---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2115 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 8.9G 11G 47% / 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 476 3910 0 3589 7200 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:5b:66:86 brd ff:ff:ff:ff:ff:ff inet 10.32.6.230/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86196sec preferred_lft 86196sec inet6 fe80::f816:3eff:fe5b:6686/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2115) 11/07/26 _x86_64_ (4 CPU) 08:12:54 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 163.38 55.71 107.66 3636.79 44192.62 08:15:01 157.40 42.24 115.16 2804.27 58074.78 08:16:01 47.33 4.68 42.64 176.77 5447.36 Average: 122.70 34.21 88.49 2206.05 35906.61 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 5817780 7443288 2349640 28.77 50504 1744356 657212 7.13 544652 1621536 222016 08:15:01 3717172 6946360 4450248 54.49 64884 3301608 1245036 13.51 1081456 3118080 13384 08:16:01 4034508 7401948 4132912 50.60 70516 3427488 655160 7.11 711108 3166728 28132 Average: 4523153 7263865 3644267 44.62 61968 2824484 852469 9.25 779072 2635448 87844 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 376.34 241.37 2153.94 67.71 0.00 0.00 0.00 0.00 08:14:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 08:15:01 ens3 1206.61 804.22 22857.09 102.73 0.00 0.00 0.00 0.00 08:15:01 lo 1.53 1.53 0.15 0.15 0.00 0.00 0.00 0.00 08:16:01 ens3 234.44 208.45 848.87 56.18 0.00 0.00 0.00 0.00 08:16:01 lo 1.80 1.80 0.23 0.23 0.00 0.00 0.00 0.00 Average: ens3 605.82 418.02 8620.40 75.54 0.00 0.00 0.00 0.00 Average: lo 1.42 1.42 0.15 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2115) 11/07/26 _x86_64_ (4 CPU) 08:12:54 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 21.60 0.00 2.12 4.86 0.07 71.36 08:14:01 0 19.02 0.00 1.39 1.79 0.05 77.76 08:14:01 1 8.36 0.00 1.30 10.46 0.03 79.85 08:14:01 2 26.27 0.00 2.14 3.46 0.08 68.05 08:14:01 3 32.80 0.00 3.68 3.68 0.12 59.73 08:15:01 all 29.62 0.00 2.36 3.03 0.09 64.89 08:15:01 0 39.61 0.00 1.75 1.07 0.10 57.47 08:15:01 1 25.83 0.00 1.65 5.53 0.08 66.91 08:15:01 2 24.91 0.00 1.19 1.46 0.08 72.35 08:15:01 3 28.12 0.00 4.84 4.08 0.08 62.88 08:16:01 all 28.95 0.00 1.49 0.89 0.07 68.59 08:16:01 0 21.17 0.00 0.97 0.20 0.03 77.63 08:16:01 1 15.04 0.00 1.05 1.24 0.07 82.61 08:16:01 2 38.93 0.00 1.89 0.37 0.10 58.71 08:16:01 3 40.75 0.00 2.04 1.75 0.08 55.37 Average: all 26.73 0.00 1.99 2.93 0.08 68.28 Average: 0 26.60 0.00 1.37 1.02 0.06 70.96 Average: 1 16.40 0.00 1.34 5.74 0.06 76.46 Average: 2 30.05 0.00 1.74 1.76 0.09 66.36 Average: 3 33.89 0.00 3.52 3.17 0.09 59.33