---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7158 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 8.9G 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/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 619 12638 0 2782 15092 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:88:2a:81 brd ff:ff:ff:ff:ff:ff inet 10.30.107.152/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86101sec preferred_lft 86101sec inet6 fe80::f816:3eff:fe88:2a81/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7158) 10/05/26 _x86_64_ (4 CPU) 09:18:27 LINUX RESTART (4 CPU) 09:19:01 tps rtps wtps bread/s bwrtn/s 09:20:01 135.76 16.35 119.41 1260.86 29717.05 09:21:01 136.00 20.79 115.21 1121.44 15805.43 09:22:01 21.21 5.45 15.76 228.36 2533.98 09:23:01 24.81 3.40 21.41 148.51 6462.52 Average: 79.45 11.50 67.95 689.83 13629.93 09:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:01 13780488 15597416 2644480 16.10 72488 1935140 725612 4.15 625248 1785680 194480 09:21:01 12797616 14957744 3627352 22.08 88700 2248684 1332512 7.63 1351780 2012332 54736 09:22:01 11988528 14173320 4436440 27.01 89892 2270708 2153408 12.32 2178184 1989248 1756 09:23:01 12955384 15474872 3469584 21.12 91892 2599492 828268 4.74 1016368 2180516 176028 Average: 12880504 15050838 3544464 21.58 85743 2263506 1259950 7.21 1292895 1991944 106750 09:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:01 ens3 157.34 118.13 1711.09 31.94 0.00 0.00 0.00 0.00 09:20:01 lo 1.07 1.07 0.13 0.13 0.00 0.00 0.00 0.00 09:21:01 ens3 357.32 315.89 3612.02 68.90 0.00 0.00 0.00 0.00 09:21:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 09:22:01 ens3 156.16 112.70 153.68 68.10 0.00 0.00 0.00 0.00 09:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 ens3 166.66 152.94 367.45 1237.75 0.00 0.00 0.00 0.00 09:23:01 lo 1.65 1.65 1.00 1.00 0.00 0.00 0.00 0.00 Average: ens3 209.38 174.93 1461.24 351.65 0.00 0.00 0.00 0.00 Average: lo 0.76 0.76 0.29 0.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7158) 10/05/26 _x86_64_ (4 CPU) 09:18:27 LINUX RESTART (4 CPU) 09:19:01 CPU %user %nice %system %iowait %steal %idle 09:20:01 all 16.15 0.00 1.35 2.29 0.01 80.20 09:20:01 0 16.01 0.00 1.56 2.22 0.02 80.20 09:20:01 1 13.45 0.00 0.95 1.80 0.02 83.78 09:20:01 2 28.96 0.00 2.04 1.32 0.02 67.66 09:20:01 3 6.21 0.00 0.87 3.79 0.02 89.12 09:21:01 all 31.91 0.00 2.09 0.48 0.01 65.51 09:21:01 0 25.32 0.00 1.34 0.12 0.00 73.22 09:21:01 1 40.66 0.00 2.22 0.28 0.02 56.82 09:21:01 2 30.86 0.00 1.71 0.40 0.02 67.02 09:21:01 3 30.87 0.00 3.12 1.11 0.00 64.91 09:22:01 all 76.71 0.00 2.28 0.09 0.03 20.89 09:22:01 0 76.29 0.00 1.98 0.08 0.03 21.61 09:22:01 1 79.02 0.00 2.38 0.13 0.02 18.45 09:22:01 2 83.50 0.00 2.45 0.08 0.05 13.92 09:22:01 3 68.03 0.00 2.31 0.05 0.02 29.59 09:23:01 all 50.94 0.00 2.23 0.15 0.03 46.67 09:23:01 0 51.42 0.00 2.25 0.08 0.03 46.21 09:23:01 1 48.70 0.00 1.35 0.00 0.03 49.92 09:23:01 2 44.04 0.00 2.85 0.35 0.02 52.74 09:23:01 3 59.60 0.00 2.46 0.15 0.03 37.75 Average: all 43.90 0.00 1.99 0.75 0.02 53.34 Average: 0 42.18 0.00 1.78 0.63 0.02 55.39 Average: 1 45.45 0.00 1.72 0.56 0.02 52.25 Average: 2 46.82 0.00 2.26 0.54 0.03 50.35 Average: 3 41.14 0.00 2.19 1.28 0.02 55.38