---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1299 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 7.6G 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 470 5410 0 2094 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:e1:6e:03 brd ff:ff:ff:ff:ff:ff inet 10.32.7.99/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fee1:6e03/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1299) 12/20/25 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 150.36 66.80 83.56 4331.30 40642.90 19:15:01 70.01 12.42 57.58 297.17 9796.03 19:16:01 63.54 6.45 57.09 398.87 7557.54 19:17:01 23.19 1.10 22.09 65.98 4334.69 Average: 76.81 21.73 55.07 1277.62 15608.62 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 5985236 7406052 2182176 26.72 36616 1564040 708924 7.69 594452 1424176 85120 19:15:01 5742388 7403308 2425024 29.69 57192 1767652 820244 8.90 615700 1613616 120328 19:16:01 5493752 7347060 2673660 32.74 63156 1949252 739260 8.02 750984 1716152 113452 19:17:01 5554848 7411824 2612564 31.99 65056 1950912 674948 7.32 693704 1711640 7940 Average: 5694056 7392061 2473356 30.28 55505 1807964 735844 7.98 663710 1616396 81710 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 ens3 416.64 231.82 1489.49 65.37 0.00 0.00 0.00 0.00 19:14:02 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 19:15:01 ens3 86.58 52.75 479.27 13.98 0.00 0.00 0.00 0.00 19:15:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 19:16:01 ens3 227.20 247.43 1233.35 43.07 0.00 0.00 0.00 0.00 19:16:01 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 19:17:01 ens3 51.60 59.40 28.68 538.27 0.00 0.00 0.00 0.00 19:17:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 195.97 148.25 809.09 165.81 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1299) 12/20/25 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 21.46 0.00 2.85 4.45 2.87 68.37 19:14:02 0 19.36 0.00 1.75 2.75 2.66 73.47 19:14:02 1 30.77 0.00 2.45 3.84 3.06 59.89 19:14:02 2 16.93 0.00 2.19 6.66 3.20 71.01 19:14:02 3 18.77 0.00 4.98 4.57 2.56 69.12 19:15:01 all 21.50 0.00 1.35 1.91 2.00 73.24 19:15:01 0 13.53 0.00 0.75 1.04 2.39 82.29 19:15:01 1 10.92 0.00 0.98 5.26 1.25 81.59 19:15:01 2 10.05 0.00 1.03 0.83 1.60 86.50 19:15:01 3 51.72 0.00 2.69 0.52 2.76 42.30 19:16:01 all 36.32 0.00 1.89 1.05 4.76 55.99 19:16:01 0 31.07 0.00 2.13 1.36 4.43 61.01 19:16:01 1 28.26 0.00 2.08 0.20 4.69 64.77 19:16:01 2 45.70 0.00 1.40 1.67 4.59 46.64 19:16:01 3 40.22 0.00 1.91 0.97 5.33 51.56 19:17:01 all 20.72 0.00 0.94 0.71 1.42 76.20 19:17:01 0 7.83 0.00 0.57 0.90 0.90 89.81 19:17:01 1 49.89 0.00 1.22 1.34 2.58 44.96 19:17:01 2 10.26 0.00 0.81 0.43 1.13 87.37 19:17:01 3 14.79 0.00 1.15 0.18 1.06 82.82 Average: all 25.03 0.00 1.76 2.03 2.77 68.41 Average: 0 17.97 0.00 1.30 1.51 2.60 76.61 Average: 1 30.05 0.00 1.69 2.65 2.90 62.71 Average: 2 20.80 0.00 1.36 2.41 2.64 72.79 Average: 3 31.30 0.00 2.68 1.56 2.93 61.53