---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-8643 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 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/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop2 44M 44M 0 100% /snap/snapd/15177 /dev/loop0 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 614 12919 1 2475 15069 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:cf:0f:41 brd ff:ff:ff:ff:ff:ff inet 10.30.107.151/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86217sec preferred_lft 86217sec inet6 fe80::f816:3eff:fecf:f41/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-8643) 12/30/23 _x86_64_ (4 CPU) 19:18:40 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 89.80 11.91 77.89 0.00 1049.29 37684.27 0.00 19:21:02 129.65 19.28 110.36 0.00 516.58 16160.11 0.00 Average: 109.72 15.60 94.13 0.00 782.94 26922.19 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13749172 15452508 561556 3.43 74804 1811868 1140696 6.54 739772 1638320 176620 19:21:02 13224244 15405980 588468 3.59 123760 2189240 1165692 6.68 868244 1964248 226644 Average: 13486708 15429244 575012 3.51 99282 2000554 1153194 6.61 804008 1801284 201632 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 ens3 67.91 46.44 1141.17 9.20 0.00 0.00 0.00 0.00 19:20:01 lo 1.40 1.40 0.15 0.15 0.00 0.00 0.00 0.00 19:21:02 ens3 186.85 145.18 1423.00 52.67 0.00 0.00 0.00 0.00 19:21:02 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 127.38 95.81 1282.09 30.93 0.00 0.00 0.00 0.00 Average: lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-8643) 12/30/23 _x86_64_ (4 CPU) 19:18:40 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 19.56 0.00 1.55 3.73 0.06 75.10 19:20:01 0 18.37 0.00 1.35 4.12 0.07 76.10 19:20:01 1 26.42 0.00 2.28 7.20 0.08 64.02 19:20:01 2 20.87 0.00 1.57 2.33 0.07 75.17 19:20:01 3 12.56 0.00 1.00 1.25 0.03 85.15 19:21:02 all 25.81 0.00 2.26 4.43 0.08 67.43 19:21:02 0 23.80 0.00 1.70 4.14 0.08 70.27 19:21:02 1 22.11 0.00 2.34 2.28 0.08 73.19 19:21:02 2 14.70 0.00 1.91 8.79 0.07 74.53 19:21:02 3 42.56 0.00 3.07 2.50 0.08 51.78 Average: all 22.68 0.00 1.90 4.08 0.07 71.27 Average: 0 21.08 0.00 1.53 4.13 0.08 73.19 Average: 1 24.27 0.00 2.31 4.74 0.08 68.59 Average: 2 17.79 0.00 1.74 5.56 0.07 74.85 Average: 3 27.58 0.00 2.04 1.88 0.06 68.45