---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1322 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 461 5163 0 2350 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:4d:77:7b brd ff:ff:ff:ff:ff:ff inet 10.32.7.3/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86050sec preferred_lft 86050sec inet6 fe80::f816:3eff:fe4d:777b/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-1322) 12/20/25 _x86_64_ (4 CPU) 23:17:56 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 154.41 74.84 79.57 4593.50 39797.52 23:20:01 58.71 0.18 58.52 22.00 9778.50 23:21:01 64.38 32.84 31.54 2061.18 7961.75 23:22:01 16.43 7.67 8.77 362.21 3495.42 23:23:01 24.98 1.40 23.58 100.65 7285.59 Average: 63.78 23.39 40.40 1427.93 13663.56 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 6065656 7443496 2101756 25.73 35240 1523428 673496 7.31 554148 1384824 65088 23:20:01 5778440 7410192 2388972 29.25 54300 1743700 710600 7.71 600432 1596580 116644 23:21:01 5297156 7186076 2870256 35.14 62532 1984424 894564 9.71 843116 1816988 93824 23:22:01 4366908 6276444 3800504 46.53 63360 2002696 1820760 19.76 1799036 1783616 868 23:23:01 5233872 7348072 2933540 35.92 68700 2197180 747892 8.12 792468 1918244 25904 Average: 5348406 7132856 2819006 34.52 56826 1890286 969462 10.52 917840 1700050 60466 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 ens3 334.14 184.49 1109.37 62.22 0.00 0.00 0.00 0.00 23:19:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 23:20:01 ens3 57.47 47.59 651.51 5.52 0.00 0.00 0.00 0.00 23:20:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:21:01 ens3 223.36 194.35 2725.48 31.25 0.00 0.00 0.00 0.00 23:21:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 23:22:01 ens3 13.75 13.71 90.24 2.72 0.00 0.00 0.00 0.00 23:22:01 lo 121.00 121.00 36.57 36.57 0.00 0.00 0.00 0.00 23:23:01 ens3 119.10 112.41 1255.22 20.60 0.00 0.00 0.00 0.00 23:23:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 149.57 110.51 1166.42 24.46 0.00 0.00 0.00 0.00 Average: lo 24.91 24.91 7.38 7.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1322) 12/20/25 _x86_64_ (4 CPU) 23:17:56 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 19.47 0.00 2.72 5.73 2.64 69.44 23:19:01 0 15.28 0.00 4.10 4.82 2.71 73.10 23:19:01 1 30.91 0.00 2.54 7.94 2.69 55.93 23:19:01 2 13.73 0.00 2.23 7.29 2.59 74.16 23:19:01 3 17.99 0.00 1.99 2.87 2.57 74.59 23:20:01 all 19.62 0.00 1.25 1.91 1.28 75.94 23:20:01 0 25.28 0.00 1.53 0.27 1.30 71.63 23:20:01 1 35.67 0.00 1.89 6.64 2.24 53.56 23:20:01 2 6.24 0.00 0.63 0.30 0.91 91.92 23:20:01 3 11.26 0.00 0.97 0.42 0.68 86.68 23:21:01 all 18.35 0.00 1.29 1.44 3.37 75.55 23:21:01 0 16.33 0.00 1.47 1.98 3.49 76.73 23:21:01 1 21.20 0.00 1.27 1.30 3.14 73.09 23:21:01 2 13.50 0.00 1.68 2.39 3.56 78.88 23:21:01 3 22.39 0.00 0.74 0.12 3.31 73.44 23:22:01 all 45.64 0.00 1.60 0.36 5.85 46.56 23:22:01 0 47.65 0.00 1.75 0.18 5.85 44.56 23:22:01 1 43.69 0.00 1.61 0.48 5.89 48.34 23:22:01 2 49.38 0.00 1.27 0.51 5.71 43.13 23:22:01 3 41.85 0.00 1.74 0.25 5.92 50.25 23:23:01 all 26.67 0.00 1.35 0.84 2.08 69.06 23:23:01 0 19.42 0.00 0.85 0.10 1.38 78.26 23:23:01 1 36.30 0.00 1.98 0.28 2.63 58.81 23:23:01 2 12.42 0.00 1.04 2.76 2.01 81.77 23:23:01 3 38.53 0.00 1.56 0.23 2.32 57.37 Average: all 25.98 0.00 1.64 2.05 3.05 67.27 Average: 0 24.83 0.00 1.94 1.47 2.95 68.81 Average: 1 33.57 0.00 1.86 3.32 3.32 57.94 Average: 2 19.08 0.00 1.37 2.65 2.96 73.94 Average: 3 26.45 0.00 1.40 0.77 2.97 68.41