---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-148 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.5G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 426 1429 0 2087 3255 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:f9:ec:62 brd ff:ff:ff:ff:ff:ff inet 10.32.7.85/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fef9:ec62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-148) 07/11/25 _x86_64_ (4 CPU) 19:12:58 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 171.06 90.19 80.87 5079.77 40064.53 19:15:01 53.97 0.22 53.75 27.11 9109.91 19:16:01 75.86 18.51 57.35 668.84 8294.30 19:17:01 24.61 0.83 23.78 54.52 4455.12 Average: 81.49 27.55 53.94 1463.67 15508.35 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 1972676 3375704 2065968 51.15 35768 1531476 597512 11.75 519120 1391940 70448 19:15:01 1761216 3353964 2277428 56.39 52452 1693792 609324 11.98 547548 1551764 57624 19:16:01 1499220 3354612 2539424 62.88 62216 1936428 592960 11.66 638152 1703908 100332 19:17:01 1434016 3300616 2604628 64.49 64336 1945332 645756 12.69 699252 1707084 8828 Average: 1666782 3346224 2371862 58.73 53693 1776757 611388 12.02 601018 1588674 59308 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 ens3 339.59 177.01 1215.89 61.62 0.00 0.00 0.00 0.00 19:14:02 lo 2.07 2.07 0.19 0.19 0.00 0.00 0.00 0.00 19:15:01 ens3 41.69 32.59 556.46 4.44 0.00 0.00 0.00 0.00 19:15:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 19:16:01 ens3 250.98 262.96 1393.83 55.21 0.00 0.00 0.00 0.00 19:16:01 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 19:17:01 ens3 48.33 58.26 26.93 527.85 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 Average: ens3 170.69 133.13 799.33 162.93 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-148) 07/11/25 _x86_64_ (4 CPU) 19:12:58 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 20.88 0.00 2.80 6.02 3.61 66.69 19:14:02 0 14.71 0.00 1.88 6.07 2.56 74.78 19:14:02 1 22.41 0.00 4.67 2.80 3.05 67.07 19:14:02 2 35.07 0.00 2.35 4.32 3.99 54.27 19:14:02 3 11.39 0.00 2.28 10.85 4.82 70.67 19:15:01 all 19.14 0.00 1.18 2.17 1.81 75.71 19:15:01 0 5.59 0.00 0.41 0.02 0.47 93.51 19:15:01 1 36.79 0.00 1.80 0.44 1.95 59.02 19:15:01 2 30.81 0.00 1.98 7.43 2.31 57.47 19:15:01 3 3.43 0.00 0.53 0.78 2.50 92.75 19:16:01 all 37.79 0.00 1.88 1.26 6.23 52.84 19:16:01 0 33.43 0.00 1.36 0.36 5.77 59.08 19:16:01 1 50.30 0.00 2.43 1.08 5.98 40.21 19:16:01 2 38.82 0.00 1.82 2.11 6.30 50.95 19:16:01 3 28.71 0.00 1.92 1.46 6.84 61.07 19:17:01 all 20.32 0.00 0.81 0.99 1.71 76.18 19:17:01 0 0.80 0.00 0.34 0.02 1.68 97.16 19:17:01 1 59.10 0.00 1.59 0.48 2.49 36.34 19:17:01 2 17.61 0.00 0.75 2.73 1.36 77.56 19:17:01 3 4.05 0.00 0.55 0.74 1.32 93.34 Average: all 24.59 0.00 1.67 2.61 3.35 67.78 Average: 0 13.71 0.00 1.00 1.62 2.64 81.03 Average: 1 42.17 0.00 2.63 1.21 3.38 50.62 Average: 2 30.61 0.00 1.72 4.13 3.50 60.03 Average: 3 11.98 0.00 1.33 3.49 3.89 79.32