---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-9273 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 8.7G 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/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 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 646 12797 1 2564 15027 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:ac:ce:5a brd ff:ff:ff:ff:ff:ff inet 10.30.106.132/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86252sec preferred_lft 86252sec inet6 fe80::f816:3eff:feac:ce5a/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-9273) 05/09/26 _x86_64_ (4 CPU) 19:17:47 LINUX RESTART (4 CPU) 19:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:19:02 346.19 42.94 303.25 0.00 3766.57 11970.67 0.00 19:20:01 171.75 20.74 151.01 0.00 1316.79 23159.21 0.00 Average: 259.70 31.94 227.77 0.00 2551.97 17517.94 0.00 19:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:19:02 13587644 15349896 650620 3.97 77592 1872600 1495304 8.57 832732 1701092 295124 19:20:01 13106724 15392672 591312 3.61 128012 2292576 1191304 6.83 900568 2043356 174224 Average: 13347184 15371284 620966 3.79 102802 2082588 1343304 7.70 866650 1872224 234674 19:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:19:02 ens3 441.23 285.55 2461.01 84.64 0.00 0.00 0.00 0.00 19:19:02 lo 1.73 1.73 0.20 0.20 0.00 0.00 0.00 0.00 19:20:01 ens3 169.99 146.31 2126.62 28.32 0.00 0.00 0.00 0.00 19:20:01 lo 1.29 1.29 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 306.75 216.52 2295.22 56.72 0.00 0.00 0.00 0.00 Average: lo 1.51 1.51 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-9273) 05/09/26 _x86_64_ (4 CPU) 19:17:47 LINUX RESTART (4 CPU) 19:18:01 CPU %user %nice %system %iowait %steal %idle 19:19:02 all 25.18 0.00 2.38 2.78 0.07 69.60 19:19:02 0 51.82 0.00 3.98 2.36 0.08 41.76 19:19:02 1 20.89 0.00 1.90 0.82 0.05 76.34 19:19:02 2 16.27 0.00 1.55 1.77 0.10 80.31 19:19:02 3 11.80 0.00 2.07 6.17 0.03 79.93 19:20:01 all 25.48 0.00 2.39 1.40 0.07 70.66 19:20:01 0 12.75 0.00 2.84 0.60 0.05 83.76 19:20:01 1 27.41 0.00 2.09 1.51 0.07 68.93 19:20:01 2 49.47 0.00 3.22 1.24 0.08 45.99 19:20:01 3 12.19 0.00 1.41 2.25 0.07 84.08 Average: all 25.33 0.00 2.38 2.09 0.07 70.13 Average: 0 32.45 0.00 3.41 1.48 0.07 62.59 Average: 1 24.12 0.00 1.99 1.16 0.06 72.66 Average: 2 32.73 0.00 2.38 1.50 0.09 63.29 Average: 3 11.99 0.00 1.75 4.23 0.05 81.99