---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6112 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 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 9.0G 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 602 12556 0 2881 15109 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:f1:fe:f9 brd ff:ff:ff:ff:ff:ff inet 10.30.106.164/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86053sec preferred_lft 86053sec inet6 fe80::f816:3eff:fef1:fef9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-6112) 07/07/26 _x86_64_ (4 CPU) 03:04:21 LINUX RESTART (4 CPU) 03:05:02 tps rtps wtps bread/s bwrtn/s 03:06:01 80.43 0.42 80.00 35.52 16106.69 03:07:01 107.03 11.83 95.20 305.95 13319.91 03:08:01 37.68 6.72 30.96 443.93 5100.75 03:09:01 30.01 3.27 26.75 98.92 2633.03 03:10:01 41.93 1.58 40.34 98.12 18679.42 Average: 59.34 4.78 54.57 197.02 11151.45 03:05:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13942376 15526964 2482584 15.11 63468 1722472 855780 4.90 689572 1579996 76972 03:07:01 13383428 15260008 3041532 18.52 81268 1981128 1238524 7.09 982152 1813672 7728 03:08:01 12359364 14390820 4065596 24.75 86904 2124916 2018976 11.55 1877132 1930696 6888 03:09:01 12877928 15477696 3547032 21.60 90592 2681244 831140 4.76 1005028 2270912 513496 03:10:01 12848944 15462736 3576016 21.77 93648 2691576 851656 4.87 1038740 2264244 9912 Average: 13082408 15223645 3342552 20.35 83176 2240267 1159215 6.63 1118525 1971904 122999 03:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 lo 0.75 0.75 0.09 0.09 0.00 0.00 0.00 0.00 03:06:01 ens3 119.76 79.07 902.05 9.39 0.00 0.00 0.00 0.00 03:07:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 03:07:01 ens3 254.26 224.85 1548.61 51.88 0.00 0.00 0.00 0.00 03:08:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:08:01 ens3 1917.40 1238.71 2283.36 445.89 0.00 0.00 0.00 0.00 03:09:01 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 03:09:01 ens3 621.41 380.92 831.09 138.37 0.00 0.00 0.00 0.00 03:10:01 lo 2.87 2.87 0.27 0.27 0.00 0.00 0.00 0.00 03:10:01 ens3 48.81 68.44 24.29 1735.47 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 593.91 399.46 1118.60 477.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-6112) 07/07/26 _x86_64_ (4 CPU) 03:04:21 LINUX RESTART (4 CPU) 03:05:02 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 10.83 0.00 0.79 1.44 0.03 86.90 03:06:01 0 4.93 0.00 0.44 0.12 0.02 94.50 03:06:01 1 1.52 0.00 0.22 0.48 0.03 97.75 03:06:01 2 19.27 0.00 1.58 4.60 0.05 74.50 03:06:01 3 17.59 0.00 0.93 0.58 0.03 80.86 03:07:01 all 17.49 0.00 1.55 0.48 0.07 80.42 03:07:01 0 16.62 0.00 1.07 0.08 0.07 82.16 03:07:01 1 22.45 0.00 1.76 1.02 0.07 74.70 03:07:01 2 15.97 0.00 2.09 0.80 0.07 81.07 03:07:01 3 14.93 0.00 1.24 0.02 0.07 83.75 03:08:01 all 39.11 0.00 5.68 0.08 0.08 55.05 03:08:01 0 29.19 0.00 5.22 0.02 0.07 65.51 03:08:01 1 39.66 0.00 5.01 0.12 0.08 55.13 03:08:01 2 57.07 0.00 4.42 0.05 0.08 38.38 03:08:01 3 30.51 0.00 8.07 0.15 0.08 61.18 03:09:01 all 38.30 0.00 1.90 0.09 0.07 59.65 03:09:01 0 39.87 0.00 2.07 0.02 0.07 57.98 03:09:01 1 41.08 0.00 1.47 0.02 0.07 57.37 03:09:01 2 38.51 0.00 2.14 0.25 0.07 59.04 03:09:01 3 33.77 0.00 1.92 0.07 0.07 64.18 03:10:01 all 14.86 0.00 0.95 0.58 0.05 83.56 03:10:01 0 15.24 0.00 1.05 0.07 0.05 83.59 03:10:01 1 24.54 0.00 0.88 0.12 0.03 74.42 03:10:01 2 12.10 0.00 0.82 0.42 0.03 86.64 03:10:01 3 7.52 0.00 1.04 1.71 0.05 89.68 Average: all 24.16 0.00 2.18 0.53 0.06 73.07 Average: 0 21.22 0.00 1.97 0.06 0.05 76.69 Average: 1 25.94 0.00 1.88 0.35 0.06 71.78 Average: 2 28.60 0.00 2.21 1.21 0.06 67.92 Average: 3 20.89 0.00 2.65 0.50 0.06 75.90