---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1051 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: 2800.022 BogoMIPS: 5600.04 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 7.6G 12G 40% / 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 424 1364 0 2155 3256 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:06:1c:45 brd ff:ff:ff:ff:ff:ff inet 10.32.7.145/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86198sec preferred_lft 86198sec inet6 fe80::f816:3eff:fe06:1c45/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1051) 12/16/23 _x86_64_ (4 CPU) 19:12:58 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 185.60 119.63 65.97 6357.87 42279.37 19:15:01 84.35 17.96 66.39 657.09 10366.81 19:16:01 54.47 0.97 53.51 61.46 10827.66 Average: 108.14 46.19 61.96 2358.81 21157.95 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 1837904 3391196 2200740 54.49 48444 1660256 574476 11.29 528092 1500704 140552 19:15:01 1314504 3132036 2724140 67.45 60944 1900616 795864 15.64 832684 1695056 142596 19:16:01 1379824 3317244 2658820 65.83 66600 2012424 622712 12.24 704036 1753584 31500 Average: 1510744 3280159 2527900 62.59 58663 1857765 664351 13.06 688271 1649781 104883 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 366.26 224.26 1398.64 62.00 0.00 0.00 0.00 0.00 19:14:01 lo 2.13 2.13 0.19 0.19 0.00 0.00 0.00 0.00 19:15:01 ens3 289.42 288.82 1734.54 52.66 0.00 0.00 0.00 0.00 19:15:01 lo 1.83 1.83 0.18 0.18 0.00 0.00 0.00 0.00 19:16:01 ens3 140.04 116.23 261.57 543.48 0.00 0.00 0.00 0.00 19:16:01 lo 1.80 1.80 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 265.24 209.77 1131.58 219.38 0.00 0.00 0.00 0.00 Average: lo 1.92 1.92 0.18 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1051) 12/16/23 _x86_64_ (4 CPU) 19:12:58 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 20.59 0.00 2.37 6.09 0.05 70.90 19:14:01 0 9.11 0.00 2.60 5.15 0.03 83.11 19:14:01 1 21.60 0.00 2.17 3.24 0.05 72.94 19:14:01 2 20.87 0.00 2.62 12.21 0.07 64.23 19:14:01 3 30.88 0.00 2.09 3.81 0.05 63.17 19:15:01 all 31.95 0.00 1.56 1.68 0.06 64.75 19:15:01 0 24.31 0.00 0.78 0.38 0.05 74.48 19:15:01 1 22.97 0.00 1.67 1.37 0.07 73.93 19:15:01 2 45.80 0.00 1.93 4.71 0.08 47.48 19:15:01 3 34.83 0.00 1.86 0.25 0.07 62.99 19:16:01 all 19.30 0.00 1.05 1.40 0.04 78.20 19:16:01 0 6.93 0.00 0.97 1.94 0.02 90.15 19:16:01 1 6.48 0.00 0.48 0.08 0.03 92.92 19:16:01 2 20.05 0.00 1.35 3.43 0.03 75.14 19:16:01 3 43.75 0.00 1.40 0.18 0.07 54.59 Average: all 23.95 0.00 1.66 3.06 0.05 71.28 Average: 0 13.46 0.00 1.45 2.49 0.03 82.56 Average: 1 17.02 0.00 1.44 1.56 0.05 79.93 Average: 2 28.91 0.00 1.97 6.78 0.06 62.29 Average: 3 36.49 0.00 1.78 1.42 0.06 60.25