---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6785 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 7.8G 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 450 5153 0 2372 7242 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:4c:44:d8 brd ff:ff:ff:ff:ff:ff inet 10.32.7.150/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85980sec preferred_lft 85980sec inet6 fe80::f816:3eff:fe4c:44d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6785) 10/18/25 _x86_64_ (4 CPU) 11:17:07 LINUX RESTART (4 CPU) 11:18:01 tps rtps wtps bread/s bwrtn/s 11:19:01 48.00 4.97 43.04 69.18 5702.63 11:20:01 86.94 30.07 56.87 1638.51 12198.57 11:21:01 9.76 0.02 9.75 0.13 438.92 11:22:01 13.95 0.02 13.93 0.13 4135.55 11:23:01 48.34 2.72 45.63 189.84 8536.44 11:24:01 22.81 0.53 22.28 18.53 1379.77 Average: 38.30 6.39 31.92 319.44 5398.86 11:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:19:01 5913392 7481588 2254028 27.60 50208 1688384 624184 6.77 521776 1549668 181420 11:20:01 5555100 7315104 2612320 31.98 57764 1865012 758756 8.23 702920 1711472 3868 11:21:01 5539140 7306300 2628280 32.18 59720 1869584 766892 8.32 713864 1714948 1616 11:22:01 5371448 7267800 2795972 34.23 61204 1994668 805464 8.74 751268 1838340 11848 11:23:01 5308724 7442600 2858696 35.00 66408 2221332 636740 6.91 616756 2026484 24280 11:24:01 5282764 7421548 2884656 35.32 68156 2223636 658104 7.14 642232 2025556 9680 Average: 5495095 7372490 2672325 32.72 60577 1977103 708357 7.69 658136 1811078 38785 11:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:19:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 11:19:01 ens3 63.86 46.63 849.25 5.62 0.00 0.00 0.00 0.00 11:20:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 11:20:01 ens3 98.00 76.63 1175.64 19.06 0.00 0.00 0.00 0.00 11:21:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:21:01 ens3 56.61 79.52 62.95 12.75 0.00 0.00 0.00 0.00 11:22:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 11:22:01 ens3 332.06 263.45 2119.73 30.65 0.00 0.00 0.00 0.00 11:23:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 11:23:01 ens3 250.02 263.31 2011.43 55.15 0.00 0.00 0.00 0.00 11:24:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 11:24:01 ens3 8.18 9.85 6.27 4.62 0.00 0.00 0.00 0.00 Average: lo 0.61 0.61 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 134.79 123.23 1037.55 21.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6785) 10/18/25 _x86_64_ (4 CPU) 11:17:07 LINUX RESTART (4 CPU) 11:18:01 CPU %user %nice %system %iowait %steal %idle 11:19:01 all 18.68 0.00 1.34 2.42 2.00 75.55 11:19:01 0 27.88 0.00 1.36 0.58 2.53 67.64 11:19:01 1 3.21 0.00 0.98 8.13 0.96 86.72 11:19:01 2 38.58 0.00 2.59 0.76 3.20 54.86 11:19:01 3 5.09 0.00 0.41 0.23 1.32 92.94 11:20:01 all 18.28 0.00 1.20 2.71 3.24 74.57 11:20:01 0 10.99 0.00 1.40 4.56 3.29 79.75 11:20:01 1 7.22 0.00 0.83 2.79 2.41 86.74 11:20:01 2 42.30 0.00 1.65 0.89 4.88 50.28 11:20:01 3 12.50 0.00 0.93 2.59 2.39 81.60 11:21:01 all 6.70 0.00 0.51 0.04 1.90 90.85 11:21:01 0 4.97 0.00 0.73 0.13 1.89 92.29 11:21:01 1 5.33 0.00 0.18 0.00 1.41 93.08 11:21:01 2 10.64 0.00 0.54 0.00 3.02 85.80 11:21:01 3 5.84 0.00 0.58 0.03 1.26 92.29 11:22:01 all 7.00 0.00 0.83 0.16 2.53 89.47 11:22:01 0 8.91 0.00 1.57 0.11 3.13 86.27 11:22:01 1 4.75 0.00 0.53 0.00 2.09 92.63 11:22:01 2 8.57 0.00 0.71 0.05 3.33 87.34 11:22:01 3 5.79 0.00 0.51 0.46 1.54 91.69 11:23:01 all 21.93 0.00 1.70 1.03 3.19 72.16 11:23:01 0 18.42 0.00 2.31 2.07 3.58 73.62 11:23:01 1 30.70 0.00 2.13 0.36 3.14 63.66 11:23:01 2 21.30 0.00 1.67 0.59 3.48 72.96 11:23:01 3 17.31 0.00 0.66 1.10 2.51 78.42 11:24:01 all 20.29 0.00 0.86 1.08 1.66 76.11 11:24:01 0 0.43 0.00 0.48 2.34 0.65 96.10 11:24:01 1 17.67 0.00 0.90 0.18 1.38 79.88 11:24:01 2 28.91 0.00 0.93 0.18 2.32 67.66 11:24:01 3 34.08 0.00 1.13 1.63 2.32 60.84 Average: all 15.48 0.00 1.08 1.24 2.42 79.79 Average: 0 11.93 0.00 1.31 1.63 2.51 82.61 Average: 1 11.48 0.00 0.92 1.91 1.90 83.79 Average: 2 25.04 0.00 1.35 0.41 3.37 69.83 Average: 3 13.43 0.00 0.70 1.01 1.89 82.97