---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-252 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 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 nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 472 5283 0 2220 7223 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:21:e6:bf brd ff:ff:ff:ff:ff:ff inet 10.32.6.153/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fe21:e6bf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-252) 05/07/26 _x86_64_ (4 CPU) 07:04:52 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 137.94 54.71 83.24 3592.07 40900.93 07:07:01 83.00 30.59 52.41 1707.58 9082.49 07:08:01 47.94 10.98 36.96 640.16 7620.20 07:09:01 24.86 0.35 24.51 33.73 5977.40 Average: 73.44 24.16 49.28 1493.38 15895.25 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5976800 7415424 2190612 26.82 37652 1580760 700180 7.60 585984 1440024 90256 07:07:01 5596420 7312260 2570992 31.48 58432 1821296 796580 8.64 709712 1663808 102772 07:08:01 5449776 7431868 2717636 33.27 65156 2073120 657484 7.13 718368 1788348 158952 07:09:01 5426272 7411672 2741140 33.56 67556 2074096 674368 7.32 744632 1784684 9416 Average: 5612317 7392806 2555095 31.28 57199 1887318 707153 7.67 689674 1669216 90349 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 358.71 224.65 1516.17 66.10 0.00 0.00 0.00 0.00 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 72.50 62.81 500.66 15.97 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 205.17 203.88 1796.15 687.49 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 14.40 13.96 16.41 6.48 0.00 0.00 0.00 0.00 07:09:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 162.69 126.32 957.35 194.01 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-252) 05/07/26 _x86_64_ (4 CPU) 07:04:52 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.68 0.00 2.64 4.06 1.55 69.08 07:06:01 0 18.37 0.00 4.40 2.39 1.23 73.61 07:06:01 1 18.33 0.00 2.52 6.74 1.81 70.60 07:06:01 2 20.37 0.00 1.63 2.06 1.49 74.46 07:06:01 3 33.69 0.00 2.02 5.02 1.62 57.65 07:07:01 all 24.21 0.00 1.60 2.17 1.76 70.26 07:07:01 0 39.22 0.00 2.16 1.10 1.71 55.81 07:07:01 1 8.61 0.00 1.17 4.82 1.78 83.61 07:07:01 2 27.40 0.00 1.55 0.32 1.79 68.94 07:07:01 3 21.69 0.00 1.52 2.42 1.77 72.59 07:08:01 all 35.15 0.00 1.92 1.07 2.84 59.02 07:08:01 0 31.77 0.00 2.12 2.47 2.77 60.86 07:08:01 1 49.29 0.00 2.55 1.44 2.75 43.97 07:08:01 2 33.33 0.00 1.41 0.21 2.91 62.14 07:08:01 3 26.16 0.00 1.63 0.18 2.92 69.11 07:09:01 all 20.47 0.00 0.94 0.79 1.02 76.79 07:09:01 0 5.19 0.00 0.53 1.36 0.99 91.93 07:09:01 1 36.97 0.00 1.18 1.40 1.22 59.23 07:09:01 2 5.93 0.00 0.53 0.05 0.60 92.89 07:09:01 3 33.86 0.00 1.51 0.33 1.28 63.01 Average: all 25.63 0.00 1.78 2.02 1.79 68.78 Average: 0 23.63 0.00 2.30 1.83 1.68 70.56 Average: 1 28.27 0.00 1.86 3.61 1.89 64.37 Average: 2 21.77 0.00 1.28 0.66 1.70 74.59 Average: 3 28.84 0.00 1.67 1.99 1.90 65.60