64 107.02 0.00 332.96 14281.94 0.00 19:47:01 132.39 20.23 112.16 0.00 1292.32 18434.53 0.00 Average: 124.10 14.48 109.61 0.00 816.67 16375.68 0.00 19:45:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:46:01 13282728 15195624 800888 4.89 80856 2014104 1529520 8.77 983912 1840580 233568 19:47:01 13057200 15411180 573780 3.50 127964 2352692 1174872 6.74 880288 2102920 144092 Average: 13169964 15303402 687334 4.19 104410 2183398 1352196 7.75 932100 1971750 188830 19:45:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:46:01 lo 1.08 1.08 0.13 0.13 0.00 0.00 0.00 0.00 19:46:01 ens3 224.37 177.55 3010.13 40.94 0.00 0.00 0.00 0.00 19:47:01 lo 0.93 0.93 0.10 0.10 0.00 0.00 0.00 0.00 19:47:01 ens3 104.43 86.22 771.06 19.44 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 163.90 131.50 1881.19 30.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-16418) 08/29/26 _x86_64_ (4 CPU) 19:44:24 LINUX RESTART (4 CPU) 19:45:02 CPU %user %nice %system %iowait %steal %idle 19:46:01 all 22.77 0.00 1.83 2.29 0.02 73.09 19:46:01 0 52.66 0.00 3.84 1.43 0.03 42.04 19:46:01 1 9.86 0.00 0.83 0.02 0.02 89.28 19:46:01 2 15.44 0.00 1.48 3.35 0.02 79.71 19:46:01 3 13.16 0.00 1.17 4.35 0.02 81.31 19:47:01 all 22.06 0.00 2.29 1.55 0.02 74.07 19:47:01 0 20.36 0.00 1.79 0.15 0.02 77.69 19:47:01 1 23.17 0.00 3.07 2.06 0.02 71.68 19:47:01 2 15.91 0.00 2.21 3.07 0.02 78.79 19:47:01 3 28.80 0.00 2.11 0.95 0.02 68.13 Average: all 22.41 0.00 2.06 1.92 0.02 73.58 Average: 0 36.37 0.00 2.81 0.78 0.03 60.02 Average: 1 16.57 0.00 1.96 1.04 0.02 80.41 Average: 2 15.68 0.00 1.85 3.21 0.02 79.25 Average: 3 21.04 0.00 1.64 2.64 0.02 74.67