---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1518 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 7.6G 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 431 1356 0 2156 3249 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:80:d5:42 brd ff:ff:ff:ff:ff:ff inet 10.32.7.76/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86199sec preferred_lft 86199sec inet6 fe80::f816:3eff:fe80:d542/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1518) 12/20/23 _x86_64_ (4 CPU) 19:12:59 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 190.02 121.16 68.86 6373.74 42258.04 19:15:01 84.97 18.93 66.04 677.62 10391.87 19:16:01 54.37 0.97 53.41 61.46 10885.65 Average: 109.79 47.02 62.77 2370.94 21178.52 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 1846348 3399856 2192296 54.28 48460 1660276 564420 11.09 515904 1501124 140508 19:15:01 1302656 3121704 2735988 67.75 61080 1901568 795180 15.63 841576 1695524 142984 19:16:01 1451696 3389964 2586948 64.05 66604 2012940 545684 10.73 631428 1752772 31496 Average: 1533567 3303841 2505077 62.03 58715 1858261 635095 12.48 662969 1649807 104996 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 360.02 233.76 1399.01 62.78 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 278.42 285.59 1735.43 54.58 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 101.42 105.52 254.60 537.00 0.00 0.00 0.00 0.00 19:16:01 lo 1.93 1.93 0.17 0.17 0.00 0.00 0.00 0.00 Average: ens3 246.62 208.29 1129.68 218.12 0.00 0.00 0.00 0.00 Average: lo 1.97 1.97 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-1518) 12/20/23 _x86_64_ (4 CPU) 19:12:59 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 20.33 0.00 2.63 6.27 0.06 70.71 19:14:01 0 12.26 0.00 1.79 8.98 0.03 76.94 19:14:01 1 21.85 0.00 2.41 5.12 0.07 70.55 19:14:01 2 19.70 0.00 2.35 6.97 0.03 70.94 19:14:01 3 27.54 0.00 3.96 4.00 0.10 64.39 19:15:01 all 32.08 0.00 1.57 1.56 0.08 64.71 19:15:01 0 37.89 0.00 2.03 3.92 0.10 56.06 19:15:01 1 34.33 0.00 1.64 1.62 0.08 62.32 19:15:01 2 31.39 0.00 1.48 0.18 0.07 66.87 19:15:01 3 24.74 0.00 1.12 0.50 0.05 73.59 19:16:01 all 19.87 0.00 0.98 1.33 0.04 77.78 19:16:01 0 5.82 0.00 0.78 3.61 0.02 89.78 19:16:01 1 32.38 0.00 1.14 0.07 0.05 66.37 19:16:01 2 35.87 0.00 1.25 0.88 0.07 61.93 19:16:01 3 5.56 0.00 0.75 0.73 0.05 92.90 Average: all 24.09 0.00 1.72 3.05 0.06 71.08 Average: 0 18.59 0.00 1.53 5.50 0.05 74.33 Average: 1 29.52 0.00 1.73 2.27 0.07 66.42 Average: 2 28.99 0.00 1.70 2.68 0.06 66.58 Average: 3 19.26 0.00 1.94 1.74 0.07 76.99