---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-474940 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 432 1367 0 2144 3249 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:49:8a:08 brd ff:ff:ff:ff:ff:ff inet 10.32.6.8/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fe49:8a08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-474940) 07/09/25 _x86_64_ (4 CPU) 07:04:41 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 93.57 24.06 69.51 749.88 5131.14 07:07:01 94.73 32.78 61.96 2006.60 9899.02 07:08:01 47.47 5.95 41.52 164.48 8141.69 07:09:01 21.93 0.35 21.58 33.73 1430.67 Average: 64.43 15.78 48.64 738.68 6150.91 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 1879652 3409296 2158992 53.46 48536 1636020 556304 10.94 486012 1497232 137368 07:07:01 1378108 3162572 2660536 65.88 60536 1869024 788860 15.51 761880 1702732 94044 07:08:01 1340332 3272640 2698312 66.81 63676 2010752 672580 13.22 757220 1739440 36400 07:09:01 1353848 3280292 2684796 66.48 65700 2003444 663160 13.04 753912 1730788 12052 Average: 1487985 3281200 2550659 63.16 59612 1879810 670226 13.17 689756 1667548 69966 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:01 ens3 103.12 77.54 882.35 22.36 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 07:07:01 ens3 217.18 206.32 1307.97 38.61 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:08:01 ens3 201.25 182.01 406.65 635.94 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 07:09:01 ens3 12.03 12.67 9.24 6.00 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 133.40 119.64 651.57 175.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-474940) 07/09/25 _x86_64_ (4 CPU) 07:04:41 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 20.75 0.00 1.30 2.90 0.92 74.14 07:06:01 0 1.62 0.00 0.45 2.90 0.67 94.36 07:06:01 1 52.54 0.00 2.88 3.13 1.58 39.86 07:06:01 2 11.67 0.00 1.12 5.08 0.78 81.35 07:06:01 3 17.15 0.00 0.77 0.45 0.63 81.00 07:07:01 all 30.19 0.00 1.59 1.93 1.81 64.48 07:07:01 0 16.44 0.00 1.23 3.04 1.72 77.58 07:07:01 1 58.05 0.00 2.79 0.71 2.39 36.04 07:07:01 2 21.30 0.00 0.85 3.36 1.45 73.05 07:07:01 3 24.99 0.00 1.46 0.65 1.73 71.17 07:08:01 all 28.36 0.00 1.42 1.08 1.47 67.67 07:08:01 0 16.36 0.00 0.98 2.58 1.15 78.93 07:08:01 1 41.09 0.00 1.90 0.40 1.62 54.99 07:08:01 2 39.04 0.00 1.65 1.16 1.91 56.24 07:08:01 3 16.95 0.00 1.15 0.15 1.17 80.58 07:09:01 all 19.35 0.00 0.75 0.64 0.73 78.52 07:09:01 0 14.42 0.00 0.73 2.40 0.60 81.85 07:09:01 1 44.17 0.00 0.83 0.12 1.48 53.40 07:09:01 2 17.09 0.00 1.01 0.05 0.57 81.28 07:09:01 3 1.70 0.00 0.40 0.00 0.28 97.62 Average: all 24.66 0.00 1.26 1.64 1.23 71.20 Average: 0 12.22 0.00 0.85 2.73 1.04 83.17 Average: 1 48.97 0.00 2.10 1.09 1.77 46.07 Average: 2 22.28 0.00 1.16 2.41 1.18 72.98 Average: 3 15.21 0.00 0.95 0.31 0.95 82.58