---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5125 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 492 5199 0 2284 7200 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:2f:49:8a brd ff:ff:ff:ff:ff:ff inet 10.32.7.172/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86122sec preferred_lft 86122sec inet6 fe80::f816:3eff:fe2f:498a/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-5125) 07/06/26 _x86_64_ (4 CPU) 07:04:53 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 139.49 54.79 84.70 3592.87 40984.25 07:07:01 76.39 21.33 55.06 1404.83 10001.53 07:08:01 61.21 17.06 44.14 848.39 9331.91 07:09:01 28.71 4.57 24.14 155.15 6170.34 Average: 76.45 24.44 52.01 1500.25 16621.57 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5960240 7398188 2207180 27.02 38432 1578856 716588 7.78 607572 1437632 90788 07:07:01 5633304 7393772 2534116 31.03 58412 1863480 837776 9.09 624108 1712360 155912 07:08:01 5316604 7356908 2850816 34.90 66652 2127956 730708 7.93 792456 1846880 168260 07:09:01 5327976 7377504 2839444 34.77 68540 2134532 691192 7.50 780132 1845360 10488 Average: 5559531 7381593 2607889 31.93 58009 1926206 744066 8.07 701067 1710558 106362 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 458.19 242.81 1485.74 66.36 0.00 0.00 0.00 0.00 07:07:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 70.45 57.24 527.42 14.24 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 171.04 154.44 1858.30 23.98 0.00 0.00 0.00 0.00 07:09:01 lo 1.80 1.80 0.16 0.16 0.00 0.00 0.00 0.00 07:09:01 ens3 67.23 79.09 37.05 687.30 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 191.72 133.39 977.09 197.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5125) 07/06/26 _x86_64_ (4 CPU) 07:04:53 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.30 0.00 2.46 4.63 1.75 68.86 07:06:01 0 25.70 0.00 3.99 2.61 1.71 65.99 07:06:01 1 11.55 0.00 1.70 3.99 2.10 80.66 07:06:01 2 41.71 0.00 2.60 2.27 2.07 51.35 07:06:01 3 10.36 0.00 1.55 9.68 1.10 77.32 07:07:01 all 21.73 0.00 1.30 2.25 1.33 73.39 07:07:01 0 26.31 0.00 0.76 3.25 1.46 68.21 07:07:01 1 15.22 0.00 1.26 1.48 1.05 80.99 07:07:01 2 22.74 0.00 1.87 1.56 1.85 71.98 07:07:01 3 22.64 0.00 1.33 2.70 0.95 72.38 07:08:01 all 39.98 0.00 1.95 1.55 3.35 53.17 07:08:01 0 42.12 0.00 1.74 1.41 3.18 51.56 07:08:01 1 53.50 0.00 2.43 0.56 3.64 39.86 07:08:01 2 32.78 0.00 2.35 3.59 3.61 57.67 07:08:01 3 31.50 0.00 1.28 0.65 2.97 63.60 07:09:01 all 20.18 0.00 1.01 0.83 1.06 76.92 07:09:01 0 45.43 0.00 1.40 2.18 1.65 49.33 07:09:01 1 7.69 0.00 0.55 0.13 0.77 90.86 07:09:01 2 7.71 0.00 0.91 0.78 1.04 89.56 07:09:01 3 19.97 0.00 1.16 0.23 0.80 77.84 Average: all 26.06 0.00 1.68 2.31 1.87 68.07 Average: 0 34.89 0.00 1.97 2.36 2.00 58.77 Average: 1 22.02 0.00 1.49 1.54 1.89 73.06 Average: 2 26.21 0.00 1.93 2.05 2.14 67.66 Average: 3 21.13 0.00 1.33 3.31 1.45 72.78