---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-746 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 400 1282 0 2261 3277 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:cc:96:ae brd ff:ff:ff:ff:ff:ff inet 10.32.7.42/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86190sec preferred_lft 86190sec inet6 fe80::f816:3eff:fecc:96ae/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-746) 11/25/23 _x86_64_ (4 CPU) 08:12:53 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:02 131.36 67.36 64.01 4547.51 41896.90 08:15:01 120.01 33.84 86.17 2162.07 15469.51 08:16:01 51.41 6.28 45.13 239.83 5999.93 Average: 100.82 35.84 64.98 2317.33 21153.69 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:02 1805672 3365436 2232972 55.29 48876 1667332 601960 11.83 553364 1507276 146504 08:15:01 1180992 3076444 2857652 70.76 62124 1976084 832392 16.36 874084 1783876 24920 08:16:01 1311420 3353256 2727224 67.53 68964 2111804 585344 11.51 676564 1842588 41232 Average: 1432695 3265045 2605949 64.53 59988 1918407 673232 13.23 701337 1711247 70885 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:02 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 08:14:02 ens3 313.56 213.46 1375.24 60.21 0.00 0.00 0.00 0.00 08:15:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 08:15:01 ens3 395.93 394.19 2337.17 78.73 0.00 0.00 0.00 0.00 08:16:01 lo 1.87 1.87 0.24 0.24 0.00 0.00 0.00 0.00 08:16:01 ens3 265.42 255.71 992.35 57.82 0.00 0.00 0.00 0.00 Average: lo 1.41 1.41 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 324.58 287.19 1563.96 65.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-746) 11/25/23 _x86_64_ (4 CPU) 08:12:53 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:02 all 20.97 0.00 2.00 3.99 0.05 72.99 08:14:02 0 21.73 0.00 1.82 0.99 0.03 75.43 08:14:02 1 18.65 0.00 1.60 1.69 0.07 77.99 08:14:02 2 9.50 0.00 1.70 9.23 0.03 79.54 08:14:02 3 34.02 0.00 2.91 4.10 0.07 58.91 08:15:01 all 29.10 0.00 1.61 2.04 0.07 67.18 08:15:01 0 27.20 0.00 1.24 0.88 0.05 70.63 08:15:01 1 42.63 0.00 2.22 1.30 0.09 53.78 08:15:01 2 18.41 0.00 1.57 5.15 0.09 74.78 08:15:01 3 28.18 0.00 1.41 0.82 0.05 69.55 08:16:01 all 27.22 0.00 1.40 1.02 0.06 70.30 08:16:01 0 34.38 0.00 1.59 0.07 0.05 63.91 08:16:01 1 27.11 0.00 1.32 0.42 0.05 71.10 08:16:01 2 28.90 0.00 1.36 3.38 0.05 66.31 08:16:01 3 18.50 0.00 1.30 0.23 0.08 79.88 Average: all 25.75 0.00 1.67 2.35 0.06 70.17 Average: 0 27.77 0.00 1.55 0.64 0.04 69.99 Average: 1 29.37 0.00 1.71 1.13 0.07 67.72 Average: 2 18.96 0.00 1.54 5.92 0.06 73.53 Average: 3 26.88 0.00 1.87 1.72 0.07 69.47