---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2164 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.8G 12G 41% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 407 1142 0 2393 3268 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:52:27:94 brd ff:ff:ff:ff:ff:ff inet 10.32.7.231/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:fe52:2794/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2164) 12/09/23 _x86_64_ (4 CPU) 15:07:52 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 121.15 67.27 53.87 4544.18 23973.87 15:10:01 86.64 29.05 57.59 1623.20 11930.14 15:11:01 15.31 0.02 15.30 0.13 1482.42 15:12:01 27.02 0.45 26.57 43.99 6982.34 15:13:01 46.96 2.52 44.43 153.06 6399.73 Average: 59.46 19.92 39.54 1276.61 10166.15 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 1799376 3358020 2239268 55.45 48816 1666596 608640 11.96 560632 1507888 146504 15:10:01 1472220 3265196 2566424 63.55 59004 1881032 716376 14.08 670996 1706088 33672 15:11:01 1442748 3241832 2595896 64.28 59772 1885504 724304 14.24 695076 1709708 1556 15:12:01 1089984 3096196 2948660 73.01 61932 2086128 864868 17.00 840524 1906912 3720 15:13:01 1181708 3357800 2856936 70.74 69792 2243476 598144 11.76 619068 2027860 54040 Average: 1397207 3263809 2641437 65.40 59863 1952547 702466 13.81 677259 1771691 47898 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 ens3 379.17 241.64 1385.38 63.53 0.00 0.00 0.00 0.00 15:09:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 15:10:01 ens3 123.68 112.90 1002.04 23.96 0.00 0.00 0.00 0.00 15:10:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 15:11:01 ens3 57.72 81.57 71.51 13.00 0.00 0.00 0.00 0.00 15:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 517.94 449.30 3359.23 48.16 0.00 0.00 0.00 0.00 15:12:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 176.65 202.52 837.77 38.13 0.00 0.00 0.00 0.00 15:13:01 lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 251.29 217.65 1332.90 37.35 0.00 0.00 0.00 0.00 Average: lo 0.82 0.82 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-2164) 12/09/23 _x86_64_ (4 CPU) 15:07:52 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 21.39 0.00 1.92 3.12 0.05 73.52 15:09:01 0 15.90 0.00 1.62 1.67 0.03 80.78 15:09:01 1 7.01 0.00 1.32 6.48 0.03 85.15 15:09:01 2 36.73 0.00 2.90 3.23 0.08 57.05 15:09:01 3 25.95 0.00 1.81 1.10 0.03 71.11 15:10:01 all 16.92 0.00 0.97 1.83 0.05 80.23 15:10:01 0 20.41 0.00 0.99 3.19 0.05 75.37 15:10:01 1 7.40 0.00 0.68 3.00 0.03 88.89 15:10:01 2 27.93 0.00 1.65 0.12 0.07 70.23 15:10:01 3 11.97 0.00 0.55 1.00 0.03 86.44 15:11:01 all 4.86 0.00 0.20 0.10 0.03 94.81 15:11:01 0 5.30 0.00 0.43 0.15 0.03 94.08 15:11:01 1 1.92 0.00 0.08 0.00 0.03 97.96 15:11:01 2 3.46 0.00 0.27 0.23 0.02 96.02 15:11:01 3 8.78 0.00 0.05 0.00 0.03 91.13 15:12:01 all 7.05 0.00 0.64 0.32 0.04 91.96 15:12:01 0 7.50 0.00 0.74 0.07 0.03 91.66 15:12:01 1 6.88 0.00 0.43 0.10 0.03 92.55 15:12:01 2 7.15 0.00 0.81 0.87 0.05 91.12 15:12:01 3 6.68 0.00 0.57 0.22 0.03 92.50 15:13:01 all 19.74 0.00 1.19 1.07 0.05 77.96 15:13:01 0 8.29 0.00 0.56 0.91 0.02 90.22 15:13:01 1 35.83 0.00 1.27 0.10 0.05 62.74 15:13:01 2 20.18 0.00 1.24 2.06 0.05 76.46 15:13:01 3 14.75 0.00 1.71 1.22 0.05 82.28 Average: all 13.97 0.00 0.98 1.29 0.04 83.72 Average: 0 11.48 0.00 0.87 1.20 0.03 86.42 Average: 1 11.73 0.00 0.76 1.94 0.04 85.54 Average: 2 19.09 0.00 1.37 1.30 0.05 78.18 Average: 3 13.61 0.00 0.93 0.71 0.04 84.71