---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-81 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 481 5317 0 2176 7214 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:b9:36:ef brd ff:ff:ff:ff:ff:ff inet 10.32.7.217/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:feb9:36ef/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-81) 04/09/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:03 152.10 65.49 86.60 4315.23 40868.53 12:49:01 88.33 31.08 57.25 1760.25 9136.77 12:50:01 68.86 8.83 60.02 510.58 7382.90 12:51:01 26.05 3.47 22.58 131.98 4866.26 Average: 83.80 27.19 56.61 1678.94 15618.67 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:03 5960248 7389124 2207164 27.02 37648 1571544 723400 7.85 614696 1430372 89564 12:49:01 5611252 7313084 2556160 31.30 57848 1808484 781928 8.48 709256 1652616 100940 12:50:01 5460492 7387604 2706920 33.14 65312 2020104 693444 7.52 752512 1748876 112280 12:51:01 5463280 7411804 2704132 33.11 67536 2038436 658676 7.15 737424 1758368 15944 Average: 5623818 7375404 2543594 31.14 57086 1859642 714362 7.75 703472 1647558 79682 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:03 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 12:48:03 ens3 481.42 274.14 1544.40 67.33 0.00 0.00 0.00 0.00 12:49:01 lo 1.31 1.31 0.13 0.13 0.00 0.00 0.00 0.00 12:49:01 ens3 84.38 78.14 483.39 20.64 0.00 0.00 0.00 0.00 12:50:01 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 12:50:01 ens3 300.58 337.79 1526.10 57.22 0.00 0.00 0.00 0.00 12:51:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 12:51:01 ens3 59.62 64.87 28.88 608.76 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 232.75 189.67 899.18 189.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-81) 04/09/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:03 all 21.07 0.00 2.52 5.02 1.35 70.04 12:48:03 0 9.80 0.00 3.98 3.30 0.98 81.94 12:48:03 1 26.57 0.00 2.32 7.51 1.53 62.07 12:48:03 2 29.55 0.00 2.27 5.76 1.92 60.49 12:48:03 3 18.33 0.00 1.52 3.53 0.95 75.67 12:49:01 all 25.24 0.00 1.57 2.30 2.00 68.89 12:49:01 0 10.07 0.00 0.73 5.02 2.12 82.05 12:49:01 1 43.86 0.00 2.10 1.63 2.17 50.25 12:49:01 2 36.01 0.00 2.47 0.36 2.50 58.67 12:49:01 3 11.11 0.00 1.00 2.18 1.19 84.52 12:50:01 all 40.84 0.00 2.14 1.05 3.49 52.49 12:50:01 0 37.56 0.00 1.82 1.01 3.23 56.38 12:50:01 1 38.15 0.00 1.39 0.27 3.26 56.93 12:50:01 2 48.00 0.00 2.67 0.41 3.66 45.26 12:50:01 3 39.65 0.00 2.65 2.49 3.79 51.41 12:51:01 all 20.85 0.00 0.96 0.76 1.03 76.41 12:51:01 0 2.48 0.00 0.40 0.00 0.30 96.82 12:51:01 1 42.94 0.00 1.27 0.43 1.47 53.90 12:51:01 2 28.86 0.00 1.52 0.10 1.17 68.36 12:51:01 3 9.23 0.00 0.65 2.47 1.22 86.43 Average: all 27.04 0.00 1.80 2.28 1.97 66.92 Average: 0 15.04 0.00 1.74 2.31 1.66 79.25 Average: 1 37.83 0.00 1.76 2.46 2.11 55.83 Average: 2 35.61 0.00 2.23 1.67 2.31 58.18 Average: 3 19.68 0.00 1.46 2.67 1.80 74.39