---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-24793 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/loop1 68M 68M 0 100% /snap/lxd/22753 /dev/loop0 62M 62M 0 100% /snap/core20/1405 /dev/vda15 105M 6.1M 99M 6% /boot/efi /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 640 12959 1 2409 15040 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:d3:b9:7e brd ff:ff:ff:ff:ff:ff inet 10.30.106.62/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86221sec preferred_lft 86221sec inet6 fe80::f816:3eff:fed3:b97e/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-24793) 04/20/24 _x86_64_ (4 CPU) 19:20:12 LINUX RESTART (4 CPU) 19:21:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:22:01 128.83 29.37 99.47 0.00 1532.02 12334.80 0.00 19:23:01 111.25 2.85 108.40 0.00 150.77 16211.96 0.00 Average: 119.89 15.89 104.01 0.00 829.76 14306.07 0.00 19:21:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:22:01 13205420 15007040 998260 6.09 84344 1896096 1715228 9.83 1211432 1696772 114380 19:23:01 13260580 15390160 602772 3.68 126112 2140396 1230664 7.06 896984 1905280 29376 Average: 13233000 15198600 800516 4.88 105228 2018246 1472946 8.44 1054208 1801026 71878 19:21:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:22:01 ens3 164.48 138.26 1742.20 34.67 0.00 0.00 0.00 0.00 19:22:01 lo 1.10 1.10 0.12 0.12 0.00 0.00 0.00 0.00 19:23:01 ens3 45.08 40.06 337.71 21.96 0.00 0.00 0.00 0.00 19:23:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 103.77 88.33 1028.11 28.20 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 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-24793) 04/20/24 _x86_64_ (4 CPU) 19:20:12 LINUX RESTART (4 CPU) 19:21:02 CPU %user %nice %system %iowait %steal %idle 19:22:01 all 26.80 0.00 2.01 3.14 0.06 67.99 19:22:01 0 42.10 0.00 2.69 1.12 0.07 54.02 19:22:01 1 28.93 0.00 2.10 3.38 0.07 65.52 19:22:01 2 15.52 0.00 1.38 1.54 0.03 81.53 19:22:01 3 20.79 0.00 1.87 6.55 0.07 70.73 19:23:01 all 20.28 0.00 1.69 3.56 0.07 74.40 19:23:01 0 16.54 0.00 1.72 4.06 0.07 77.62 19:23:01 1 4.63 0.00 0.87 1.75 0.07 92.68 19:23:01 2 36.49 0.00 2.17 1.34 0.07 59.94 19:23:01 3 23.46 0.00 2.00 7.10 0.07 67.37 Average: all 23.49 0.00 1.85 3.36 0.06 71.24 Average: 0 29.10 0.00 2.20 2.62 0.07 66.02 Average: 1 16.58 0.00 1.48 2.55 0.07 79.32 Average: 2 26.11 0.00 1.78 1.44 0.05 70.62 Average: 3 22.15 0.00 1.93 6.83 0.07 69.02