---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8491 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 481 5319 0 2175 7214 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:a8:c0:d9 brd ff:ff:ff:ff:ff:ff inet 10.32.7.7/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86093sec preferred_lft 86093sec inet6 fe80::f816:3eff:fea8:c0d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8491) 03/09/26 _x86_64_ (4 CPU) 14:54:54 LINUX RESTART (4 CPU) 14:55:01 tps rtps wtps bread/s bwrtn/s 14:56:02 148.43 62.24 86.19 4209.83 40744.56 14:57:01 85.36 30.55 54.81 1730.13 9679.57 14:58:01 62.98 8.63 54.35 503.57 6577.14 14:59:01 31.76 2.97 28.80 127.45 5609.73 Average: 82.12 26.08 56.04 1642.33 15677.11 14:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:56:02 5952800 7377084 2214620 27.12 37264 1566956 735564 7.98 627348 1425492 86392 14:57:01 5600220 7296188 2567200 31.43 56904 1803476 834892 9.06 725576 1647564 99264 14:58:01 5385864 7190364 2781556 34.06 63372 1900572 874860 9.49 891000 1685188 5564 14:59:01 5484936 7422900 2682484 32.84 66648 2028420 644768 7.00 723596 1750664 8796 Average: 5605955 7321634 2561465 31.36 56047 1824856 772521 8.38 741880 1627227 50004 14:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:56:02 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 14:56:02 ens3 398.58 215.01 1464.87 65.18 0.00 0.00 0.00 0.00 14:57:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 14:57:01 ens3 62.54 52.85 430.15 14.85 0.00 0.00 0.00 0.00 14:58:01 lo 0.57 0.57 0.05 0.05 0.00 0.00 0.00 0.00 14:58:01 ens3 278.69 310.88 1283.68 52.00 0.00 0.00 0.00 0.00 14:59:01 lo 1.20 1.20 0.10 0.10 0.00 0.00 0.00 0.00 14:59:01 ens3 122.73 129.48 322.45 617.20 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 Average: ens3 216.27 177.57 877.15 188.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8491) 03/09/26 _x86_64_ (4 CPU) 14:54:54 LINUX RESTART (4 CPU) 14:55:01 CPU %user %nice %system %iowait %steal %idle 14:56:02 all 22.09 0.00 2.61 4.50 1.38 69.43 14:56:02 0 11.03 0.00 3.72 3.09 0.72 81.44 14:56:02 1 25.96 0.00 2.43 11.16 1.83 58.62 14:56:02 2 13.80 0.00 1.84 2.32 1.36 80.69 14:56:02 3 37.56 0.00 2.41 1.43 1.60 57.00 14:57:01 all 22.11 0.00 1.51 2.12 1.21 73.04 14:57:01 0 8.07 0.00 0.61 0.69 0.79 89.83 14:57:01 1 13.61 0.00 1.20 5.02 0.83 79.35 14:57:01 2 24.31 0.00 1.61 1.42 1.56 71.11 14:57:01 3 42.49 0.00 2.66 1.41 1.64 51.80 14:58:01 all 39.43 0.00 2.25 0.78 3.02 54.52 14:58:01 0 39.65 0.00 2.19 0.33 2.87 54.96 14:58:01 1 35.08 0.00 2.76 0.96 2.91 58.29 14:58:01 2 44.07 0.00 1.19 1.49 2.89 50.36 14:58:01 3 38.94 0.00 2.83 0.33 3.40 54.50 14:59:01 all 23.10 0.00 1.35 0.76 1.29 73.51 14:59:01 0 27.54 0.00 1.52 0.27 1.00 69.68 14:59:01 1 16.53 0.00 0.76 1.38 1.24 80.09 14:59:01 2 13.73 0.00 1.42 1.09 1.64 82.12 14:59:01 3 34.72 0.00 1.70 0.28 1.27 62.03 Average: all 26.71 0.00 1.93 2.04 1.73 67.59 Average: 0 21.64 0.00 2.01 1.09 1.35 73.90 Average: 1 22.83 0.00 1.79 4.62 1.71 69.05 Average: 2 23.96 0.00 1.51 1.58 1.86 71.08 Average: 3 38.41 0.00 2.40 0.86 1.98 56.35