---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-4598 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: 2799.996 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 8.4G 70G 11% / 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 44M 44M 0 100% /snap/snapd/15177 /dev/loop0 62M 62M 0 100% /snap/core20/1405 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop2 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 662 13238 1 2109 15023 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:d1:36:5a brd ff:ff:ff:ff:ff:ff inet 10.30.107.108/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86272sec preferred_lft 86272sec inet6 fe80::f816:3eff:fed1:365a/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-4598) 01/10/26 _x86_64_ (4 CPU) 19:17:58 LINUX RESTART (4 CPU) 19:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:19:01 390.24 40.70 349.53 0.00 3655.31 88950.08 0.00 19:20:01 109.42 12.25 97.17 0.00 452.06 13589.09 0.00 Average: 249.84 26.48 223.36 0.00 2053.82 51272.72 0.00 19:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:19:01 13801548 15401384 608320 3.71 72428 1722624 1203576 6.90 764876 1568876 162880 19:20:01 13495596 15322744 674988 4.12 85132 1925964 1296440 7.43 884096 1733456 26072 Average: 13648572 15362064 641654 3.91 78780 1824294 1250008 7.17 824486 1651166 94476 19:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:19:01 ens3 402.08 277.49 1709.62 77.94 0.00 0.00 0.00 0.00 19:19:01 lo 1.93 1.93 0.22 0.22 0.00 0.00 0.00 0.00 19:20:01 ens3 200.32 150.91 1955.00 35.57 0.00 0.00 0.00 0.00 19:20:01 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 301.21 214.20 1832.30 56.76 0.00 0.00 0.00 0.00 Average: lo 1.47 1.47 0.16 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-4598) 01/10/26 _x86_64_ (4 CPU) 19:17:58 LINUX RESTART (4 CPU) 19:18:01 CPU %user %nice %system %iowait %steal %idle 19:19:01 all 21.03 0.00 2.59 3.02 0.07 73.30 19:19:01 0 11.12 0.00 2.61 7.27 0.07 78.94 19:19:01 1 16.65 0.00 1.80 0.97 0.07 80.51 19:19:01 2 28.65 0.00 3.40 3.25 0.07 64.64 19:19:01 3 27.69 0.00 2.54 0.62 0.07 69.09 19:20:01 all 28.00 0.00 1.71 0.76 0.07 69.46 19:20:01 0 16.26 0.00 1.13 1.50 0.07 81.03 19:20:01 1 43.66 0.00 1.73 0.68 0.05 53.87 19:20:01 2 42.05 0.00 2.92 0.28 0.08 54.65 19:20:01 3 10.19 0.00 1.08 0.56 0.07 88.11 Average: all 24.52 0.00 2.15 1.89 0.07 71.37 Average: 0 13.69 0.00 1.87 4.38 0.07 79.99 Average: 1 30.17 0.00 1.77 0.83 0.06 67.18 Average: 2 35.35 0.00 3.16 1.76 0.08 59.64 Average: 3 18.90 0.00 1.80 0.59 0.07 78.64