---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9014 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 608 12640 0 2791 15104 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:5b:cf:3a brd ff:ff:ff:ff:ff:ff inet 10.30.107.32/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86102sec preferred_lft 86102sec inet6 fe80::f816:3eff:fe5b:cf3a/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-9014) 07/11/26 _x86_64_ (4 CPU) 18:48:23 LINUX RESTART (4 CPU) 18:49:01 tps rtps wtps bread/s bwrtn/s 18:50:01 130.73 16.10 114.63 1240.73 22677.02 18:51:01 131.89 18.28 113.61 656.02 16071.72 18:52:02 24.28 8.25 16.03 697.08 2847.93 18:53:01 40.79 3.20 37.59 143.57 11960.41 Average: 82.10 11.49 70.60 686.61 13395.25 18:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:01 13724192 15553516 2700776 16.44 72636 1947760 782128 4.48 671044 1798544 213796 18:51:01 12876212 15030912 3548756 21.61 88764 2244116 1240064 7.10 1270700 2017348 58292 18:52:02 12031784 14228640 4393184 26.75 90144 2282764 1990028 11.39 2126152 2000248 1660 18:53:01 12974848 15497960 3450120 21.01 93376 2601968 811176 4.64 1000812 2179228 28300 Average: 12901759 15077757 3523209 21.45 86230 2269152 1205849 6.90 1267177 1998842 75512 18:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:01 ens3 152.04 115.70 1732.24 25.09 0.00 0.00 0.00 0.00 18:50:01 lo 0.80 0.80 0.09 0.09 0.00 0.00 0.00 0.00 18:51:01 ens3 356.11 314.26 3616.66 57.51 0.00 0.00 0.00 0.00 18:51:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 18:52:02 ens3 323.91 200.48 206.84 76.07 0.00 0.00 0.00 0.00 18:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 ens3 231.23 185.83 386.43 1263.60 0.00 0.00 0.00 0.00 18:53:01 lo 1.76 1.76 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 265.97 204.15 1490.14 351.77 0.00 0.00 0.00 0.00 Average: lo 0.74 0.74 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-9014) 07/11/26 _x86_64_ (4 CPU) 18:48:23 LINUX RESTART (4 CPU) 18:49:01 CPU %user %nice %system %iowait %steal %idle 18:50:01 all 14.99 0.00 1.42 1.84 0.05 81.71 18:50:01 0 26.13 0.00 1.89 1.05 0.07 70.87 18:50:01 1 11.69 0.00 0.94 1.07 0.03 86.27 18:50:01 2 14.70 0.00 1.88 0.58 0.05 82.79 18:50:01 3 7.47 0.00 0.94 4.65 0.07 86.88 18:51:01 all 27.92 0.00 1.81 0.41 0.07 69.79 18:51:01 0 28.36 0.00 2.32 0.05 0.07 69.20 18:51:01 1 29.16 0.00 1.51 1.17 0.07 68.09 18:51:01 2 22.25 0.00 1.29 0.03 0.08 76.35 18:51:01 3 31.93 0.00 2.14 0.38 0.05 65.49 18:52:02 all 76.16 0.00 2.12 0.12 0.09 21.51 18:52:02 0 75.91 0.00 1.54 0.17 0.08 22.30 18:52:02 1 71.77 0.00 1.99 0.12 0.08 26.03 18:52:02 2 80.13 0.00 2.99 0.08 0.10 16.69 18:52:02 3 76.80 0.00 1.98 0.12 0.10 21.01 18:53:01 all 37.10 0.00 2.05 0.47 0.06 60.31 18:53:01 0 39.61 0.00 1.65 0.53 0.07 58.15 18:53:01 1 43.45 0.00 1.82 0.10 0.07 54.56 18:53:01 2 23.31 0.00 2.11 0.97 0.05 73.56 18:53:01 3 41.99 0.00 2.61 0.27 0.07 55.05 Average: all 39.02 0.00 1.85 0.71 0.07 58.36 Average: 0 42.51 0.00 1.85 0.45 0.07 55.12 Average: 1 38.90 0.00 1.56 0.62 0.06 58.85 Average: 2 35.13 0.00 2.07 0.42 0.07 62.31 Average: 3 39.52 0.00 1.91 1.36 0.07 57.13