---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2125 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 429 1252 0 2262 3248 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:c4:3b:ba brd ff:ff:ff:ff:ff:ff inet 10.32.7.234/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86192sec preferred_lft 86192sec inet6 fe80::f816:3eff:fec4:3bba/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-2125) 12/09/23 _x86_64_ (4 CPU) 08:12:49 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 99.20 51.49 47.71 2656.89 6948.31 08:15:01 123.88 36.79 87.09 2224.56 15672.32 08:16:01 46.38 2.92 43.46 143.84 5914.61 Average: 89.82 30.40 59.42 1675.10 9511.75 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 1801532 3370592 2237112 55.39 49136 1675792 583916 11.48 550576 1514948 141732 08:15:01 815352 2721356 3223292 79.81 62540 1985820 1207632 23.74 1238352 1783184 15448 08:16:01 1307772 3351448 2730872 67.62 70112 2112180 579868 11.40 680660 1843400 48156 Average: 1308219 3147799 2730425 67.61 60596 1924597 790472 15.54 823196 1713844 68445 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 350.32 230.21 1383.29 62.45 0.00 0.00 0.00 0.00 08:14:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 08:15:01 ens3 359.01 383.45 2378.32 66.79 0.00 0.00 0.00 0.00 08:15:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 08:16:01 ens3 208.75 215.65 903.05 44.55 0.00 0.00 0.00 0.00 08:16:01 lo 1.93 1.93 0.24 0.24 0.00 0.00 0.00 0.00 Average: ens3 306.03 276.44 1554.89 57.93 0.00 0.00 0.00 0.00 Average: lo 1.47 1.47 0.16 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2125) 12/09/23 _x86_64_ (4 CPU) 08:12:49 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 22.02 0.00 1.72 2.52 0.05 73.70 08:14:01 0 8.15 0.00 1.14 6.16 0.03 84.53 08:14:01 1 19.45 0.00 1.90 1.50 0.03 77.12 08:14:01 2 34.81 0.00 1.99 1.84 0.08 61.27 08:14:01 3 25.75 0.00 1.86 0.55 0.05 71.78 08:15:01 all 32.96 0.00 1.69 1.84 0.08 63.44 08:15:01 0 26.49 0.00 1.42 2.37 0.07 69.66 08:15:01 1 34.48 0.00 1.78 0.55 0.07 63.12 08:15:01 2 38.73 0.00 1.72 2.74 0.08 56.73 08:15:01 3 32.14 0.00 1.85 1.68 0.07 64.27 08:16:01 all 23.62 0.00 1.26 1.01 0.05 74.06 08:16:01 0 14.83 0.00 1.10 0.05 0.03 83.99 08:16:01 1 28.77 0.00 0.97 0.25 0.07 69.95 08:16:01 2 36.66 0.00 1.75 2.07 0.07 59.44 08:16:01 3 14.26 0.00 1.20 1.67 0.05 82.81 Average: all 26.20 0.00 1.56 1.79 0.06 70.40 Average: 0 16.49 0.00 1.22 2.86 0.04 79.39 Average: 1 27.56 0.00 1.55 0.77 0.06 70.07 Average: 2 36.74 0.00 1.82 2.22 0.08 59.15 Average: 3 24.04 0.00 1.64 1.30 0.06 72.97