---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-18 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: 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 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 11G 68G 14% / 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 1084 10684 0 4270 14624 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:ea:3c:57 brd ff:ff:ff:ff:ff:ff inet 10.30.106.207/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85975sec preferred_lft 85975sec inet6 fe80::f816:3eff:feea:3c57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18) 11/02/26 _x86_64_ (4 CPU) 09:20:53 LINUX RESTART (4 CPU) 09:21:01 tps rtps wtps bread/s bwrtn/s 09:22:01 129.44 54.53 74.91 3616.66 62200.07 09:23:01 158.37 28.40 129.98 1669.32 52257.96 09:24:01 99.88 13.28 86.60 874.13 15796.53 09:25:01 12.11 3.40 8.72 120.25 2813.93 09:26:01 3.22 0.13 3.08 5.33 173.97 09:27:01 28.71 2.68 26.03 68.26 13430.69 Average: 71.96 17.07 54.89 1059.07 24446.81 09:21:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:22:01 14168212 15510440 2256756 13.74 44068 1509640 1018256 5.83 693692 1371492 44368 09:23:01 12310036 15364416 4114932 25.05 73756 3152584 930432 5.32 868524 2972820 192704 09:24:01 10697664 14133360 5727304 34.87 81856 3507024 1963488 11.24 2211544 3217644 79560 09:25:01 8935440 12379260 7489528 45.60 82180 3514664 3797112 21.73 3982764 3199240 2196 09:26:01 7723496 11174556 8701472 52.98 82580 3520544 5303852 30.35 5178644 3204700 4960 09:27:01 10990368 15025876 5434600 33.09 84240 4084168 1163624 6.66 1798928 3321444 332692 Average: 10804203 13931318 5620765 34.22 74780 3214771 2362794 13.52 2455683 2881223 109413 09:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:22:01 ens3 288.99 200.18 1016.69 82.51 0.00 0.00 0.00 0.00 09:22:01 lo 1.07 1.07 0.13 0.13 0.00 0.00 0.00 0.00 09:23:01 ens3 902.25 531.91 21627.71 74.76 0.00 0.00 0.00 0.00 09:23:01 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 09:24:01 ens3 459.72 363.77 4072.72 69.31 0.00 0.00 0.00 0.00 09:24:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 09:25:01 ens3 204.47 154.71 100.49 94.09 0.00 0.00 0.00 0.00 09:25:01 lo 2.00 2.00 0.53 0.53 0.00 0.00 0.00 0.00 09:26:01 ens3 163.57 115.96 58.75 52.38 0.00 0.00 0.00 0.00 09:26:01 lo 6.18 6.18 1.84 1.84 0.00 0.00 0.00 0.00 09:27:01 ens3 483.89 376.84 747.71 154.22 0.00 0.00 0.00 0.00 09:27:01 lo 2.07 2.07 0.17 0.17 0.00 0.00 0.00 0.00 Average: ens3 417.14 290.56 4603.93 87.88 0.00 0.00 0.00 0.00 Average: lo 2.06 2.06 0.46 0.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18) 11/02/26 _x86_64_ (4 CPU) 09:20:53 LINUX RESTART (4 CPU) 09:21:01 CPU %user %nice %system %iowait %steal %idle 09:22:01 all 14.46 0.00 1.45 15.96 0.02 68.12 09:22:01 0 18.12 0.00 1.57 16.99 0.00 63.33 09:22:01 1 13.62 0.00 1.50 29.36 0.02 55.50 09:22:01 2 9.12 0.00 1.14 7.14 0.02 82.59 09:22:01 3 16.96 0.00 1.57 10.32 0.03 71.11 09:23:01 all 22.92 0.00 2.08 2.35 0.01 72.63 09:23:01 0 24.16 0.00 2.02 2.28 0.02 71.53 09:23:01 1 32.30 0.00 2.11 4.00 0.02 61.58 09:23:01 2 14.19 0.00 1.76 0.93 0.00 83.12 09:23:01 3 21.12 0.00 2.48 2.21 0.02 74.17 09:24:01 all 39.99 0.00 1.64 0.48 0.03 57.87 09:24:01 0 31.09 0.00 1.21 0.03 0.02 67.65 09:24:01 1 31.54 0.00 1.23 0.50 0.02 66.72 09:24:01 2 54.43 0.00 1.76 0.77 0.03 43.01 09:24:01 3 42.99 0.00 2.32 0.57 0.03 54.09 09:25:01 all 57.96 0.00 1.25 0.07 0.02 40.70 09:25:01 0 56.47 0.00 1.32 0.00 0.02 42.20 09:25:01 1 63.43 0.00 1.32 0.12 0.02 35.12 09:25:01 2 53.96 0.00 1.17 0.07 0.02 44.78 09:25:01 3 57.97 0.00 1.20 0.12 0.02 40.69 09:26:01 all 41.10 0.00 0.90 0.02 0.01 57.96 09:26:01 0 36.76 0.00 0.87 0.00 0.02 62.35 09:26:01 1 56.57 0.00 1.20 0.00 0.02 42.22 09:26:01 2 29.72 0.00 0.81 0.07 0.02 69.38 09:26:01 3 41.41 0.00 0.73 0.02 0.00 57.84 09:27:01 all 46.99 0.00 2.96 0.10 0.02 49.93 09:27:01 0 49.02 0.00 2.94 0.02 0.02 48.01 09:27:01 1 46.08 0.00 3.85 0.02 0.03 50.03 09:27:01 2 40.83 0.00 2.94 0.32 0.02 55.90 09:27:01 3 52.02 0.00 2.11 0.07 0.02 45.79 Average: all 37.23 0.00 1.71 3.16 0.02 57.87 Average: 0 35.94 0.00 1.65 3.22 0.01 59.17 Average: 1 40.57 0.00 1.87 5.67 0.02 51.88 Average: 2 33.67 0.00 1.60 1.54 0.02 63.17 Average: 3 38.76 0.00 1.74 2.22 0.02 57.27