---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9941 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 7.8G 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 477 5117 0 2381 7214 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:ee:09:34 brd ff:ff:ff:ff:ff:ff inet 10.32.7.25/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86010sec preferred_lft 86010sec inet6 fe80::f816:3eff:feee:934/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9941) 11/22/25 _x86_64_ (4 CPU) 15:07:52 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 128.63 54.36 74.27 3572.74 36695.50 15:10:01 78.52 25.56 52.96 1502.95 9020.90 15:11:01 39.83 4.38 35.44 161.84 7189.34 15:12:01 10.80 1.35 9.45 27.86 369.34 15:13:01 51.17 2.13 49.04 115.05 9023.16 15:14:01 23.34 0.67 22.68 76.37 4670.31 Average: 55.38 14.74 40.64 909.42 11160.94 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 5981936 7399632 2185484 26.76 36776 1560776 712164 7.73 601048 1421736 87456 15:10:01 5670172 7362688 2497248 30.58 56808 1799700 833616 9.05 654288 1648048 135628 15:11:01 5528924 7300632 2638496 32.31 58868 1874996 796936 8.65 718728 1720612 1836 15:12:01 5506220 7286536 2661200 32.58 60764 1880316 796936 8.65 734772 1724252 1844 15:13:01 5232452 7370928 2934968 35.94 65744 2226224 707152 7.67 686556 2031660 109932 15:14:01 5246904 7391624 2920516 35.76 67912 2229916 686356 7.45 672404 2030512 9780 Average: 5527768 7352007 2639652 32.32 57812 1928655 755527 8.20 677966 1762803 57746 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 ens3 425.38 226.51 1383.94 65.20 0.00 0.00 0.00 0.00 15:09:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 15:10:01 ens3 67.97 42.33 455.93 12.71 0.00 0.00 0.00 0.00 15:10:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 15:11:01 ens3 95.82 102.95 1166.02 14.71 0.00 0.00 0.00 0.00 15:11:01 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 70.79 89.97 74.91 18.73 0.00 0.00 0.00 0.00 15:12:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 15:13:01 ens3 615.60 547.83 4082.48 68.80 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 11.75 12.06 10.43 5.79 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 214.54 170.27 1195.55 30.99 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-9941) 11/22/25 _x86_64_ (4 CPU) 15:07:52 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 23.20 0.00 2.02 4.49 1.70 68.58 15:09:01 0 14.98 0.00 1.30 5.90 1.40 76.43 15:09:01 1 20.64 0.00 2.03 6.25 1.50 69.58 15:09:01 2 14.32 0.00 1.84 2.24 1.81 79.79 15:09:01 3 42.98 0.00 2.90 3.59 2.08 48.45 15:10:01 all 21.88 0.00 1.33 2.55 1.66 72.58 15:10:01 0 3.79 0.00 0.50 5.59 0.70 89.42 15:10:01 1 11.25 0.00 0.65 1.78 2.70 83.61 15:10:01 2 49.77 0.00 2.75 1.43 2.08 43.97 15:10:01 3 22.89 0.00 1.43 1.43 1.16 73.09 15:11:01 all 11.86 0.00 0.58 0.71 1.31 85.54 15:11:01 0 18.77 0.00 0.47 0.48 1.31 78.97 15:11:01 1 13.09 0.00 0.50 0.25 1.30 84.86 15:11:01 2 10.42 0.00 0.76 0.28 1.79 86.74 15:11:01 3 5.15 0.00 0.60 1.83 0.82 91.60 15:12:01 all 4.80 0.00 0.44 0.12 1.18 93.45 15:12:01 0 1.05 0.00 0.05 0.08 0.30 98.52 15:12:01 1 7.68 0.00 0.79 0.05 1.47 90.01 15:12:01 2 6.27 0.00 0.53 0.08 1.95 91.17 15:12:01 3 4.19 0.00 0.36 0.28 0.99 94.17 15:13:01 all 19.03 0.00 1.69 0.92 2.17 76.19 15:13:01 0 14.84 0.00 1.20 0.42 1.49 82.05 15:13:01 1 12.57 0.00 1.01 0.13 2.08 84.21 15:13:01 2 32.33 0.00 2.09 0.75 2.93 61.90 15:13:01 3 16.37 0.00 2.45 2.42 2.17 76.59 15:14:01 all 20.16 0.00 1.03 0.96 1.64 76.22 15:14:01 0 17.23 0.00 0.72 0.13 2.44 79.48 15:14:01 1 27.22 0.00 1.13 0.12 1.36 70.18 15:14:01 2 11.24 0.00 0.71 0.63 1.37 86.05 15:14:01 3 25.02 0.00 1.58 2.95 1.38 69.07 Average: all 16.82 0.00 1.18 1.63 1.61 78.76 Average: 0 11.79 0.00 0.70 2.10 1.28 84.13 Average: 1 15.39 0.00 1.02 1.43 1.74 80.42 Average: 2 20.69 0.00 1.44 0.90 1.99 74.98 Average: 3 19.42 0.00 1.55 2.08 1.43 75.51