---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8591 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 463 5359 0 2153 7233 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:5e:29:d1 brd ff:ff:ff:ff:ff:ff inet 10.32.6.59/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86044sec preferred_lft 86044sec inet6 fe80::f816:3eff:fe5e:29d1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8591) 11/08/25 _x86_64_ (4 CPU) 23:17:56 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 157.46 75.70 81.75 4436.06 39943.63 23:20:01 54.58 0.22 54.37 26.66 9193.87 23:21:01 63.46 32.73 30.73 2038.33 7817.50 23:22:01 16.74 7.61 9.13 380.94 3524.16 23:23:01 16.88 0.83 16.05 85.59 737.61 Average: 61.82 23.42 38.40 1393.43 12242.96 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 6039076 7428312 2128336 26.06 35972 1534020 688476 7.47 574244 1394624 70124 23:20:01 5754696 7398680 2412716 29.54 55176 1754252 709888 7.70 615344 1605036 126832 23:21:01 5337628 7223864 2829784 34.65 62312 1982104 865824 9.39 808124 1814308 93492 23:22:01 4535676 6442152 3631736 44.47 63156 2000240 1518804 16.48 1636040 1781036 736 23:23:01 5427872 7349464 2739540 33.54 65152 2014000 740432 8.03 751120 1780172 29444 Average: 5418990 7168494 2748422 33.65 56354 1856923 904685 9.82 876974 1675035 64126 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 ens3 362.54 203.68 1204.63 63.18 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 38.22 31.59 554.09 4.22 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 244.21 202.22 2733.48 32.11 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 14.28 14.05 90.14 2.55 0.00 0.00 0.00 0.00 23:22:01 lo 86.95 86.95 32.16 32.16 0.00 0.00 0.00 0.00 23:23:01 ens3 13.21 11.93 9.94 6.06 0.00 0.00 0.00 0.00 23:23:01 lo 37.66 37.66 4.62 4.62 0.00 0.00 0.00 0.00 Average: ens3 134.49 92.69 918.42 21.62 0.00 0.00 0.00 0.00 Average: lo 25.52 25.52 7.41 7.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8591) 11/08/25 _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 23.05 0.00 3.03 5.24 1.79 66.89 23:19:01 0 16.29 0.00 1.78 8.26 1.63 72.04 23:19:01 1 23.14 0.00 2.27 6.26 1.87 66.47 23:19:01 2 28.17 0.00 2.10 2.25 1.96 65.52 23:19:01 3 24.62 0.00 5.91 4.23 1.71 63.53 23:20:01 all 20.79 0.00 1.26 1.55 1.16 75.24 23:20:01 0 10.69 0.00 0.81 1.64 1.37 85.48 23:20:01 1 43.85 0.00 2.30 1.05 1.63 51.17 23:20:01 2 28.48 0.00 1.70 0.42 1.14 68.27 23:20:01 3 0.20 0.00 0.32 3.09 0.48 95.91 23:21:01 all 21.41 0.00 1.52 1.37 1.63 74.07 23:21:01 0 17.29 0.00 1.84 2.11 1.53 77.24 23:21:01 1 21.43 0.00 1.35 1.66 1.66 73.90 23:21:01 2 21.70 0.00 1.47 0.53 1.38 74.91 23:21:01 3 25.25 0.00 1.40 1.15 1.95 70.25 23:22:01 all 55.37 0.00 1.50 0.44 3.87 38.83 23:22:01 0 59.59 0.00 1.34 0.50 4.28 34.29 23:22:01 1 51.50 0.00 1.76 0.40 3.69 42.64 23:22:01 2 53.37 0.00 1.55 0.18 3.74 41.16 23:22:01 3 56.98 0.00 1.35 0.67 3.78 37.24 23:23:01 all 19.91 0.00 1.08 0.44 0.76 77.81 23:23:01 0 7.95 0.00 0.98 1.38 0.35 89.33 23:23:01 1 11.46 0.00 0.91 0.03 0.71 86.87 23:23:01 2 20.03 0.00 1.17 0.28 0.82 77.70 23:23:01 3 40.24 0.00 1.25 0.08 1.15 57.28 Average: all 28.11 0.00 1.68 1.81 1.84 66.56 Average: 0 22.37 0.00 1.35 2.77 1.83 71.67 Average: 1 30.28 0.00 1.72 1.88 1.91 64.21 Average: 2 30.36 0.00 1.60 0.73 1.81 65.50 Average: 3 29.45 0.00 2.04 1.84 1.81 64.84