---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2450 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 8.4G 70G 11% / 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 566 13327 0 2146 15161 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:7e:4e:ae brd ff:ff:ff:ff:ff:ff inet 10.30.106.78/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe7e:4eae/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-2450) 11/10/26 _x86_64_ (4 CPU) 23:13:40 LINUX RESTART (4 CPU) 23:14:01 tps rtps wtps bread/s bwrtn/s 23:15:02 126.98 14.93 112.05 322.08 44238.23 23:16:01 91.44 0.10 91.34 2.17 12696.29 23:17:01 1.40 0.02 1.38 0.13 16.13 Average: 73.17 5.04 68.12 108.71 19017.61 23:14:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:15:02 13683032 15463408 2741936 16.69 70192 1901648 1066976 6.11 761736 1747324 333896 23:16:01 13517024 15323716 2907944 17.70 72416 1923952 1154656 6.61 904300 1766580 180 23:17:01 13516080 15322816 2908888 17.71 72468 1923952 1154656 6.61 904048 1766584 20 Average: 13572045 15369980 2852923 17.37 71692 1916517 1125429 6.44 856695 1760163 111365 23:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:15:02 lo 1.33 1.33 0.16 0.16 0.00 0.00 0.00 0.00 23:15:02 ens3 142.93 95.33 1813.58 14.32 0.00 0.00 0.00 0.00 23:16:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:16:01 ens3 49.03 44.94 322.07 9.16 0.00 0.00 0.00 0.00 23:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:17:01 ens3 0.90 0.45 0.17 0.52 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 64.37 46.92 714.08 7.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2450) 11/10/26 _x86_64_ (4 CPU) 23:13:40 LINUX RESTART (4 CPU) 23:14:01 CPU %user %nice %system %iowait %steal %idle 23:15:02 all 20.47 0.00 1.37 2.19 0.01 75.96 23:15:02 0 34.50 0.00 1.89 0.67 0.00 62.95 23:15:02 1 28.72 0.00 2.11 3.08 0.02 66.06 23:15:02 2 11.38 0.00 0.73 0.63 0.00 87.26 23:15:02 3 7.35 0.00 0.77 4.39 0.00 87.49 23:16:01 all 3.93 0.00 0.39 0.46 0.00 95.21 23:16:01 0 3.78 0.00 0.47 0.22 0.02 95.51 23:16:01 1 4.09 0.00 0.26 0.20 0.00 95.45 23:16:01 2 4.68 0.00 0.20 0.00 0.00 95.12 23:16:01 3 3.15 0.00 0.63 1.41 0.02 94.79 23:17:01 all 0.05 0.00 0.02 0.00 0.00 99.93 23:17:01 0 0.07 0.00 0.07 0.00 0.00 99.87 23:17:01 1 0.05 0.00 0.02 0.00 0.00 99.93 23:17:01 2 0.02 0.00 0.00 0.00 0.00 99.98 23:17:01 3 0.07 0.00 0.00 0.02 0.00 99.92 Average: all 8.17 0.00 0.59 0.89 0.00 90.35 Average: 0 12.81 0.00 0.81 0.30 0.01 86.07 Average: 1 10.99 0.00 0.80 1.10 0.01 87.11 Average: 2 5.36 0.00 0.31 0.21 0.00 94.11 Average: 3 3.52 0.00 0.46 1.94 0.01 94.07