---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1873 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 7.7G 12G 41% / 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 471 5157 0 2347 7220 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:45:07:c3 brd ff:ff:ff:ff:ff:ff inet 10.32.6.240/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86072sec preferred_lft 86072sec inet6 fe80::f816:3eff:fe45:7c3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1873) 12/27/25 _x86_64_ (4 CPU) 23:17:50 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 119.88 54.34 65.54 3580.60 5811.45 23:20:01 82.51 31.54 50.97 1677.71 9493.10 23:21:01 37.86 10.20 27.66 773.07 6674.62 23:22:01 13.91 1.00 12.91 28.53 3749.78 23:23:01 29.00 0.65 28.35 76.25 7751.24 Average: 56.63 19.55 37.09 1227.25 6696.13 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 5915620 7383424 2251792 27.57 39552 1606420 735300 7.98 627976 1454660 125684 23:20:01 5546008 7286036 2621404 32.10 58292 1844348 806852 8.75 729372 1688880 142600 23:21:01 4487652 6391448 3679760 45.05 63008 1997880 1758248 19.08 1684332 1779600 91844 23:22:01 5279560 7382940 2887852 35.36 67368 2188360 697524 7.57 754100 1912264 199400 23:23:01 5274876 7384840 2892536 35.42 69732 2192228 700008 7.60 758812 1911084 8828 Average: 5300743 7165738 2866669 35.10 59590 1965847 939586 10.20 910918 1749298 113671 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 ens3 435.31 241.21 1446.28 67.33 0.00 0.00 0.00 0.00 23:19:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 23:20:01 ens3 97.35 76.66 1077.25 23.10 0.00 0.00 0.00 0.00 23:20:01 lo 1.60 1.60 0.15 0.15 0.00 0.00 0.00 0.00 23:21:01 ens3 163.82 156.94 2005.34 21.79 0.00 0.00 0.00 0.00 23:21:01 lo 2.30 2.30 0.78 0.78 0.00 0.00 0.00 0.00 23:22:01 ens3 116.33 110.80 1252.26 18.34 0.00 0.00 0.00 0.00 23:22:01 lo 117.60 117.60 35.62 35.62 0.00 0.00 0.00 0.00 23:23:01 ens3 11.98 13.11 9.30 6.09 0.00 0.00 0.00 0.00 23:23:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 164.96 119.74 1158.08 27.33 0.00 0.00 0.00 0.00 Average: lo 24.59 24.59 7.34 7.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1873) 12/27/25 _x86_64_ (4 CPU) 23:17:50 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 23.35 0.00 1.77 3.46 1.12 70.29 23:19:01 0 20.25 0.00 1.80 1.97 0.95 75.03 23:19:01 1 16.13 0.00 1.74 5.58 1.28 75.26 23:19:01 2 14.37 0.00 1.19 4.99 0.77 78.68 23:19:01 3 42.71 0.00 2.34 1.31 1.51 52.13 23:20:01 all 24.06 0.00 1.50 2.03 1.12 71.29 23:20:01 0 20.78 0.00 1.28 0.95 1.26 75.73 23:20:01 1 37.31 0.00 1.88 0.77 1.43 58.61 23:20:01 2 22.10 0.00 1.57 4.84 0.98 70.51 23:20:01 3 16.04 0.00 1.25 1.55 0.77 80.39 23:21:01 all 39.48 0.00 1.38 0.88 2.40 55.87 23:21:01 0 39.14 0.00 1.44 0.35 2.29 56.77 23:21:01 1 41.24 0.00 1.25 0.58 2.49 54.44 23:21:01 2 43.84 0.00 1.13 0.17 2.20 52.67 23:21:01 3 33.68 0.00 1.73 2.40 2.62 59.56 23:22:01 all 33.38 0.00 1.48 0.32 1.98 62.84 23:22:01 0 29.75 0.00 1.25 0.48 1.65 66.87 23:22:01 1 34.95 0.00 1.55 0.58 1.95 60.98 23:22:01 2 40.48 0.00 1.18 0.05 2.30 55.99 23:22:01 3 28.34 0.00 1.91 0.17 2.06 67.52 23:23:01 all 21.32 0.00 0.93 0.81 0.75 76.20 23:23:01 0 22.87 0.00 1.20 0.82 0.73 74.38 23:23:01 1 0.38 0.00 0.37 2.08 0.35 96.82 23:23:01 2 60.74 0.00 1.88 0.33 1.70 35.35 23:23:01 3 1.33 0.00 0.27 0.00 0.20 98.20 Average: all 28.32 0.00 1.41 1.50 1.47 67.30 Average: 0 26.55 0.00 1.39 0.91 1.38 69.77 Average: 1 26.00 0.00 1.36 1.92 1.50 69.22 Average: 2 36.32 0.00 1.39 2.07 1.59 58.62 Average: 3 24.40 0.00 1.50 1.08 1.43 71.58