---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7848 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 8.8G 11G 46% / 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 459 4072 0 3443 7217 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:9f:1b:5f brd ff:ff:ff:ff:ff:ff inet 10.32.7.63/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85999sec preferred_lft 85999sec inet6 fe80::f816:3eff:fe9f:1b5f/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-7848) 08/08/26 _x86_64_ (4 CPU) 15:07:55 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 157.52 74.09 83.44 4460.59 40552.72 15:10:01 54.60 0.17 54.43 21.86 9392.60 15:11:01 88.30 29.96 58.34 1663.86 41530.41 15:12:01 9.28 0.00 9.28 0.00 371.80 15:13:01 35.79 1.17 34.63 63.99 7708.98 15:14:01 29.91 1.62 28.29 119.16 5224.66 Average: 62.57 17.83 44.73 1054.85 17462.97 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 6001748 7435268 2165672 26.52 36260 1577472 667092 7.24 563124 1440528 101168 15:10:01 5678600 7393980 2488820 30.47 56520 1821700 677880 7.36 620504 1670424 162168 15:11:01 4454532 7294888 3712888 45.46 59676 2926756 755724 8.20 730444 2751244 1692 15:12:01 4436628 7284136 3730792 45.68 61644 2931304 755724 8.20 742020 2754760 832 15:13:01 3986236 7161944 4181184 51.19 65632 3248272 866300 9.40 868792 3063204 101132 15:14:01 4196912 7413108 3970508 48.61 68564 3285040 637900 6.92 645112 3076624 25580 Average: 4792443 7330554 3374977 41.32 58049 2631757 726770 7.89 694999 2459464 65429 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 ens3 446.64 247.74 1481.16 67.42 0.00 0.00 0.00 0.00 15:09:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 15:10:01 ens3 22.99 20.01 400.15 3.34 0.00 0.00 0.00 0.00 15:10:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:11:01 ens3 726.05 427.78 17338.69 46.30 0.00 0.00 0.00 0.00 15:11:01 lo 1.53 1.53 0.15 0.15 0.00 0.00 0.00 0.00 15:12:01 ens3 51.72 73.24 56.89 14.50 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:13:01 ens3 533.24 431.53 3675.27 66.96 0.00 0.00 0.00 0.00 15:13:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 15:14:01 ens3 70.13 70.83 427.32 23.02 0.00 0.00 0.00 0.00 15:14:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 308.45 211.84 3896.39 36.92 0.00 0.00 0.00 0.00 Average: lo 0.76 0.76 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7848) 08/08/26 _x86_64_ (4 CPU) 15:07:55 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 21.50 0.00 2.64 5.39 2.25 68.21 15:09:01 0 26.04 0.00 2.05 5.61 2.08 64.23 15:09:01 1 25.12 0.00 4.63 3.18 1.78 65.28 15:09:01 2 13.14 0.00 1.62 9.21 2.34 73.69 15:09:01 3 21.79 0.00 2.26 3.58 2.80 69.58 15:10:01 all 20.24 0.00 1.25 1.79 1.44 75.27 15:10:01 0 8.07 0.00 0.58 3.82 0.68 86.85 15:10:01 1 29.65 0.00 2.03 0.18 1.25 66.88 15:10:01 2 0.83 0.00 0.28 0.84 1.20 96.85 15:10:01 3 42.46 0.00 2.15 2.30 2.61 50.49 15:11:01 all 16.78 0.00 1.60 2.11 2.03 77.48 15:11:01 0 13.06 0.00 1.71 1.41 1.68 82.14 15:11:01 1 15.44 0.00 1.21 1.39 2.20 79.77 15:11:01 2 19.33 0.00 0.88 1.61 1.76 76.43 15:11:01 3 19.30 0.00 2.61 4.02 2.49 71.58 15:12:01 all 4.69 0.00 0.35 0.03 1.43 93.50 15:12:01 0 1.33 0.00 0.32 0.00 0.66 97.69 15:12:01 1 5.21 0.00 0.31 0.12 1.40 92.95 15:12:01 2 4.84 0.00 0.48 0.00 1.49 93.19 15:12:01 3 7.32 0.00 0.30 0.02 2.18 90.19 15:13:01 all 12.20 0.00 1.15 0.24 2.93 83.48 15:13:01 0 8.34 0.00 0.70 0.08 1.67 89.21 15:13:01 1 13.26 0.00 1.51 0.58 3.08 81.57 15:13:01 2 16.62 0.00 1.23 0.21 3.02 78.91 15:13:01 3 10.56 0.00 1.18 0.10 3.94 84.23 15:14:01 all 20.44 0.00 1.12 1.22 2.33 74.88 15:14:01 0 13.17 0.00 0.77 0.36 2.14 83.56 15:14:01 1 17.10 0.00 1.25 3.02 2.27 76.36 15:14:01 2 41.44 0.00 1.57 0.33 2.73 53.93 15:14:01 3 10.16 0.00 0.86 1.17 2.18 85.63 Average: all 15.97 0.00 1.35 1.80 2.07 78.81 Average: 0 11.66 0.00 1.02 1.88 1.49 83.96 Average: 1 17.60 0.00 1.82 1.41 2.00 77.17 Average: 2 16.02 0.00 1.01 2.03 2.09 78.84 Average: 3 18.58 0.00 1.56 1.86 2.70 75.31