---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7644 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 41% / 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 5153 0 2342 7212 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:54:d1:8b brd ff:ff:ff:ff:ff:ff inet 10.32.7.80/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe54:d18b/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-7644) 08/06/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 109.40 38.16 71.24 1626.53 6811.55 07:07:01 74.72 30.49 44.23 1713.05 8894.92 07:08:01 55.68 8.83 46.85 605.93 11371.94 07:09:01 25.25 1.05 24.20 45.44 6073.63 Average: 66.26 19.63 46.63 997.64 8287.95 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5876952 7386564 2290468 28.04 41408 1644072 705192 7.65 632500 1485480 135420 07:07:01 5514628 7346120 2652792 32.48 58952 1932612 757908 8.22 670948 1776780 213376 07:08:01 5323584 7426488 2843836 34.82 66996 2188788 642792 6.97 718136 1907068 163412 07:09:01 5272952 7380592 2894468 35.44 68928 2191348 696748 7.56 779304 1895692 10632 Average: 5497029 7384941 2670391 32.70 59071 1989205 700660 7.60 700222 1766255 130710 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:01 ens3 459.89 254.91 1501.48 67.40 0.00 0.00 0.00 0.00 07:07:01 lo 1.67 1.67 0.16 0.16 0.00 0.00 0.00 0.00 07:07:01 ens3 77.52 65.17 890.33 15.08 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:08:01 ens3 112.95 102.83 1838.79 20.06 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 07:09:01 ens3 62.32 67.87 30.69 679.05 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 178.16 122.69 1065.27 195.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7644) 08/06/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 23.54 0.00 1.83 3.63 1.67 69.33 07:06:01 0 34.82 0.00 2.62 1.94 2.01 58.60 07:06:01 1 18.50 0.00 1.20 5.75 1.69 72.86 07:06:01 2 23.49 0.00 1.78 5.80 1.46 67.48 07:06:01 3 17.33 0.00 1.73 1.05 1.53 78.36 07:07:01 all 22.55 0.00 1.51 2.05 1.61 72.29 07:07:01 0 19.16 0.00 1.48 2.19 1.84 75.33 07:07:01 1 16.33 0.00 1.46 1.47 1.39 79.35 07:07:01 2 6.76 0.00 0.55 3.90 1.10 87.69 07:07:01 3 47.95 0.00 2.56 0.61 2.12 46.76 07:08:01 all 35.99 0.00 1.72 1.05 3.89 57.35 07:08:01 0 31.65 0.00 1.23 0.61 3.44 63.07 07:08:01 1 34.65 0.00 1.84 1.94 3.55 58.02 07:08:01 2 48.94 0.00 2.20 1.51 4.54 42.80 07:08:01 3 28.65 0.00 1.60 0.13 4.01 65.60 07:09:01 all 20.54 0.00 0.97 0.71 0.91 76.86 07:09:01 0 62.48 0.00 1.70 0.20 1.91 33.72 07:09:01 1 8.06 0.00 0.80 0.13 0.65 90.36 07:09:01 2 5.14 0.00 0.77 2.50 0.55 91.03 07:09:01 3 6.38 0.00 0.63 0.03 0.53 92.42 Average: all 25.67 0.00 1.51 1.86 2.02 68.94 Average: 0 37.01 0.00 1.76 1.24 2.30 57.70 Average: 1 19.40 0.00 1.32 2.32 1.82 75.14 Average: 2 21.17 0.00 1.33 3.43 1.92 72.15 Average: 3 25.10 0.00 1.63 0.46 2.05 70.76