---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7636 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: 2800.012 BogoMIPS: 5600.02 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 9.0G 69G 12% / 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 613 12552 0 2874 15097 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:5d:87:db brd ff:ff:ff:ff:ff:ff inet 10.30.107.211/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86098sec preferred_lft 86098sec inet6 fe80::f816:3eff:fe5d:87db/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-7636) 10/07/26 _x86_64_ (4 CPU) 03:04:24 LINUX RESTART (4 CPU) 03:05:02 tps rtps wtps bread/s bwrtn/s 03:06:01 109.02 0.51 108.51 52.06 28375.94 03:07:01 108.43 15.06 93.37 380.81 12007.33 03:08:01 19.40 5.20 14.20 401.20 4010.13 03:09:01 27.16 2.68 24.48 136.91 4141.44 Average: 65.83 5.89 59.94 243.54 12066.10 03:05:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13815524 15601784 2609444 15.89 69668 1907444 779524 4.46 609952 1765776 225224 03:07:01 13167768 15100980 3257200 19.83 85564 2029916 1212312 6.94 1146352 1857452 27928 03:08:01 12192064 14222068 4232904 25.77 86868 2123012 2106580 12.06 2050468 1921716 24 03:09:01 12879872 15487096 3545096 21.58 90880 2687264 838540 4.80 1003648 2267616 481652 Average: 13013807 15102982 3411161 20.77 83245 2186909 1234239 7.06 1202605 1953140 183707 03:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 154.25 129.28 1493.56 12.81 0.00 0.00 0.00 0.00 03:06:01 lo 0.75 0.75 0.09 0.09 0.00 0.00 0.00 0.00 03:07:01 ens3 284.66 250.98 1648.69 68.53 0.00 0.00 0.00 0.00 03:07:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:08:01 ens3 3646.97 2379.10 1878.63 744.29 0.00 0.00 0.00 0.00 03:08:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 03:09:01 ens3 348.68 220.26 742.75 1794.56 0.00 0.00 0.00 0.00 03:09:01 lo 2.82 2.82 0.25 0.25 0.00 0.00 0.00 0.00 Average: ens3 1112.49 747.39 1440.68 657.71 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7636) 10/07/26 _x86_64_ (4 CPU) 03:04:24 LINUX RESTART (4 CPU) 03:05:02 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 14.55 0.00 1.16 1.89 0.01 82.39 03:06:01 0 1.13 0.00 0.56 5.69 0.02 92.60 03:06:01 1 33.95 0.00 2.02 0.37 0.02 63.64 03:06:01 2 13.92 0.00 1.49 1.24 0.02 83.33 03:06:01 3 9.08 0.00 0.54 0.29 0.02 90.07 03:07:01 all 19.66 0.00 1.72 0.31 0.01 78.29 03:07:01 0 17.22 0.00 2.00 0.03 0.02 80.73 03:07:01 1 24.22 0.00 1.04 0.05 0.02 74.68 03:07:01 2 19.22 0.00 2.81 1.09 0.00 76.89 03:07:01 3 17.97 0.00 1.04 0.08 0.00 80.91 03:08:01 all 37.40 0.00 6.42 0.08 0.03 56.08 03:08:01 0 27.21 0.00 0.53 0.00 0.02 72.24 03:08:01 1 66.92 0.00 10.73 0.12 0.07 22.17 03:08:01 2 32.64 0.00 3.43 0.12 0.02 63.79 03:08:01 3 22.75 0.00 10.99 0.07 0.03 66.16 03:09:01 all 39.31 0.00 2.31 0.08 0.03 58.27 03:09:01 0 41.48 0.00 2.19 0.03 0.03 56.26 03:09:01 1 31.94 0.00 1.84 0.07 0.02 66.13 03:09:01 2 36.90 0.00 1.77 0.17 0.02 61.15 03:09:01 3 46.96 0.00 3.43 0.03 0.03 49.54 Average: all 27.80 0.00 2.91 0.58 0.02 68.69 Average: 0 21.88 0.00 1.32 1.42 0.02 75.36 Average: 1 39.28 0.00 3.91 0.15 0.03 56.63 Average: 2 25.71 0.00 2.38 0.65 0.01 71.24 Average: 3 24.28 0.00 4.01 0.12 0.02 71.57