---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1221 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 7.7G 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 475 5153 0 2347 7217 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:0e:e3:17 brd ff:ff:ff:ff:ff:ff inet 10.32.7.17/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fe0e:e317/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1221) 12/20/25 _x86_64_ (4 CPU) 05:14:56 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:01 163.79 79.47 84.32 4845.06 40552.99 05:17:01 75.21 21.13 54.08 1361.95 9474.31 05:18:01 45.46 14.88 30.58 911.18 6740.74 05:19:01 19.60 5.85 13.75 199.43 4386.74 05:20:01 28.23 1.23 27.00 98.65 6906.72 Average: 66.46 24.51 41.94 1483.25 13612.16 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 6010828 7429416 2156592 26.40 36488 1562208 679304 7.37 571504 1422688 85812 05:17:01 5696004 7386908 2471416 30.26 57132 1797804 841884 9.14 627916 1647164 108992 05:18:01 4858676 6757232 3308744 40.51 62912 1993148 1338324 14.52 1281660 1815988 97276 05:19:01 4705968 6791440 3461452 42.38 66116 2171956 1115244 12.10 1331752 1907100 147864 05:20:01 5287736 7397624 2879684 35.26 69000 2193112 687908 7.46 746164 1913024 10424 Average: 5311842 7152524 2855578 34.96 58330 1943646 932533 10.12 911799 1741193 90074 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 ens3 424.30 219.40 1473.41 63.77 0.00 0.00 0.00 0.00 05:16:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 05:17:01 ens3 69.89 44.80 460.89 11.75 0.00 0.00 0.00 0.00 05:17:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 05:18:01 ens3 205.83 195.95 2656.83 25.96 0.00 0.00 0.00 0.00 05:18:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 05:19:01 ens3 98.07 93.52 1029.89 12.87 0.00 0.00 0.00 0.00 05:19:01 lo 120.48 120.48 36.41 36.41 0.00 0.00 0.00 0.00 05:20:01 ens3 34.39 30.51 227.81 10.08 0.00 0.00 0.00 0.00 05:20:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 166.49 116.83 1169.74 24.88 0.00 0.00 0.00 0.00 Average: lo 24.92 24.92 7.36 7.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1221) 12/20/25 _x86_64_ (4 CPU) 05:14:56 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:01 all 20.90 0.00 2.73 5.54 3.03 67.80 05:16:01 0 13.19 0.00 1.63 3.05 2.31 79.81 05:16:01 1 11.87 0.00 1.69 6.37 2.30 77.77 05:16:01 2 15.46 0.00 5.03 9.01 3.90 66.60 05:16:01 3 43.16 0.00 2.53 3.67 3.62 47.00 05:17:01 all 21.02 0.00 1.36 2.32 2.03 73.26 05:17:01 0 36.86 0.00 1.56 2.12 2.86 56.60 05:17:01 1 9.18 0.00 0.93 1.74 1.24 86.91 05:17:01 2 14.80 0.00 1.18 5.09 1.94 76.99 05:17:01 3 23.19 0.00 1.77 0.36 2.09 72.59 05:18:01 all 24.53 0.00 1.06 1.01 3.54 69.86 05:18:01 0 18.82 0.00 1.01 0.53 3.11 76.52 05:18:01 1 23.84 0.00 1.44 2.97 3.93 67.82 05:18:01 2 26.93 0.00 1.07 0.50 3.87 67.63 05:18:01 3 28.53 0.00 0.71 0.02 3.26 67.48 05:19:01 all 42.24 0.00 1.51 0.37 5.99 49.90 05:19:01 0 37.92 0.00 1.79 0.64 5.89 53.77 05:19:01 1 41.80 0.00 1.31 0.54 5.98 50.37 05:19:01 2 44.80 0.00 1.46 0.13 6.03 47.58 05:19:01 3 44.42 0.00 1.48 0.16 6.06 47.87 05:20:01 all 21.52 0.00 1.02 0.97 1.43 75.05 05:20:01 0 27.86 0.00 0.98 3.50 1.64 66.01 05:20:01 1 11.53 0.00 0.75 0.08 0.82 86.82 05:20:01 2 32.44 0.00 1.48 0.15 2.41 63.52 05:20:01 3 14.15 0.00 0.83 0.15 0.90 83.97 Average: all 26.07 0.00 1.54 2.04 3.21 67.14 Average: 0 26.94 0.00 1.40 1.97 3.17 66.53 Average: 1 19.69 0.00 1.22 2.34 2.86 73.88 Average: 2 26.91 0.00 2.05 2.98 3.63 64.43 Average: 3 30.73 0.00 1.47 0.87 3.19 63.74