---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3213 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 7.5G 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 445 5439 0 2090 7251 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:64:54:94 brd ff:ff:ff:ff:ff:ff inet 10.32.7.90/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fe64:5494/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3213) 09/08/25 _x86_64_ (4 CPU) 19:12:53 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 135.12 54.70 80.42 3596.00 40474.93 19:15:01 53.58 0.20 53.37 26.97 8813.15 19:16:01 76.20 18.51 57.69 668.96 8184.90 19:17:01 21.93 0.88 21.04 57.05 4332.82 Average: 71.78 18.65 53.13 1091.70 15479.52 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 6013168 7437444 2154252 26.38 36852 1567064 682452 7.41 561244 1427972 86376 19:15:01 5864100 7503132 2303320 28.20 55924 1747596 588396 6.38 498740 1608620 123724 19:16:01 5550148 7398816 2617272 32.05 62632 1945472 683548 7.42 698684 1712948 104592 19:17:01 5595580 7451452 2571840 31.49 64376 1950432 627220 6.81 652812 1711912 11676 Average: 5755749 7447711 2411671 29.53 54946 1802641 645404 7.00 602870 1615363 81592 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 ens3 340.47 199.62 1409.71 61.81 0.00 0.00 0.00 0.00 19:14:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:15:01 ens3 28.55 21.86 292.93 3.42 0.00 0.00 0.00 0.00 19:15:01 lo 0.54 0.54 0.04 0.04 0.00 0.00 0.00 0.00 19:16:01 ens3 279.59 285.57 1401.14 57.76 0.00 0.00 0.00 0.00 19:16:01 lo 1.57 1.57 0.16 0.16 0.00 0.00 0.00 0.00 19:17:01 ens3 50.77 60.28 27.86 532.13 0.00 0.00 0.00 0.00 19:17:01 lo 1.60 1.60 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 175.45 142.33 784.93 164.46 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3213) 09/08/25 _x86_64_ (4 CPU) 19:12:53 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 20.60 0.00 2.34 5.13 3.92 68.01 19:14:02 0 23.94 0.00 1.95 4.07 4.27 65.77 19:14:02 1 21.69 0.00 2.02 1.29 3.40 71.59 19:14:02 2 24.45 0.00 2.31 9.26 4.83 59.15 19:14:02 3 12.24 0.00 3.11 5.81 3.17 75.67 19:15:01 all 19.64 0.00 1.40 2.06 2.29 74.61 19:15:01 0 12.66 0.00 0.62 0.23 2.52 83.97 19:15:01 1 15.20 0.00 1.08 0.40 1.74 81.58 19:15:01 2 30.07 0.00 2.31 3.93 3.31 60.38 19:15:01 3 20.65 0.00 1.57 3.66 1.60 72.51 19:16:01 all 37.47 0.00 1.99 1.18 7.87 51.49 19:16:01 0 29.87 0.00 1.21 0.39 7.13 61.40 19:16:01 1 48.15 0.00 1.43 0.43 7.80 42.20 19:16:01 2 44.64 0.00 2.63 2.63 8.79 41.30 19:16:01 3 27.30 0.00 2.66 1.25 7.75 61.04 19:17:01 all 20.69 0.00 1.09 0.87 2.49 74.86 19:17:01 0 27.94 0.00 0.83 0.71 2.04 68.48 19:17:01 1 35.31 0.00 1.56 0.23 3.49 59.41 19:17:01 2 12.75 0.00 1.14 1.60 2.50 82.02 19:17:01 3 6.76 0.00 0.87 0.96 1.91 89.50 Average: all 24.66 0.00 1.71 2.31 4.16 67.16 Average: 0 23.64 0.00 1.15 1.35 4.00 69.85 Average: 1 30.21 0.00 1.52 0.59 4.12 63.55 Average: 2 28.02 0.00 2.10 4.36 4.88 60.65 Average: 3 16.76 0.00 2.06 2.91 3.64 74.63