---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2514 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: 2799.998 BogoMIPS: 5599.99 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 458 5365 0 2151 7238 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:b4:76:51 brd ff:ff:ff:ff:ff:ff inet 10.32.6.95/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:feb4:7651/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2514) 01/05/26 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 99.45 32.41 67.04 1068.89 5560.29 07:07:01 85.85 29.99 55.86 1686.24 8836.12 07:08:01 57.37 9.23 48.14 512.71 9991.00 07:09:01 27.10 0.35 26.75 33.73 1811.70 Average: 67.44 18.00 49.45 825.43 6549.87 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5912676 7385492 2254736 27.61 39936 1610452 740616 8.04 627404 1457644 104728 07:07:01 5553860 7264780 2613552 32.00 59260 1814540 860236 9.33 757104 1656416 97076 07:08:01 5507620 7419332 2659792 32.57 63776 2007016 681440 7.39 716024 1736648 27300 07:09:01 5502832 7418172 2664580 32.62 65752 2008212 685736 7.44 720336 1735380 1004 Average: 5619247 7371944 2548165 31.20 57181 1860055 742007 8.05 705217 1646522 57527 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:01 ens3 436.13 242.64 1445.16 66.54 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 123.41 102.00 496.64 24.68 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.12 0.12 0.00 0.00 0.00 0.00 07:08:01 ens3 218.08 241.23 1197.73 624.79 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 07:09:01 ens3 11.80 12.35 9.25 5.98 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 197.35 149.55 787.18 180.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2514) 01/05/26 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 23.58 0.00 1.71 2.84 1.00 70.87 07:06:01 0 11.08 0.00 1.13 4.97 0.60 82.22 07:06:01 1 61.83 0.00 3.10 0.92 1.85 32.29 07:06:01 2 10.22 0.00 1.49 4.31 0.73 83.26 07:06:01 3 11.24 0.00 1.10 1.17 0.78 85.70 07:07:01 all 27.23 0.00 1.70 1.77 1.32 67.99 07:07:01 0 15.62 0.00 0.98 1.63 0.87 80.90 07:07:01 1 62.02 0.00 3.26 0.68 2.33 31.70 07:07:01 2 17.13 0.00 1.47 3.67 0.97 76.77 07:07:01 3 14.18 0.00 1.09 1.09 1.11 82.52 07:08:01 all 35.03 0.00 1.96 1.00 1.94 60.07 07:08:01 0 55.56 0.00 2.68 1.35 2.49 37.93 07:08:01 1 29.09 0.00 1.55 1.60 1.40 66.37 07:08:01 2 34.65 0.00 2.23 0.78 2.29 60.06 07:08:01 3 20.83 0.00 1.39 0.28 1.59 75.90 07:09:01 all 21.22 0.00 0.90 0.75 0.77 76.36 07:09:01 0 0.53 0.00 0.38 2.66 0.33 96.09 07:09:01 1 9.99 0.00 0.96 0.02 0.56 88.47 07:09:01 2 68.88 0.00 1.67 0.32 1.77 27.37 07:09:01 3 5.64 0.00 0.58 0.00 0.47 93.32 Average: all 26.77 0.00 1.57 1.59 1.26 68.82 Average: 0 20.71 0.00 1.29 2.65 1.07 74.27 Average: 1 40.70 0.00 2.22 0.80 1.54 54.74 Average: 2 32.72 0.00 1.71 2.27 1.44 61.86 Average: 3 12.98 0.00 1.04 0.64 0.99 84.35