---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6186 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 467 5136 0 2371 7225 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:85:c3:cb brd ff:ff:ff:ff:ff:ff inet 10.32.6.115/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85966sec preferred_lft 85966sec inet6 fe80::f816:3eff:fe85:c3cb/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-6186) 10/11/25 _x86_64_ (4 CPU) 11:17:04 LINUX RESTART (4 CPU) 11:18:02 tps rtps wtps bread/s bwrtn/s 11:19:01 57.07 0.32 56.74 28.87 9046.15 11:20:01 65.98 29.71 36.27 1637.32 7857.65 11:21:01 8.45 0.02 8.43 0.13 393.00 11:22:01 8.50 0.00 8.50 0.00 311.36 11:23:01 50.89 2.15 48.74 115.18 8967.17 11:24:01 21.10 0.70 20.40 77.85 4679.09 Average: 35.27 5.50 29.77 310.70 5198.43 11:18:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:19:01 5819996 7419336 2347424 28.74 53136 1715372 706944 7.67 590992 1570204 96308 11:20:01 5532740 7293112 2634680 32.26 58028 1865300 780424 8.47 727020 1710952 4084 11:21:01 5525780 7292236 2641640 32.34 59664 1869016 780424 8.47 729136 1713956 1640 11:22:01 5486796 7259376 2680624 32.82 61228 1872764 823896 8.94 762952 1716916 1252 11:23:01 5232444 7363412 2934976 35.94 66028 2219100 728608 7.91 695048 2025336 111088 11:24:01 5241336 7378312 2926084 35.83 68388 2222568 713460 7.74 686264 2024232 11888 Average: 5473182 7334297 2694238 32.99 61079 1960687 755626 8.20 698569 1793599 37710 11:18:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:19:01 ens3 52.61 38.73 710.15 5.40 0.00 0.00 0.00 0.00 11:19:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:20:01 ens3 112.41 85.70 1136.73 18.99 0.00 0.00 0.00 0.00 11:20:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 11:21:01 ens3 47.46 66.97 52.96 10.72 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 11:22:01 ens3 72.84 106.85 66.03 16.77 0.00 0.00 0.00 0.00 11:22:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 11:23:01 ens3 513.85 417.88 4067.98 61.00 0.00 0.00 0.00 0.00 11:23:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 11:24:01 ens3 11.60 12.13 9.01 5.86 0.00 0.00 0.00 0.00 11:24:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 135.35 121.60 1007.94 19.83 0.00 0.00 0.00 0.00 Average: lo 0.58 0.58 0.05 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6186) 10/11/25 _x86_64_ (4 CPU) 11:17:04 LINUX RESTART (4 CPU) 11:18:02 CPU %user %nice %system %iowait %steal %idle 11:19:01 all 19.35 0.00 1.16 2.77 1.27 75.45 11:19:01 0 5.11 0.00 0.56 0.88 0.39 93.06 11:19:01 1 39.54 0.00 2.28 9.31 2.08 46.79 11:19:01 2 26.05 0.00 1.28 0.41 1.74 70.52 11:19:01 3 6.66 0.00 0.54 0.46 0.86 91.48 11:20:01 all 14.91 0.00 1.10 1.66 2.98 79.35 11:20:01 0 12.62 0.00 1.12 0.74 3.06 82.45 11:20:01 1 17.76 0.00 0.92 0.89 2.84 77.58 11:20:01 2 18.02 0.00 1.60 3.24 3.32 73.82 11:20:01 3 11.23 0.00 0.74 1.82 2.71 83.50 11:21:01 all 5.46 0.00 0.40 0.06 2.05 92.02 11:21:01 0 0.35 0.00 0.02 0.00 0.43 99.20 11:21:01 1 8.70 0.00 0.28 0.18 2.35 88.49 11:21:01 2 7.19 0.00 0.94 0.00 2.93 88.94 11:21:01 3 5.50 0.00 0.36 0.03 2.47 91.63 11:22:01 all 4.52 0.00 0.44 0.06 2.32 92.67 11:22:01 0 2.13 0.00 0.23 0.00 0.96 96.68 11:22:01 1 3.04 0.00 0.28 0.20 2.35 94.13 11:22:01 2 6.05 0.00 1.02 0.02 3.11 89.81 11:22:01 3 6.85 0.00 0.26 0.03 2.84 90.01 11:23:01 all 17.98 0.00 1.63 0.90 4.64 74.85 11:23:01 0 24.01 0.00 1.35 0.74 3.70 70.20 11:23:01 1 18.87 0.00 1.64 2.01 4.85 72.63 11:23:01 2 12.54 0.00 1.18 0.07 3.86 82.36 11:23:01 3 16.52 0.00 2.34 0.78 6.09 74.27 11:24:01 all 19.67 0.00 1.03 1.34 2.57 75.39 11:24:01 0 15.11 0.00 0.53 0.46 2.41 81.49 11:24:01 1 3.99 0.00 0.60 3.92 1.27 90.22 11:24:01 2 15.95 0.00 0.98 0.51 2.91 79.65 11:24:01 3 43.52 0.00 2.02 0.49 3.67 50.30 Average: all 13.64 0.00 0.96 1.13 2.65 81.63 Average: 0 9.94 0.00 0.64 0.47 1.84 87.11 Average: 1 15.23 0.00 1.00 2.72 2.63 78.43 Average: 2 14.25 0.00 1.17 0.70 2.98 80.90 Average: 3 15.11 0.00 1.05 0.60 3.13 80.11