---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3615 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 7.8G 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 462 5144 0 2368 7230 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:d5:da:b7 brd ff:ff:ff:ff:ff:ff inet 10.32.6.136/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86005sec preferred_lft 86005sec inet6 fe80::f816:3eff:fed5:dab7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3615) 09/13/25 _x86_64_ (4 CPU) 15:07:50 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 110.40 54.24 56.16 3563.81 4977.05 15:10:01 53.46 0.20 53.26 26.97 9079.45 15:11:01 64.26 29.66 34.61 1628.66 7126.82 15:12:01 9.88 0.00 9.88 0.00 378.67 15:13:01 44.17 2.15 42.02 115.16 8692.84 15:14:01 26.00 0.70 25.30 77.85 4860.26 Average: 51.35 14.53 36.82 904.44 5843.67 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 5985812 7406352 2181608 26.71 36884 1563540 704440 7.64 593732 1423964 86888 15:10:01 5837868 7475000 2329552 28.52 55768 1746048 617976 6.71 527736 1606640 123284 15:11:01 5536908 7298032 2630512 32.21 58872 1864704 791840 8.59 720264 1709600 1664 15:12:01 5520924 7289380 2646496 32.40 60812 1869160 791840 8.59 731180 1713160 1036 15:13:01 5305900 7428460 2861520 35.04 65536 2211140 664464 7.21 627424 2017920 111644 15:14:01 5306792 7439556 2860628 35.02 67652 2218828 649136 7.04 622768 2020268 10708 Average: 5582367 7389463 2585053 31.65 57587 1912237 703283 7.63 637184 1748592 55871 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 ens3 432.88 234.46 1384.68 66.38 0.00 0.00 0.00 0.00 15:09:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 15:10:01 ens3 23.36 19.16 293.29 3.16 0.00 0.00 0.00 0.00 15:10:01 lo 0.54 0.54 0.04 0.04 0.00 0.00 0.00 0.00 15:11:01 ens3 127.47 110.10 1156.56 19.25 0.00 0.00 0.00 0.00 15:11:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 15:12:01 ens3 59.00 83.29 63.49 13.52 0.00 0.00 0.00 0.00 15:12:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 618.73 549.33 4091.81 75.83 0.00 0.00 0.00 0.00 15:13:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 15:14:01 ens3 11.58 12.05 8.97 5.78 0.00 0.00 0.00 0.00 15:14:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 212.69 168.48 1168.90 30.73 0.00 0.00 0.00 0.00 Average: lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3615) 09/13/25 _x86_64_ (4 CPU) 15:07:50 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 23.06 0.00 1.92 3.93 2.05 69.04 15:09:02 0 27.48 0.00 1.73 4.55 2.79 63.46 15:09:02 1 14.63 0.00 1.58 1.42 1.35 81.03 15:09:02 2 12.71 0.00 1.69 7.10 2.04 76.47 15:09:02 3 37.41 0.00 2.69 2.64 2.03 55.23 15:10:01 all 20.58 0.00 1.39 1.79 1.41 74.83 15:10:01 0 17.37 0.00 0.96 0.05 1.45 80.18 15:10:01 1 17.06 0.00 0.94 1.62 1.88 78.50 15:10:01 2 34.07 0.00 2.43 5.34 1.40 56.75 15:10:01 3 13.92 0.00 1.20 0.14 0.88 83.87 15:11:01 all 14.69 0.00 1.01 1.34 1.91 81.04 15:11:01 0 12.74 0.00 0.45 0.45 1.21 85.15 15:11:01 1 11.35 0.00 1.33 1.82 2.02 83.48 15:11:01 2 15.37 0.00 0.81 0.56 1.94 81.31 15:11:01 3 19.29 0.00 1.47 2.55 2.49 74.20 15:12:01 all 4.53 0.00 0.42 0.04 1.55 93.45 15:12:01 0 2.88 0.00 0.22 0.00 0.83 96.07 15:12:01 1 6.73 0.00 0.61 0.15 1.68 90.83 15:12:01 2 4.20 0.00 0.41 0.00 1.37 94.01 15:12:01 3 4.31 0.00 0.43 0.00 2.29 92.97 15:13:01 all 17.08 0.00 1.60 0.47 2.17 78.69 15:13:01 0 15.01 0.00 1.96 0.07 1.97 81.00 15:13:01 1 14.30 0.00 1.28 1.20 1.66 81.56 15:13:01 2 24.69 0.00 1.65 0.58 2.25 70.82 15:13:01 3 14.29 0.00 1.51 0.03 2.78 81.39 15:14:01 all 20.25 0.00 0.98 1.12 1.45 76.19 15:14:01 0 25.90 0.00 0.70 0.22 0.98 72.20 15:14:01 1 1.67 0.00 0.66 3.82 0.98 92.86 15:14:01 2 33.49 0.00 1.53 0.25 1.68 63.06 15:14:01 3 20.00 0.00 1.04 0.20 2.20 76.56 Average: all 16.68 0.00 1.22 1.45 1.76 78.89 Average: 0 16.90 0.00 1.00 0.89 1.54 79.66 Average: 1 10.94 0.00 1.07 1.67 1.59 84.73 Average: 2 20.71 0.00 1.42 2.30 1.78 73.80 Average: 3 18.20 0.00 1.39 0.93 2.11 77.37