---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-285 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 8.0G 12G 42% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 462 4928 0 2585 7227 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:61:fa:25 brd ff:ff:ff:ff:ff:ff inet 10.32.7.199/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86041sec preferred_lft 86041sec inet6 fe80::f816:3eff:fe61:fa25/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-285) 04/11/26 _x86_64_ (4 CPU) 11:17:00 LINUX RESTART (4 CPU) 11:18:02 tps rtps wtps bread/s bwrtn/s 11:19:01 84.39 30.25 54.14 1685.54 8451.04 11:20:01 35.07 0.20 34.87 2.80 13370.88 11:21:01 8.77 0.00 8.77 0.00 322.35 11:22:01 53.68 2.73 50.95 189.94 9160.01 Average: 45.31 8.20 37.11 464.45 7823.74 11:18:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:19:01 5606932 7302284 2560480 31.35 56568 1803584 836880 9.08 736868 1629740 115168 11:20:01 5333196 7311576 2834216 34.70 58800 2079616 787196 8.54 725800 1904452 1112 11:21:01 5310652 7296652 2856760 34.98 60732 2084316 787196 8.54 742432 1908204 1948 11:22:01 5085780 7435832 3081632 37.73 65848 2435780 652936 7.08 622276 2238540 121792 Average: 5334140 7336586 2833272 34.69 60487 2100824 766052 8.31 706844 1920234 60005 11:18:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:19:01 ens3 80.36 60.85 478.85 16.24 0.00 0.00 0.00 0.00 11:19:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 11:20:01 ens3 231.02 185.72 4622.88 20.88 0.00 0.00 0.00 0.00 11:20:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 11:21:01 ens3 59.82 86.39 66.77 13.90 0.00 0.00 0.00 0.00 11:21:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:22:01 ens3 645.65 573.31 4082.23 74.01 0.00 0.00 0.00 0.00 11:22:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 254.96 227.27 2320.53 31.32 0.00 0.00 0.00 0.00 Average: lo 0.62 0.62 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-285) 04/11/26 _x86_64_ (4 CPU) 11:17:00 LINUX RESTART (4 CPU) 11:18:02 CPU %user %nice %system %iowait %steal %idle 11:19:01 all 22.74 0.00 1.44 1.86 0.94 73.03 11:19:01 0 33.98 0.00 2.08 0.96 1.20 61.78 11:19:01 1 7.42 0.00 0.41 0.00 0.36 91.82 11:19:01 2 11.50 0.00 1.27 5.65 0.90 80.68 11:19:01 3 38.08 0.00 2.02 0.81 1.29 57.80 11:20:01 all 9.71 0.00 0.63 0.48 0.48 88.71 11:20:01 0 11.81 0.00 0.10 0.00 0.43 87.66 11:20:01 1 11.90 0.00 0.70 0.02 0.47 86.92 11:20:01 2 8.03 0.00 1.35 1.92 0.32 88.38 11:20:01 3 7.06 0.00 0.37 0.00 0.69 91.89 11:21:01 all 3.95 0.00 0.22 0.03 0.16 95.65 11:21:01 0 0.75 0.00 0.05 0.00 0.05 99.15 11:21:01 1 5.77 0.00 0.07 0.00 0.33 93.83 11:21:01 2 2.40 0.00 0.07 0.10 0.15 97.28 11:21:01 3 6.87 0.00 0.66 0.00 0.12 92.36 11:22:01 all 21.57 0.00 1.66 0.71 0.97 75.09 11:22:01 0 14.75 0.00 1.75 0.43 0.62 82.45 11:22:01 1 14.09 0.00 0.87 0.25 0.82 83.98 11:22:01 2 40.16 0.00 2.12 2.02 1.47 54.23 11:22:01 3 17.29 0.00 1.97 0.15 0.95 79.63 Average: all 14.46 0.00 0.99 0.77 0.63 83.15 Average: 0 15.25 0.00 0.99 0.35 0.57 82.84 Average: 1 9.81 0.00 0.51 0.07 0.49 89.12 Average: 2 15.54 0.00 1.20 2.41 0.71 80.14 Average: 3 17.27 0.00 1.25 0.24 0.76 80.48