---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8022 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.6G 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 469 5356 0 2150 7228 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:d4:c2:1a brd ff:ff:ff:ff:ff:ff inet 10.32.6.104/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fed4:c21a/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-8022) 11/02/25 _x86_64_ (4 CPU) 12:47:01 LINUX RESTART (4 CPU) 12:48:01 tps rtps wtps bread/s bwrtn/s 12:49:01 59.71 0.22 59.50 26.66 9680.77 12:50:01 94.10 37.79 56.31 2147.42 8240.05 12:51:01 20.41 1.25 19.16 63.06 4756.01 Average: 58.08 13.09 44.99 745.75 7559.10 12:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:49:01 5784736 7400816 2382684 29.17 53592 1730120 709484 7.70 612084 1582620 103672 12:50:01 5515060 7417224 2652360 32.47 62376 1998864 672620 7.30 713712 1733868 110732 12:51:01 5471784 7385136 2695636 33.00 64528 2007352 697572 7.57 753480 1736452 9484 Average: 5590527 7401059 2576893 31.55 60165 1912112 693225 7.52 693092 1684313 74629 12:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:49:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 12:49:01 ens3 55.15 41.59 698.95 5.50 0.00 0.00 0.00 0.00 12:50:01 lo 1.63 1.63 0.16 0.16 0.00 0.00 0.00 0.00 12:50:01 ens3 314.36 277.51 1427.52 68.30 0.00 0.00 0.00 0.00 12:51:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 12:51:01 ens3 55.06 61.91 27.04 601.20 0.00 0.00 0.00 0.00 Average: lo 0.99 0.99 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 141.53 127.00 717.88 224.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8022) 11/02/25 _x86_64_ (4 CPU) 12:47:01 LINUX RESTART (4 CPU) 12:48:01 CPU %user %nice %system %iowait %steal %idle 12:49:01 all 18.54 0.00 1.05 3.06 2.55 74.80 12:49:01 0 13.08 0.00 0.87 0.66 3.69 81.70 12:49:01 1 12.54 0.00 1.00 1.61 2.02 82.82 12:49:01 2 24.80 0.00 1.36 9.32 2.84 61.68 12:49:01 3 23.86 0.00 1.00 0.65 1.63 72.87 12:50:01 all 35.01 0.00 1.89 2.64 5.99 54.47 12:50:01 0 27.64 0.00 1.78 1.78 5.29 63.50 12:50:01 1 28.50 0.00 1.36 2.39 5.33 62.43 12:50:01 2 33.05 0.00 1.89 4.41 6.85 53.81 12:50:01 3 50.89 0.00 2.53 1.98 6.49 38.10 12:51:01 all 20.15 0.00 0.99 1.07 1.91 75.88 12:51:01 0 1.41 0.00 0.33 0.10 1.56 96.60 12:51:01 1 2.93 0.00 0.43 1.33 1.43 93.88 12:51:01 2 19.65 0.00 1.14 0.20 1.87 77.15 12:51:01 3 56.90 0.00 2.09 2.63 2.78 35.59 Average: all 24.59 0.00 1.31 2.26 3.49 68.35 Average: 0 14.06 0.00 1.00 0.85 3.52 80.58 Average: 1 14.69 0.00 0.93 1.78 2.93 79.67 Average: 2 25.86 0.00 1.46 4.65 3.86 64.16 Average: 3 43.92 0.00 1.87 1.76 3.64 48.81