---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2548 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 8.9G 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 604 12702 0 2733 15110 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:22:d7:7b brd ff:ff:ff:ff:ff:ff inet 10.30.106.110/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fe22:d77b/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-2548) 03/06/26 _x86_64_ (4 CPU) 03:04:28 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 128.91 11.03 117.88 283.42 39423.83 03:07:01 91.00 4.50 86.50 128.51 10764.07 03:08:01 22.45 5.43 17.01 413.00 1876.49 03:09:01 54.02 3.93 50.09 148.11 19781.64 Average: 74.10 6.22 67.87 243.26 17961.51 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13899312 15565488 2525648 15.38 71068 1790204 770956 4.41 663060 1639656 122288 03:07:01 12984012 14846740 3440948 20.95 83996 1964496 1561588 8.94 1406836 1788476 13844 03:08:01 12234404 14213716 4190556 25.51 86860 2074556 2163004 12.38 2095668 1840340 66708 03:09:01 13033080 15498640 3391880 20.65 91432 2549652 803724 4.60 997648 2130284 11692 Average: 13037702 15031146 3387258 20.62 83339 2094727 1324818 7.58 1290803 1849689 53633 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 151.87 112.06 1148.28 24.24 0.00 0.00 0.00 0.00 03:06:01 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 03:07:01 ens3 305.92 266.22 2546.95 51.30 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 1573.00 1015.46 819.44 434.42 0.00 0.00 0.00 0.00 03:08:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:09:01 ens3 273.10 219.81 364.83 1795.54 0.00 0.00 0.00 0.00 03:09:01 lo 3.42 3.42 0.32 0.32 0.00 0.00 0.00 0.00 Average: ens3 575.97 403.39 1219.87 576.37 0.00 0.00 0.00 0.00 Average: lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2548) 03/06/26 _x86_64_ (4 CPU) 03:04:28 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 13.90 0.00 1.12 2.01 0.05 82.91 03:06:01 0 4.43 0.00 0.65 2.32 0.05 92.55 03:06:01 1 8.08 0.00 0.62 2.26 0.07 88.97 03:06:01 2 7.08 0.00 0.60 0.23 0.02 92.07 03:06:01 3 35.99 0.00 2.56 3.22 0.08 58.14 03:07:01 all 33.90 0.00 1.54 0.19 0.09 64.29 03:07:01 0 26.05 0.00 1.15 0.65 0.07 72.08 03:07:01 1 24.89 0.00 1.95 0.00 0.08 73.07 03:07:01 2 54.37 0.00 1.85 0.08 0.08 43.61 03:07:01 3 30.30 0.00 1.19 0.02 0.10 68.40 03:08:01 all 36.73 0.00 6.17 0.08 0.06 56.96 03:08:01 0 30.92 0.00 9.35 0.20 0.08 59.45 03:08:01 1 30.07 0.00 3.34 0.08 0.05 66.45 03:08:01 2 51.86 0.00 10.49 0.02 0.07 37.56 03:08:01 3 34.05 0.00 1.49 0.02 0.07 64.38 03:09:01 all 31.51 0.00 2.18 0.60 0.07 65.65 03:09:01 0 25.86 0.00 2.39 0.05 0.07 71.64 03:09:01 1 35.38 0.00 1.53 0.05 0.07 62.97 03:09:01 2 39.66 0.00 2.10 0.18 0.07 57.98 03:09:01 3 25.10 0.00 2.72 2.13 0.07 69.99 Average: all 29.01 0.00 2.75 0.72 0.07 67.46 Average: 0 21.81 0.00 3.38 0.81 0.07 73.94 Average: 1 24.62 0.00 1.86 0.60 0.07 72.86 Average: 2 38.25 0.00 3.76 0.13 0.06 57.80 Average: 3 31.36 0.00 1.99 1.35 0.08 65.22