---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-21153 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/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 /dev/loop1 68M 68M 0 100% /snap/lxd/22753 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 598 13005 1 2404 15085 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:d2:62:19 brd ff:ff:ff:ff:ff:ff inet 10.30.107.29/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86217sec preferred_lft 86217sec inet6 fe80::f816:3eff:fed2:6219/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-21153) 04/06/24 _x86_64_ (4 CPU) 19:18:56 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 124.59 51.00 73.59 0.00 4632.86 50255.11 0.00 19:21:01 119.61 19.00 100.62 0.00 500.85 12574.19 0.00 Average: 122.10 35.00 87.10 0.00 2567.02 31416.22 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13813000 15436688 584088 3.56 65888 1745604 1214208 6.96 785052 1540760 168740 19:21:01 12995220 14981496 1011472 6.17 104196 2041448 1748040 10.02 1263864 1822292 190860 Average: 13404110 15209092 797780 4.87 85042 1893526 1481124 8.49 1024458 1681526 179800 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 ens3 328.04 221.69 1427.68 57.17 0.00 0.00 0.00 0.00 19:20:01 lo 1.67 1.67 0.18 0.18 0.00 0.00 0.00 0.00 19:21:01 ens3 186.89 158.37 1670.99 46.72 0.00 0.00 0.00 0.00 19:21:01 lo 1.53 1.53 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 257.47 190.04 1549.32 51.95 0.00 0.00 0.00 0.00 Average: lo 1.60 1.60 0.17 0.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-21153) 04/06/24 _x86_64_ (4 CPU) 19:18:56 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 19.25 0.00 2.26 4.62 0.18 73.69 19:20:01 0 7.51 0.00 2.15 7.18 0.05 83.10 19:20:01 1 33.28 0.00 2.77 4.07 0.09 59.79 19:20:01 2 11.41 0.00 1.70 0.56 0.09 86.24 19:20:01 3 24.47 0.00 2.40 6.56 0.47 66.10 19:21:01 all 27.88 0.00 2.12 2.36 0.08 67.56 19:21:01 0 15.84 0.00 2.07 4.02 0.07 78.00 19:21:01 1 46.87 0.00 2.56 0.69 0.08 49.79 19:21:01 2 15.22 0.00 1.43 3.46 0.08 79.81 19:21:01 3 33.73 0.00 2.41 1.27 0.08 62.51 Average: all 23.64 0.00 2.19 3.47 0.13 70.57 Average: 0 11.77 0.00 2.11 5.56 0.06 80.49 Average: 1 40.20 0.00 2.66 2.35 0.09 54.70 Average: 2 13.36 0.00 1.56 2.05 0.09 82.94 Average: 3 29.11 0.00 2.40 3.91 0.28 64.30