---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1625 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 426 1369 0 2147 3255 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:9d:09:b5 brd ff:ff:ff:ff:ff:ff inet 10.32.6.142/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86199sec preferred_lft 86199sec inet6 fe80::f816:3eff:fe9d:9b5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1625) 12/04/23 _x86_64_ (4 CPU) 19:12:47 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 93.05 42.62 50.43 1964.55 6788.80 19:15:01 96.85 18.05 78.80 661.22 14053.92 19:16:01 34.18 0.87 33.31 55.59 5955.27 Average: 74.69 20.51 54.18 893.85 8932.55 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 1816488 3404896 2222156 55.02 49940 1693456 568372 11.17 516780 1531860 154724 19:15:01 1418708 3337404 2619936 64.87 61756 1999336 611272 12.02 677424 1744260 105436 19:16:01 1370420 3302996 2668224 66.07 67012 2007572 638676 12.55 723168 1745696 33412 Average: 1535205 3348432 2503439 61.99 59569 1900121 606107 11.91 639124 1673939 97857 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 276.56 200.12 1312.63 55.64 0.00 0.00 0.00 0.00 19:14:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 19:15:01 ens3 384.34 353.24 1778.79 75.65 0.00 0.00 0.00 0.00 19:15:01 lo 1.83 1.83 0.18 0.18 0.00 0.00 0.00 0.00 19:16:01 ens3 58.12 64.12 53.19 534.69 0.00 0.00 0.00 0.00 19:16:01 lo 1.67 1.67 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 239.67 205.83 1048.22 221.99 0.00 0.00 0.00 0.00 Average: lo 1.50 1.50 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1625) 12/04/23 _x86_64_ (4 CPU) 19:12:47 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 21.65 0.00 1.68 2.43 0.05 74.19 19:14:01 0 13.23 0.00 1.14 0.38 0.03 85.22 19:14:01 1 30.26 0.00 2.17 7.46 0.05 60.06 19:14:01 2 19.59 0.00 1.70 0.96 0.05 77.70 19:14:01 3 23.49 0.00 1.74 0.93 0.07 73.77 19:15:01 all 31.71 0.00 1.68 1.48 0.07 65.06 19:15:01 0 50.36 0.00 2.30 1.03 0.10 46.21 19:15:01 1 20.19 0.00 1.69 3.92 0.05 74.15 19:15:01 2 30.37 0.00 1.77 0.94 0.07 66.85 19:15:01 3 25.90 0.00 0.92 0.03 0.07 73.08 19:16:01 all 18.51 0.00 0.85 1.13 0.04 79.47 19:16:01 0 39.46 0.00 1.60 0.28 0.05 58.60 19:16:01 1 3.19 0.00 0.60 3.67 0.02 92.53 19:16:01 2 27.74 0.00 0.78 0.53 0.07 70.88 19:16:01 3 3.62 0.00 0.39 0.03 0.02 95.95 Average: all 23.96 0.00 1.40 1.68 0.06 72.91 Average: 0 34.36 0.00 1.68 0.57 0.06 63.33 Average: 1 17.87 0.00 1.49 5.02 0.04 75.58 Average: 2 25.91 0.00 1.42 0.81 0.06 71.80 Average: 3 17.69 0.00 1.01 0.33 0.05 80.92