---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9841 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 7.6G 12G 40% / 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 465 5334 0 2175 7231 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:3b:14:b1 brd ff:ff:ff:ff:ff:ff inet 10.32.7.206/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86099sec preferred_lft 86099sec inet6 fe80::f816:3eff:fe3b:14b1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9841) 03/27/26 _x86_64_ (4 CPU) 07:04:43 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 98.18 28.29 69.89 939.55 5216.81 07:07:01 81.23 30.53 50.69 1709.93 8307.69 07:08:01 64.33 8.70 55.64 508.55 7036.35 07:09:01 26.37 3.40 22.98 129.29 4893.17 Average: 67.47 17.68 49.80 818.10 6355.40 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5837656 7377040 2329764 28.53 46028 1666796 733524 7.96 659692 1494108 162484 07:07:01 5603076 7307884 2564344 31.40 58080 1810676 801084 8.69 713796 1654352 93852 07:08:01 5489712 7416540 2677708 32.79 65236 2019396 679556 7.37 721580 1748792 113584 07:09:01 5412080 7352180 2755340 33.74 67496 2029912 735548 7.98 794560 1752132 9552 Average: 5585631 7363411 2581789 31.61 59210 1881695 737428 8.00 722407 1662346 94868 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 200.58 128.49 1042.74 42.03 0.00 0.00 0.00 0.00 07:06:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:07:01 ens3 95.41 92.26 515.91 21.73 0.00 0.00 0.00 0.00 07:07:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 287.41 321.97 1489.34 53.12 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:09:01 ens3 58.41 63.16 27.14 593.69 0.00 0.00 0.00 0.00 07:09:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 160.73 151.73 769.87 178.29 0.00 0.00 0.00 0.00 Average: lo 0.98 0.98 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9841) 03/27/26 _x86_64_ (4 CPU) 07:04:43 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 23.13 0.00 1.52 2.89 1.52 70.94 07:06:02 0 44.66 0.00 1.92 0.73 1.99 50.70 07:06:02 1 8.39 0.00 0.73 4.92 1.40 84.56 07:06:02 2 21.17 0.00 2.29 5.08 1.63 69.84 07:06:02 3 18.51 0.00 1.20 0.78 1.08 78.43 07:07:01 all 26.83 0.00 1.84 2.07 1.91 67.35 07:07:01 0 25.81 0.00 2.09 1.87 2.07 68.16 07:07:01 1 24.12 0.00 1.79 4.12 1.60 68.38 07:07:01 2 35.55 0.00 2.33 1.28 2.36 58.49 07:07:01 3 21.83 0.00 1.13 1.02 1.59 74.42 07:08:01 all 44.34 0.00 2.69 0.82 3.62 48.53 07:08:01 0 43.73 0.00 2.27 0.96 3.33 49.70 07:08:01 1 41.98 0.00 3.13 1.61 3.74 49.54 07:08:01 2 48.81 0.00 2.53 0.17 3.47 45.02 07:08:01 3 42.87 0.00 2.84 0.54 3.94 49.81 07:09:01 all 20.91 0.00 0.96 0.92 1.28 75.93 07:09:01 0 1.03 0.00 0.38 1.16 0.73 96.70 07:09:01 1 11.51 0.00 0.59 0.12 1.70 86.08 07:09:01 2 57.16 0.00 2.02 0.87 1.85 38.11 07:09:01 3 14.12 0.00 0.87 1.55 0.88 82.59 Average: all 28.82 0.00 1.75 1.67 2.09 65.66 Average: 0 28.79 0.00 1.66 1.18 2.03 66.33 Average: 1 21.48 0.00 1.56 2.68 2.11 72.17 Average: 2 40.67 0.00 2.29 1.85 2.33 52.86 Average: 3 24.39 0.00 1.51 0.97 1.88 71.25