---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-12169 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/loop0 68M 68M 0 100% /snap/lxd/22753 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop1 62M 62M 0 100% /snap/core20/1405 /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 594 12998 1 2415 15086 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:2f:ca:a3 brd ff:ff:ff:ff:ff:ff inet 10.30.107.67/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86226sec preferred_lft 86226sec inet6 fe80::f816:3eff:fe2f:caa3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-12169) 03/09/24 _x86_64_ (4 CPU) 19:19:28 LINUX RESTART (4 CPU) 19:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:21:01 102.52 19.15 83.38 0.00 1272.87 10211.98 0.00 19:22:01 120.91 12.60 108.32 0.00 385.27 14171.24 0.00 Average: 111.80 15.85 95.95 0.00 825.34 12208.24 0.00 19:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:21:01 13576536 15313516 694648 4.24 77136 1842948 1511168 8.66 890336 1656164 132196 19:22:01 13373876 15510224 478000 2.92 124212 2148252 1091488 6.26 767576 1915428 170260 Average: 13475206 15411870 586324 3.58 100674 1995600 1301328 7.46 828956 1785796 151228 19:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:21:01 ens3 111.49 77.22 1455.90 32.32 0.00 0.00 0.00 0.00 19:21:01 lo 1.22 1.22 0.13 0.13 0.00 0.00 0.00 0.00 19:22:01 ens3 132.98 108.43 877.06 26.53 0.00 0.00 0.00 0.00 19:22:01 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 122.32 92.96 1164.05 29.40 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-12169) 03/09/24 _x86_64_ (4 CPU) 19:19:28 LINUX RESTART (4 CPU) 19:20:02 CPU %user %nice %system %iowait %steal %idle 19:21:01 all 22.78 0.00 1.69 3.12 0.07 72.34 19:21:01 0 11.56 0.00 1.33 6.27 0.05 80.79 19:21:01 1 30.78 0.00 1.92 0.58 0.07 66.66 19:21:01 2 31.48 0.00 2.26 2.31 0.08 63.86 19:21:01 3 17.28 0.00 1.26 3.31 0.07 78.08 19:22:01 all 23.58 0.00 1.93 2.77 0.08 71.64 19:22:01 0 16.23 0.00 1.72 4.40 0.08 77.57 19:22:01 1 24.58 0.00 1.84 1.09 0.07 72.42 19:22:01 2 36.79 0.00 2.57 1.25 0.08 59.29 19:22:01 3 16.76 0.00 1.60 4.34 0.07 77.24 Average: all 23.19 0.00 1.81 2.94 0.07 71.99 Average: 0 13.92 0.00 1.52 5.33 0.07 79.16 Average: 1 27.66 0.00 1.88 0.83 0.07 69.56 Average: 2 34.16 0.00 2.42 1.78 0.08 61.56 Average: 3 17.01 0.00 1.43 3.83 0.07 77.65