---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8406 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 457 5343 0 2175 7238 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:e3:54:65 brd ff:ff:ff:ff:ff:ff inet 10.32.6.9/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:fee3:5465/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8406) 03/08/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:02 tps rtps wtps bread/s bwrtn/s 07:06:02 138.82 55.40 83.43 3627.86 41277.90 07:07:01 83.85 30.50 53.35 1729.61 9030.33 07:08:01 70.98 8.88 62.10 511.30 7519.89 07:09:01 27.84 2.73 25.11 119.96 4995.93 Average: 80.11 24.22 55.89 1487.15 15625.85 07:05:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5994216 7414328 2173196 26.61 37080 1563348 712480 7.73 586224 1424368 84704 07:07:01 5631728 7327404 2535684 31.05 56820 1803472 841376 9.13 692444 1648580 103528 07:08:01 5529628 7455096 2637784 32.30 64908 2018344 650896 7.06 681552 1747856 114068 07:09:01 5438908 7378572 2728504 33.41 67432 2029532 711132 7.72 767108 1752308 8852 Average: 5648620 7393850 2518792 30.84 56560 1853674 728971 7.91 681832 1643278 77788 07:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 07:06:02 ens3 455.62 259.36 1466.70 67.75 0.00 0.00 0.00 0.00 07:07:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 56.02 44.16 458.48 14.55 0.00 0.00 0.00 0.00 07:08:01 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 07:08:01 ens3 320.31 365.28 1570.59 59.94 0.00 0.00 0.00 0.00 07:09:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 07:09:01 ens3 49.67 60.98 27.43 611.01 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 220.10 182.71 880.11 189.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8406) 03/08/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:02 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 21.67 0.00 2.91 5.22 1.33 68.86 07:06:02 0 14.09 0.00 5.30 6.23 0.95 73.42 07:06:02 1 13.56 0.00 2.07 4.88 1.32 78.17 07:06:02 2 32.66 0.00 2.25 3.57 1.95 59.57 07:06:02 3 26.31 0.00 2.06 6.19 1.12 64.31 07:07:01 all 23.32 0.00 1.60 2.57 1.33 71.19 07:07:01 0 15.83 0.00 1.30 2.81 1.05 79.02 07:07:01 1 17.28 0.00 1.63 1.26 0.86 78.97 07:07:01 2 38.88 0.00 2.11 0.55 2.45 56.00 07:07:01 3 21.15 0.00 1.30 5.69 0.96 70.90 07:08:01 all 43.37 0.00 2.74 1.03 3.03 49.83 07:08:01 0 42.92 0.00 3.45 0.50 2.99 50.15 07:08:01 1 41.80 0.00 2.22 1.79 3.18 51.01 07:08:01 2 44.46 0.00 3.49 1.23 3.19 47.62 07:08:01 3 44.32 0.00 1.81 0.58 2.73 50.56 07:09:01 all 20.72 0.00 0.91 1.12 0.86 76.39 07:09:01 0 18.64 0.00 0.55 0.12 0.60 80.09 07:09:01 1 32.54 0.00 1.07 1.28 0.90 64.20 07:09:01 2 19.22 0.00 1.31 2.21 0.95 76.31 07:09:01 3 12.50 0.00 0.72 0.88 1.00 84.91 Average: all 27.32 0.00 2.04 2.47 1.64 66.53 Average: 0 22.96 0.00 2.65 2.39 1.40 70.60 Average: 1 26.42 0.00 1.75 2.29 1.57 67.97 Average: 2 33.80 0.00 2.29 1.89 2.13 59.88 Average: 3 26.09 0.00 1.47 3.31 1.46 67.67