---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7714 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.7G 12G 41% / 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 473 5155 0 2346 7218 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:ab:ee:a1 brd ff:ff:ff:ff:ff:ff inet 10.32.6.125/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:feab:eea1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7714) 08/07/26 _x86_64_ (4 CPU) 07:04:58 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 176.17 91.33 84.84 5096.35 41002.65 07:07:01 58.96 0.32 58.64 35.06 10217.10 07:08:01 80.79 38.26 42.53 2243.63 9511.61 07:09:01 27.99 1.92 26.07 105.96 8218.99 Average: 85.97 32.96 53.02 1870.18 17237.21 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5997804 7425996 2169608 26.56 36880 1571376 690044 7.49 573932 1433528 86104 07:07:01 5769180 7493656 2398232 29.36 57444 1828836 623616 6.77 507856 1690356 157220 07:08:01 5293672 7395632 2873740 35.19 66400 2189132 685528 7.44 749728 1908052 216304 07:09:01 5287764 7407944 2879648 35.26 68376 2204556 677144 7.35 752632 1907572 17376 Average: 5587105 7430807 2580307 31.59 57275 1948475 669083 7.26 646037 1734877 119251 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 422.55 230.01 1534.00 66.57 0.00 0.00 0.00 0.00 07:06:01 lo 2.00 2.00 0.18 0.18 0.00 0.00 0.00 0.00 07:07:01 ens3 33.84 30.79 536.83 4.45 0.00 0.00 0.00 0.00 07:07:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 07:08:01 ens3 167.74 145.13 2225.96 31.65 0.00 0.00 0.00 0.00 07:08:01 lo 1.70 1.70 0.17 0.17 0.00 0.00 0.00 0.00 07:09:01 ens3 61.93 62.01 30.23 671.60 0.00 0.00 0.00 0.00 07:09:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 171.51 116.98 1081.71 193.59 0.00 0.00 0.00 0.00 Average: lo 1.39 1.39 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7714) 08/07/26 _x86_64_ (4 CPU) 07:04:58 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.06 0.00 2.65 5.87 1.69 67.73 07:06:01 0 11.49 0.00 1.12 7.06 1.17 79.16 07:06:01 1 25.63 0.00 4.79 4.04 1.79 63.75 07:06:01 2 24.89 0.00 1.93 3.44 1.76 67.98 07:06:01 3 26.19 0.00 2.77 8.93 2.04 60.07 07:07:01 all 20.28 0.00 1.26 1.80 0.74 75.92 07:07:01 0 10.54 0.00 0.82 1.50 0.42 86.73 07:07:01 1 41.56 0.00 2.80 0.33 1.18 54.13 07:07:01 2 5.96 0.00 0.88 4.98 0.62 87.56 07:07:01 3 23.07 0.00 0.57 0.38 0.77 75.22 07:08:01 all 38.58 0.00 1.95 1.80 3.11 54.55 07:08:01 0 32.16 0.00 1.99 1.83 2.87 61.14 07:08:01 1 51.97 0.00 1.40 1.42 3.30 41.91 07:08:01 2 28.26 0.00 1.98 3.19 3.19 63.38 07:08:01 3 42.01 0.00 2.43 0.73 3.06 51.76 07:09:01 all 20.60 0.00 1.08 0.90 0.74 76.68 07:09:01 0 34.12 0.00 1.73 2.28 0.97 60.90 07:09:01 1 15.28 0.00 0.82 0.05 0.58 83.28 07:09:01 2 10.56 0.00 0.88 1.14 0.56 86.86 07:09:01 3 22.54 0.00 0.87 0.17 0.87 75.55 Average: all 25.38 0.00 1.74 2.59 1.57 68.72 Average: 0 22.08 0.00 1.42 3.17 1.36 71.98 Average: 1 33.61 0.00 2.45 1.46 1.71 60.77 Average: 2 17.41 0.00 1.42 3.18 1.53 76.45 Average: 3 28.46 0.00 1.66 2.56 1.69 65.64