---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-14383 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 41% / 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 493 5137 0 2344 7198 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:30:55:e4 brd ff:ff:ff:ff:ff:ff inet 10.32.6.245/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86199sec preferred_lft 86199sec inet6 fe80::f816:3eff:fe30:55e4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-14383) 10/05/26 _x86_64_ (4 CPU) 07:04:53 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 149.23 55.36 93.87 3626.26 36381.09 07:07:01 114.62 47.13 67.50 2918.01 14292.76 07:08:01 37.73 1.72 36.01 106.38 9879.15 Average: 100.45 34.67 65.78 2213.05 20218.15 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5891688 7468692 2275724 27.86 50068 1697212 622032 6.75 516920 1575064 197520 07:07:01 5310328 7405476 2857084 34.98 66016 2182136 659352 7.15 725572 1912236 249016 07:08:01 5272620 7383280 2894792 35.44 69136 2193828 671584 7.29 776680 1896772 10624 Average: 5491545 7419149 2675867 32.76 61740 2024392 650989 7.06 673057 1794691 152387 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 331.44 228.61 1785.68 66.29 0.00 0.00 0.00 0.00 07:06:02 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 07:07:01 ens3 200.54 185.87 2483.29 41.21 0.00 0.00 0.00 0.00 07:07:01 lo 2.07 2.07 0.21 0.21 0.00 0.00 0.00 0.00 07:08:01 ens3 65.16 68.32 30.84 677.20 0.00 0.00 0.00 0.00 07:08:01 lo 1.67 1.67 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 199.04 160.80 1427.42 262.79 0.00 0.00 0.00 0.00 Average: lo 1.58 1.58 0.15 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-14383) 10/05/26 _x86_64_ (4 CPU) 07:04:53 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.21 0.00 1.92 4.02 0.08 71.78 07:06:02 0 20.01 0.00 2.05 3.04 0.05 74.85 07:06:02 1 19.41 0.00 1.35 1.37 0.05 77.82 07:06:02 2 36.78 0.00 2.81 3.67 0.13 56.61 07:06:02 3 12.69 0.00 1.44 8.01 0.05 77.82 07:07:01 all 35.79 0.00 1.95 1.97 0.12 60.17 07:07:01 0 49.04 0.00 2.61 1.22 0.15 46.97 07:07:01 1 30.27 0.00 1.65 3.95 0.12 64.02 07:07:01 2 36.86 0.00 1.55 0.51 0.12 60.97 07:07:01 3 27.00 0.00 1.97 2.20 0.10 68.73 07:08:01 all 20.62 0.00 1.15 1.13 0.05 77.05 07:08:01 0 36.27 0.00 1.35 0.33 0.10 61.94 07:08:01 1 7.21 0.00 1.10 2.07 0.02 89.60 07:08:01 2 34.39 0.00 1.34 0.15 0.10 64.02 07:08:01 3 4.52 0.00 0.80 1.96 0.02 92.70 Average: all 26.15 0.00 1.67 2.37 0.09 69.72 Average: 0 35.03 0.00 2.00 1.53 0.10 61.33 Average: 1 18.89 0.00 1.37 2.45 0.06 77.23 Average: 2 36.00 0.00 1.90 1.45 0.12 60.53 Average: 3 14.68 0.00 1.40 4.07 0.06 79.80