---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-153 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 7.6G 12G 40% / 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 492 5299 0 2183 7203 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:41:5a:20 brd ff:ff:ff:ff:ff:ff inet 10.32.7.31/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86086sec preferred_lft 86086sec inet6 fe80::f816:3eff:fe41:5a20/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-153) 05/06/26 _x86_64_ (4 CPU) 12:46:47 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 100.70 48.40 52.30 3406.73 4297.10 12:49:01 57.71 0.18 57.53 21.99 9645.18 12:50:01 96.62 35.14 61.47 2091.78 7995.33 12:51:01 32.53 7.02 25.51 228.50 5112.08 Average: 71.89 22.69 49.20 1437.27 6762.44 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 6067888 7441056 2099524 25.71 34464 1520092 673724 7.31 557440 1383244 58596 12:49:01 5816568 7456688 2350844 28.78 55592 1749536 635180 6.89 546432 1612000 121620 12:50:01 5302996 7111616 2864416 35.07 63516 1904572 1118920 12.14 951320 1707744 8080 12:51:01 5499256 7446096 2668156 32.67 67024 2036660 635760 6.90 699308 1759352 26188 Average: 5671677 7363864 2495735 30.56 55149 1802715 765896 8.31 688625 1615585 53621 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 12:48:01 ens3 336.27 189.32 1062.99 61.99 0.00 0.00 0.00 0.00 12:49:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 12:49:01 ens3 61.70 47.17 701.98 5.66 0.00 0.00 0.00 0.00 12:50:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 12:50:01 ens3 287.25 325.26 1451.27 60.88 0.00 0.00 0.00 0.00 12:51:01 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 12:51:01 ens3 146.44 152.26 329.72 627.71 0.00 0.00 0.00 0.00 Average: lo 0.99 0.99 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 207.91 178.50 886.49 189.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-153) 05/06/26 _x86_64_ (4 CPU) 12:46:47 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 17.44 0.00 1.57 3.61 2.94 74.44 12:48:01 0 13.82 0.00 1.76 4.08 2.63 77.70 12:48:01 1 16.17 0.00 0.93 1.42 2.70 78.78 12:48:01 2 20.23 0.00 2.02 7.03 3.18 67.54 12:48:01 3 19.55 0.00 1.58 1.88 3.24 73.75 12:49:01 all 18.73 0.00 1.24 2.25 1.98 75.80 12:49:01 0 9.97 0.00 0.47 0.22 0.67 88.69 12:49:01 1 37.78 0.00 2.04 0.60 2.44 57.14 12:49:01 2 14.03 0.00 1.15 7.33 2.09 75.39 12:49:01 3 13.22 0.00 1.28 0.84 2.68 81.98 12:50:01 all 36.08 0.00 2.32 1.65 7.28 52.68 12:50:01 0 44.01 0.00 1.82 2.57 7.29 44.31 12:50:01 1 38.84 0.00 1.41 0.59 6.57 52.59 12:50:01 2 30.98 0.00 1.94 2.12 6.95 58.01 12:50:01 3 30.61 0.00 4.09 1.33 8.29 55.69 12:51:01 all 25.22 0.00 1.26 1.13 3.13 69.27 12:51:01 0 35.22 0.00 1.57 0.66 2.79 59.75 12:51:01 1 22.43 0.00 1.21 0.26 2.66 73.44 12:51:01 2 30.57 0.00 1.15 1.60 3.28 63.40 12:51:01 3 12.76 0.00 1.08 1.95 3.76 80.45 Average: all 24.41 0.00 1.60 2.16 3.84 67.99 Average: 0 25.82 0.00 1.41 1.89 3.36 67.53 Average: 1 28.83 0.00 1.39 0.72 3.60 65.46 Average: 2 23.98 0.00 1.57 4.51 3.89 66.05 Average: 3 19.08 0.00 2.02 1.50 4.51 72.90