---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7255 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 nrip_save 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 676K 1.6G 1% /run /dev/vda1 78G 9.7G 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 1191 11196 0 3651 14519 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:a8:85:22 brd ff:ff:ff:ff:ff:ff inet 10.30.107.192/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fea8:8522/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7255) 06/06/26 _x86_64_ (4 CPU) 02:51:24 LINUX RESTART (4 CPU) 02:52:01 tps rtps wtps bread/s bwrtn/s 02:53:01 152.24 11.50 140.74 283.29 47345.04 02:54:01 452.17 1.82 450.36 27.06 37023.43 02:55:01 225.96 8.93 217.03 480.59 20045.33 02:56:01 43.23 5.52 37.71 179.57 8375.40 Average: 218.40 6.94 211.46 242.63 28197.30 02:52:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:53:01 13348868 15222244 3076100 18.73 73276 1989008 1209816 6.92 1007848 1829836 231576 02:54:01 11585968 14718212 4839000 29.46 153888 3034252 1445812 8.27 1593296 2838480 456724 02:55:01 11601452 15063224 4823516 29.37 155704 3346052 1158536 6.63 1576628 2837420 196588 02:56:01 11464488 14866984 4960480 30.20 159564 3283784 1393540 7.98 1725348 2824988 26428 Average: 12000194 14967666 4424774 26.94 135608 2913274 1301926 7.45 1475780 2582681 227829 02:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:53:01 ens3 201.00 144.61 2809.10 24.58 0.00 0.00 0.00 0.00 02:53:01 lo 1.00 1.00 0.11 0.11 0.00 0.00 0.00 0.00 02:54:01 ens3 903.18 629.41 9523.48 87.06 0.00 0.00 0.00 0.00 02:54:01 lo 3.67 3.67 0.33 0.33 0.00 0.00 0.00 0.00 02:55:01 ens3 605.47 320.41 713.19 128.41 0.00 0.00 0.00 0.00 02:55:01 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 02:56:01 ens3 73.09 47.23 33.31 154.45 0.00 0.00 0.00 0.00 02:56:01 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 445.68 285.41 3269.77 98.62 0.00 0.00 0.00 0.00 Average: lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7255) 06/06/26 _x86_64_ (4 CPU) 02:51:24 LINUX RESTART (4 CPU) 02:52:01 CPU %user %nice %system %iowait %steal %idle 02:53:01 all 22.70 0.00 1.63 2.98 0.06 72.63 02:53:01 0 13.22 0.00 1.57 6.75 0.07 78.39 02:53:01 1 28.15 0.00 1.81 4.06 0.05 65.93 02:53:01 2 34.78 0.00 1.99 0.80 0.07 62.36 02:53:01 3 14.69 0.00 1.15 0.32 0.05 83.79 02:54:01 all 30.38 0.00 5.59 1.36 0.11 62.57 02:54:01 0 25.54 0.00 4.76 2.81 0.12 66.77 02:54:01 1 36.36 0.00 5.22 0.49 0.12 57.81 02:54:01 2 29.75 0.00 5.41 0.69 0.10 64.05 02:54:01 3 29.87 0.00 6.96 1.44 0.13 61.59 02:55:01 all 55.13 0.00 2.39 1.02 0.12 41.33 02:55:01 0 47.07 0.00 2.76 3.77 0.10 46.30 02:55:01 1 60.56 0.00 2.49 0.13 0.13 36.68 02:55:01 2 53.20 0.00 1.77 0.07 0.13 44.82 02:55:01 3 59.68 0.00 2.54 0.12 0.12 37.55 02:56:01 all 15.52 0.00 1.20 0.44 0.03 82.81 02:56:01 0 7.75 0.00 1.73 1.50 0.02 88.99 02:56:01 1 26.91 0.00 1.42 0.15 0.05 71.47 02:56:01 2 12.79 0.00 0.62 0.03 0.02 86.54 02:56:01 3 14.63 0.00 1.02 0.07 0.05 84.23 Average: all 30.92 0.00 2.70 1.45 0.08 64.85 Average: 0 23.37 0.00 2.71 3.71 0.08 70.14 Average: 1 37.99 0.00 2.73 1.21 0.09 57.98 Average: 2 32.62 0.00 2.44 0.40 0.08 64.46 Average: 3 29.71 0.00 2.92 0.49 0.09 66.79