---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10286 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: 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.7G 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 468 5289 0 2218 7226 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:c9:b1:1e brd ff:ff:ff:ff:ff:ff inet 10.32.7.63/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fec9:b11e/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-10286) 09/08/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 167.21 84.37 82.84 4931.82 40137.84 19:15:01 55.07 0.17 54.91 20.80 9622.40 19:16:01 86.07 18.59 67.48 686.46 11494.39 19:17:01 23.23 1.45 21.78 98.77 4420.26 Average: 82.90 26.15 56.75 1434.49 16418.80 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 6041376 7429444 2126044 26.03 36152 1532676 685120 7.43 569544 1395408 66768 19:15:01 5657380 7379460 2510040 30.73 56736 1827740 721480 7.83 635184 1676356 184456 19:16:01 5432028 7402176 2735392 33.49 63716 2062416 677768 7.35 695568 1828968 99336 19:17:01 5378356 7360392 2789064 34.15 65724 2071996 722612 7.84 744432 1831536 6768 Average: 5627285 7392868 2540135 31.10 55582 1873707 701745 7.61 661182 1683067 89332 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 19:14:01 ens3 411.05 232.44 1263.23 65.88 0.00 0.00 0.00 0.00 19:15:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 19:15:01 ens3 33.03 28.16 670.34 3.91 0.00 0.00 0.00 0.00 19:16:01 lo 1.97 1.97 0.19 0.19 0.00 0.00 0.00 0.00 19:16:01 ens3 260.12 266.37 1683.98 57.08 0.00 0.00 0.00 0.00 19:17:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 19:17:01 ens3 49.03 59.16 26.63 531.67 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 188.32 146.54 911.09 164.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10286) 09/08/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 21.89 0.00 2.97 5.40 1.12 68.62 19:14:01 0 24.92 0.00 2.16 7.54 1.22 64.15 19:14:01 1 16.08 0.00 2.11 3.09 0.90 77.81 19:14:01 2 23.71 0.00 5.85 8.42 1.34 60.68 19:14:01 3 22.88 0.00 1.79 2.57 1.00 71.77 19:15:01 all 20.72 0.00 1.16 1.59 0.74 75.79 19:15:01 0 11.36 0.00 1.02 1.70 0.58 85.34 19:15:01 1 44.35 0.00 1.80 0.30 1.27 52.28 19:15:01 2 4.21 0.00 0.52 4.20 0.55 90.53 19:15:01 3 23.03 0.00 1.27 0.13 0.57 75.00 19:16:01 all 39.83 0.00 2.29 1.54 2.94 53.40 19:16:01 0 38.68 0.00 2.00 2.67 2.60 54.06 19:16:01 1 45.77 0.00 1.75 0.30 2.89 49.29 19:16:01 2 37.75 0.00 2.90 0.85 3.35 55.14 19:16:01 3 37.13 0.00 2.53 2.33 2.90 55.11 19:17:01 all 20.78 0.00 0.93 0.79 0.84 76.66 19:17:01 0 20.68 0.00 0.57 0.12 0.92 77.72 19:17:01 1 33.83 0.00 1.08 0.18 0.78 64.12 19:17:01 2 27.37 0.00 1.63 0.15 0.93 69.92 19:17:01 3 1.31 0.00 0.46 2.71 0.75 94.77 Average: all 25.81 0.00 1.84 2.32 1.41 68.62 Average: 0 23.91 0.00 1.43 3.00 1.33 70.33 Average: 1 35.02 0.00 1.69 0.97 1.46 60.87 Average: 2 23.25 0.00 2.72 3.39 1.54 69.09 Average: 3 21.05 0.00 1.51 1.93 1.30 74.21