---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1027 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 461 5191 0 2323 7230 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:77:d8:37 brd ff:ff:ff:ff:ff:ff inet 10.32.6.175/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86168sec preferred_lft 86168sec inet6 fe80::f816:3eff:fe77:d837/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1027) 10/24/26 _x86_64_ (4 CPU) 12:46:52 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:03 120.41 42.14 78.27 2404.13 8092.13 12:49:01 99.88 38.04 61.84 2370.77 12133.75 12:50:01 75.69 10.40 65.29 596.03 8766.67 Average: 98.65 30.11 68.54 1783.82 9636.58 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:03 5894452 7458912 2272960 27.83 49604 1685608 661292 7.18 533068 1558340 179264 12:49:01 5373492 7228936 2793920 34.21 61368 1952812 880120 9.55 780540 1806904 98376 12:50:01 5270872 7356824 2896540 35.46 68928 2169736 737588 8.00 785744 1892096 95320 Average: 5512939 7348224 2654473 32.50 59967 1936052 759667 8.24 699784 1752447 124320 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:03 ens3 367.81 219.75 1639.01 65.20 0.00 0.00 0.00 0.00 12:48:03 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 12:49:01 ens3 137.56 140.21 1109.54 31.79 0.00 0.00 0.00 0.00 12:49:01 lo 1.52 1.52 0.15 0.15 0.00 0.00 0.00 0.00 12:50:01 ens3 318.31 331.73 1439.96 666.08 0.00 0.00 0.00 0.00 12:50:01 lo 1.37 1.37 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 276.09 231.57 1399.37 256.84 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1027) 10/24/26 _x86_64_ (4 CPU) 12:46:52 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:03 all 22.52 0.00 1.70 3.40 0.33 72.05 12:48:03 0 13.21 0.00 1.45 2.84 0.07 82.43 12:48:03 1 38.01 0.00 2.11 0.67 0.75 58.47 12:48:03 2 11.30 0.00 1.34 8.74 0.17 78.45 12:48:03 3 27.57 0.00 1.84 1.38 0.37 68.85 12:49:01 all 25.54 0.00 1.77 2.40 1.03 69.27 12:49:01 0 14.75 0.00 0.57 1.04 0.36 83.28 12:49:01 1 53.92 0.00 3.16 3.30 2.16 37.46 12:49:01 2 21.59 0.00 1.67 3.64 1.05 72.05 12:49:01 3 11.79 0.00 1.67 1.59 0.53 84.42 12:50:01 all 34.13 0.00 1.88 1.11 0.08 62.79 12:50:01 0 31.53 0.00 2.09 0.28 0.08 66.02 12:50:01 1 23.43 0.00 1.41 0.55 0.05 74.57 12:50:01 2 24.70 0.00 1.19 3.34 0.07 70.70 12:50:01 3 56.89 0.00 2.88 0.30 0.13 39.79 Average: all 27.42 0.00 1.78 2.30 0.48 68.02 Average: 0 19.88 0.00 1.38 1.39 0.17 77.18 Average: 1 38.27 0.00 2.21 1.49 0.98 57.06 Average: 2 19.19 0.00 1.40 5.25 0.42 73.74 Average: 3 32.32 0.00 2.14 1.09 0.34 64.12