---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5189 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: 2799.998 BogoMIPS: 5599.99 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 472 5218 0 2285 7220 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:ce:ec:19 brd ff:ff:ff:ff:ff:ff inet 10.32.6.230/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fece:ec19/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5189) 07/07/26 _x86_64_ (4 CPU) 07:04:53 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 139.93 54.86 85.07 3608.07 40852.27 07:07:01 81.34 30.43 50.91 1694.52 9518.41 07:08:01 55.71 9.06 46.65 613.00 9554.42 07:09:01 25.05 0.85 24.20 47.33 5972.87 Average: 75.51 23.80 51.71 1490.69 16474.21 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5919144 7383544 2248276 27.53 39328 1603148 719432 7.81 626660 1453940 119620 07:07:01 5569028 7343296 2598392 31.81 58872 1876064 798912 8.67 673716 1720848 157136 07:08:01 5351016 7395704 2816404 34.48 66612 2131736 701180 7.61 749124 1850024 161312 07:09:01 5374276 7425092 2793144 34.20 68652 2135644 653136 7.09 728252 1846404 11772 Average: 5553366 7386909 2614054 32.01 58366 1936648 718165 7.79 694438 1717804 112460 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 457.39 249.84 1500.49 67.64 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 79.35 66.74 542.57 15.13 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 185.55 171.99 1845.64 81.48 0.00 0.00 0.00 0.00 07:08:01 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 07:09:01 ens3 57.07 64.36 29.49 616.56 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 Average: ens3 194.84 138.23 979.58 195.20 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 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5189) 07/07/26 _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 22.97 0.00 1.90 4.36 1.18 69.59 07:06:01 0 10.20 0.00 1.30 5.50 0.80 82.19 07:06:01 1 30.57 0.00 1.70 2.35 1.24 64.13 07:06:01 2 33.85 0.00 2.98 7.27 1.69 54.21 07:06:01 3 17.31 0.00 1.65 2.30 1.02 77.73 07:07:01 all 23.36 0.00 1.45 1.80 1.04 72.34 07:07:01 0 10.20 0.00 0.95 3.96 0.65 84.24 07:07:01 1 55.80 0.00 2.89 0.47 1.70 39.14 07:07:01 2 22.11 0.00 1.53 2.03 1.07 73.26 07:07:01 3 5.31 0.00 0.43 0.77 0.73 92.75 07:08:01 all 36.16 0.00 1.78 0.94 2.33 58.80 07:08:01 0 30.99 0.00 1.36 2.15 1.93 63.57 07:08:01 1 29.68 0.00 0.95 0.23 2.43 66.71 07:08:01 2 25.22 0.00 1.81 0.93 2.01 70.03 07:08:01 3 58.74 0.00 2.94 0.47 2.94 34.91 07:09:01 all 20.64 0.00 1.11 0.74 0.68 76.84 07:09:01 0 5.90 0.00 0.97 0.65 0.37 92.12 07:09:01 1 3.23 0.00 0.41 0.02 0.44 95.90 07:09:01 2 47.36 0.00 1.97 2.12 1.22 47.33 07:09:01 3 26.36 0.00 1.10 0.20 0.68 71.66 Average: all 25.78 0.00 1.56 1.96 1.31 69.39 Average: 0 14.33 0.00 1.15 3.06 0.94 80.52 Average: 1 29.74 0.00 1.48 0.76 1.45 66.57 Average: 2 32.12 0.00 2.07 3.08 1.50 61.23 Average: 3 26.94 0.00 1.53 0.93 1.34 69.25