---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-512 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 10G 68G 13% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 1297 10862 0 3879 14411 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:25:71:f4 brd ff:ff:ff:ff:ff:ff inet 10.30.107.74/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86087sec preferred_lft 86087sec inet6 fe80::f816:3eff:fe25:71f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-512) 10/10/26 _x86_64_ (4 CPU) 12:17:45 LINUX RESTART (4 CPU) 12:18:01 tps rtps wtps bread/s bwrtn/s 12:19:01 149.14 24.48 124.66 878.12 57382.70 12:20:01 182.77 37.18 145.59 2294.02 54348.41 12:21:01 5.75 0.00 5.75 0.00 5950.21 12:22:01 13.80 2.55 11.25 66.92 7550.34 Average: 87.86 16.05 71.81 809.77 31307.92 12:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:19:01 13816872 15583592 2608096 15.88 69060 1889720 757428 4.33 632316 1746816 330512 12:20:01 10894588 14135592 5530380 33.67 78748 3326716 2094452 11.99 2154000 3092684 116064 12:21:01 10781588 14093496 5643380 34.36 78844 3395708 2094452 11.99 2196816 3161188 8764 12:22:01 10910364 14847292 5514604 33.57 79700 4002024 1384828 7.93 1687080 3528792 452588 Average: 11600853 14664993 4824115 29.37 76588 3153542 1582790 9.06 1667553 2882370 226982 12:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:19:01 lo 1.40 1.40 0.17 0.17 0.00 0.00 0.00 0.00 12:19:01 ens3 108.23 67.57 1669.95 11.25 0.00 0.00 0.00 0.00 12:20:01 lo 801.33 801.33 61.43 61.43 0.00 0.00 0.00 0.00 12:20:01 ens3 3735.98 2120.03 21618.84 913.67 0.00 0.00 0.00 0.00 12:21:01 lo 289.49 289.49 22.19 22.19 0.00 0.00 0.00 0.00 12:21:01 ens3 3399.38 2561.97 809.17 1306.49 0.00 0.00 0.00 0.00 12:22:01 lo 837.39 837.39 64.19 64.19 0.00 0.00 0.00 0.00 12:22:01 ens3 5224.61 3877.37 1759.82 1402.57 0.00 0.00 0.00 0.00 Average: lo 482.40 482.40 36.99 36.99 0.00 0.00 0.00 0.00 Average: ens3 3117.05 2156.74 6464.45 908.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-512) 10/10/26 _x86_64_ (4 CPU) 12:17:45 LINUX RESTART (4 CPU) 12:18:01 CPU %user %nice %system %iowait %steal %idle 12:19:01 all 18.56 0.00 1.35 5.41 0.01 74.67 12:19:01 0 14.62 0.00 1.29 1.57 0.02 82.50 12:19:01 1 1.10 0.00 0.62 13.82 0.00 84.46 12:19:01 2 45.68 0.00 2.44 5.37 0.02 46.50 12:19:01 3 12.84 0.00 1.06 0.87 0.00 85.24 12:20:01 all 48.15 0.00 9.38 0.96 0.01 41.50 12:20:01 0 39.89 0.00 9.87 0.28 0.02 49.94 12:20:01 1 45.21 0.00 8.85 0.75 0.00 45.19 12:20:01 2 49.95 0.00 10.25 0.77 0.00 39.03 12:20:01 3 57.59 0.00 8.53 2.03 0.02 31.83 12:21:01 all 16.47 0.00 41.93 0.07 0.01 41.52 12:21:01 0 14.14 0.00 22.26 0.00 0.02 63.59 12:21:01 1 15.18 0.00 37.48 0.07 0.02 47.26 12:21:01 2 17.80 0.00 56.44 0.22 0.02 25.53 12:21:01 3 18.71 0.00 51.24 0.00 0.00 30.05 12:22:01 all 31.66 0.00 26.67 0.08 0.02 41.57 12:22:01 0 34.52 0.00 13.47 0.10 0.02 51.89 12:22:01 1 27.62 0.00 33.04 0.05 0.03 39.26 12:22:01 2 38.46 0.00 42.55 0.17 0.02 18.81 12:22:01 3 26.06 0.00 17.66 0.03 0.02 56.23 Average: all 28.72 0.00 19.80 1.63 0.01 49.83 Average: 0 25.83 0.00 11.68 0.49 0.02 61.98 Average: 1 22.29 0.00 19.96 3.68 0.01 54.05 Average: 2 37.98 0.00 27.90 1.63 0.01 32.47 Average: 3 28.78 0.00 19.63 0.73 0.01 50.85