---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4867 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 7.7G 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 479 5212 0 2283 7213 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:b4:a4:0c brd ff:ff:ff:ff:ff:ff inet 10.32.7.72/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:feb4:a40c/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-4867) 07/03/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 106.58 37.83 68.76 1559.47 6451.61 07:07:01 65.46 18.79 46.67 1320.59 8928.39 07:08:01 59.37 19.83 39.54 930.24 7215.06 07:09:01 30.14 3.40 26.74 129.29 8215.13 Average: 65.39 19.97 45.42 983.46 7697.44 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5910272 7387184 2257140 27.64 40396 1613596 719360 7.81 625656 1460900 107840 07:07:01 5696060 7454200 2471352 30.26 58452 1860736 822820 8.93 556736 1712220 156756 07:08:01 5371872 7404436 2795540 34.23 66008 2120764 677420 7.35 739296 1839760 210960 07:09:01 5404004 7451584 2763408 33.83 68336 2132608 629160 6.83 701276 1844228 8772 Average: 5595552 7424351 2571860 31.49 58298 1931926 712190 7.73 655741 1714277 121082 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 07:06:02 ens3 453.49 223.91 1481.16 64.78 0.00 0.00 0.00 0.00 07:07:01 lo 1.42 1.42 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 66.72 48.84 538.26 14.07 0.00 0.00 0.00 0.00 07:08:01 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 07:08:01 ens3 172.77 157.46 1860.50 23.31 0.00 0.00 0.00 0.00 07:09:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 07:09:01 ens3 58.06 64.66 30.87 671.17 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 188.26 124.03 979.50 194.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4867) 07/03/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 23.48 0.00 1.71 3.62 1.76 69.43 07:06:02 0 7.80 0.00 1.11 1.83 1.10 88.15 07:06:02 1 28.84 0.00 1.87 7.94 2.19 59.16 07:06:02 2 42.59 0.00 2.35 1.68 2.26 51.12 07:06:02 3 14.69 0.00 1.48 2.99 1.49 79.35 07:07:01 all 20.62 0.00 1.48 2.19 1.57 74.14 07:07:01 0 29.70 0.00 1.54 1.49 1.30 65.97 07:07:01 1 3.40 0.00 0.85 4.10 1.84 89.80 07:07:01 2 31.14 0.00 2.39 0.67 1.79 64.00 07:07:01 3 18.36 0.00 1.16 2.48 1.35 76.65 07:08:01 all 37.67 0.00 1.96 1.27 3.41 55.69 07:08:01 0 43.15 0.00 2.42 1.96 4.29 48.18 07:08:01 1 40.39 0.00 1.86 1.71 3.13 52.92 07:08:01 2 36.61 0.00 1.63 0.33 3.30 58.13 07:08:01 3 30.55 0.00 1.94 1.06 2.94 63.51 07:09:01 all 20.41 0.00 1.01 1.01 1.02 76.56 07:09:01 0 20.64 0.00 0.98 2.58 0.88 74.93 07:09:01 1 34.83 0.00 1.48 0.87 1.12 61.70 07:09:01 2 15.03 0.00 0.83 0.08 1.36 82.70 07:09:01 3 11.14 0.00 0.75 0.50 0.70 86.91 Average: all 25.56 0.00 1.54 2.02 1.94 68.93 Average: 0 25.31 0.00 1.52 1.97 1.89 69.31 Average: 1 26.91 0.00 1.52 3.66 2.07 65.84 Average: 2 31.33 0.00 1.80 0.69 2.18 64.00 Average: 3 18.69 0.00 1.33 1.76 1.62 76.59