---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-12739 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.5G 69G 11% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 621 13020 0 2398 15099 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:8c:c7:75 brd ff:ff:ff:ff:ff:ff inet 10.30.107.141/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86012sec preferred_lft 86012sec inet6 fe80::f816:3eff:fe8c:c775/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-12739) 11/14/25 _x86_64_ (4 CPU) 21:10:45 LINUX RESTART (4 CPU) 21:11:06 tps rtps wtps bread/s bwrtn/s 21:12:02 441.52 120.32 321.20 6106.53 48003.78 21:13:01 168.54 41.22 127.31 2525.65 14730.06 21:14:01 19.01 2.65 16.36 79.99 3153.74 21:15:01 2.02 0.00 2.02 0.00 188.77 21:16:01 13.71 2.22 11.50 185.84 4503.25 21:17:01 30.98 2.20 28.78 137.58 3801.50 Average: 107.83 26.76 81.07 1438.11 11887.50 21:11:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:12:02 14026768 15542032 2398200 14.60 60008 1657560 812636 4.65 673408 1515312 165904 21:13:01 12755884 14572416 3669084 22.34 74340 1932612 1895500 10.85 1715668 1717832 11456 21:14:01 12395528 14294300 4029440 24.53 76372 2009996 1961180 11.22 2017104 1769084 1016 21:15:01 12394632 14293464 4030336 24.54 76428 2010044 1961180 11.22 2019548 1769124 112 21:16:01 13076588 15164908 3348380 20.39 78664 2193044 1085052 6.21 1183204 1915532 52212 21:17:01 13344300 15480520 3080668 18.76 82368 2235720 886172 5.07 917964 1912080 34632 Average: 12998950 14891273 3426018 20.86 74697 2006496 1433620 8.20 1421149 1766494 44222 21:11:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:12:02 lo 3.05 3.05 0.31 0.31 0.00 0.00 0.00 0.00 21:12:02 ens3 379.89 258.15 1838.79 78.64 0.00 0.00 0.00 0.00 21:13:01 lo 0.54 0.54 0.06 0.06 0.00 0.00 0.00 0.00 21:13:01 ens3 343.54 251.03 1668.76 65.76 0.00 0.00 0.00 0.00 21:14:01 lo 1.82 1.82 0.09 0.09 0.00 0.00 0.00 0.00 21:14:01 ens3 258.37 186.25 1079.91 68.32 0.00 0.00 0.00 0.00 21:15:01 lo 4.47 4.47 0.22 0.22 0.00 0.00 0.00 0.00 21:15:01 ens3 128.66 78.04 29.69 22.71 0.00 0.00 0.00 0.00 21:16:01 lo 17.53 17.53 2.63 2.63 0.00 0.00 0.00 0.00 21:16:01 ens3 517.88 367.32 2868.97 98.36 0.00 0.00 0.00 0.00 21:17:01 lo 0.67 0.67 0.08 0.08 0.00 0.00 0.00 0.00 21:17:01 ens3 440.29 319.48 365.11 159.22 0.00 0.00 0.00 0.00 Average: lo 4.71 4.71 0.57 0.57 0.00 0.00 0.00 0.00 Average: ens3 344.28 243.15 1300.04 82.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-12739) 11/14/25 _x86_64_ (4 CPU) 21:10:45 LINUX RESTART (4 CPU) 21:11:06 CPU %user %nice %system %iowait %steal %idle 21:12:02 all 20.75 0.00 2.75 5.79 0.07 70.64 21:12:02 0 9.95 0.00 3.73 9.77 0.09 76.45 21:12:02 1 41.14 0.00 3.68 11.43 0.09 43.66 21:12:02 2 13.04 0.00 1.84 1.07 0.05 83.99 21:12:02 3 19.04 0.00 1.71 0.87 0.05 78.32 21:13:01 all 42.07 0.00 1.82 2.11 0.09 53.92 21:13:01 0 35.31 0.00 2.07 3.45 0.10 59.06 21:13:01 1 46.62 0.00 1.37 0.70 0.07 51.25 21:13:01 2 52.67 0.00 2.20 3.34 0.10 41.70 21:13:01 3 33.75 0.00 1.63 0.93 0.08 63.60 21:14:01 all 35.89 0.00 1.32 0.09 0.08 62.63 21:14:01 0 38.36 0.00 1.17 0.08 0.07 60.32 21:14:01 1 32.75 0.00 1.21 0.02 0.08 65.94 21:14:01 2 38.08 0.00 1.28 0.10 0.08 60.45 21:14:01 3 34.33 0.00 1.65 0.15 0.07 63.80 21:15:01 all 0.81 0.00 0.17 0.02 0.03 98.97 21:15:01 0 1.18 0.00 0.22 0.00 0.05 98.55 21:15:01 1 0.47 0.00 0.12 0.02 0.05 99.35 21:15:01 2 0.75 0.00 0.23 0.00 0.03 98.98 21:15:01 3 0.83 0.00 0.13 0.03 0.00 99.00 21:16:01 all 30.14 0.00 1.50 0.07 0.07 68.22 21:16:01 0 30.79 0.00 1.76 0.03 0.07 67.36 21:16:01 1 31.86 0.00 1.34 0.02 0.08 66.69 21:16:01 2 28.57 0.00 1.62 0.22 0.07 69.52 21:16:01 3 29.31 0.00 1.32 0.02 0.08 69.27 21:17:01 all 41.39 0.00 1.82 0.25 0.07 56.46 21:17:01 0 42.76 0.00 2.33 0.08 0.07 54.76 21:17:01 1 58.51 0.00 1.65 0.15 0.07 39.62 21:17:01 2 30.81 0.00 1.68 0.73 0.05 66.72 21:17:01 3 33.47 0.00 1.62 0.05 0.08 64.77 Average: all 28.58 0.00 1.55 1.32 0.07 68.48 Average: 0 26.58 0.00 1.85 2.14 0.07 69.35 Average: 1 35.13 0.00 1.53 1.92 0.07 61.34 Average: 2 27.45 0.00 1.47 0.90 0.07 70.12 Average: 3 25.18 0.00 1.34 0.33 0.06 73.08