---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1861 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian 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: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 xtopology 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 arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 672K 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/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 615 13278 0 2145 15111 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:cf:7f:1b brd ff:ff:ff:ff:ff:ff inet 10.30.107.51/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fecf:7f1b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1861) 11/09/26 _x86_64_ (4 CPU) 05:15:52 LINUX RESTART (4 CPU) 05:16:01 tps rtps wtps bread/s bwrtn/s 05:17:01 282.61 33.97 248.63 1261.45 63142.95 05:18:01 118.95 10.83 108.12 252.76 18681.69 05:19:01 1.35 0.00 1.35 0.00 23.46 05:20:01 22.21 5.10 17.11 194.90 2051.12 Average: 106.29 12.48 93.81 427.31 20976.56 05:16:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:17:01 13960516 15534076 2464452 15.00 61584 1713320 820888 4.70 676188 1573800 178052 05:18:01 13428100 15234464 2996868 18.25 72408 1923300 1284072 7.35 993136 1765004 236 05:19:01 13422776 15229120 3002192 18.28 72452 1923304 1284072 7.35 998064 1764996 180 05:20:01 13582976 15457780 2841992 17.30 75068 1987652 878948 5.03 790924 1811076 28452 Average: 13598592 15363860 2826376 17.21 70378 1886894 1066995 6.11 864578 1728719 51730 05:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:17:01 ens3 329.37 245.10 1810.96 74.44 0.00 0.00 0.00 0.00 05:17:01 lo 1.20 1.20 0.14 0.14 0.00 0.00 0.00 0.00 05:18:01 ens3 97.27 75.39 1022.25 20.97 0.00 0.00 0.00 0.00 05:18:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 05:19:01 ens3 1.15 1.08 0.68 1.33 0.00 0.00 0.00 0.00 05:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 ens3 90.15 74.05 785.38 12.56 0.00 0.00 0.00 0.00 05:20:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 129.49 98.91 904.85 27.33 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1861) 11/09/26 _x86_64_ (4 CPU) 05:15:52 LINUX RESTART (4 CPU) 05:16:01 CPU %user %nice %system %iowait %steal %idle 05:17:01 all 19.32 0.00 1.80 5.87 0.00 73.01 05:17:01 0 11.41 0.00 1.15 7.81 0.00 79.63 05:17:01 1 30.29 0.00 2.90 8.39 0.00 58.41 05:17:01 2 23.05 0.00 1.57 4.16 0.00 71.23 05:17:01 3 12.52 0.00 1.54 3.12 0.00 82.82 05:18:01 all 12.68 0.00 0.98 0.81 0.01 85.53 05:18:01 0 8.62 0.00 0.75 0.45 0.00 90.18 05:18:01 1 8.39 0.00 0.33 0.94 0.00 90.34 05:18:01 2 25.63 0.00 1.67 0.25 0.00 72.45 05:18:01 3 8.12 0.00 1.19 1.56 0.00 89.13 05:19:01 all 0.44 0.00 0.05 0.01 0.00 99.49 05:19:01 0 0.15 0.00 0.02 0.00 0.00 99.83 05:19:01 1 1.42 0.00 0.13 0.02 0.00 98.43 05:19:01 2 0.08 0.00 0.02 0.00 0.02 99.88 05:19:01 3 0.08 0.00 0.05 0.05 0.00 99.82 05:20:01 all 12.38 0.00 0.80 0.08 0.01 86.72 05:20:01 0 11.62 0.00 1.10 0.03 0.02 87.23 05:20:01 1 13.17 0.00 0.62 0.15 0.02 86.04 05:20:01 2 19.21 0.00 0.92 0.08 0.02 79.77 05:20:01 3 5.52 0.00 0.57 0.10 0.00 93.81 Average: all 11.19 0.00 0.91 1.69 0.00 86.21 Average: 0 7.95 0.00 0.75 2.07 0.00 89.22 Average: 1 13.27 0.00 0.99 2.37 0.00 83.37 Average: 2 16.99 0.00 1.04 1.12 0.01 80.84 Average: 3 6.55 0.00 0.84 1.20 0.00 91.41