---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10177 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 472 5165 0 2337 7220 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:bd:9d:7a brd ff:ff:ff:ff:ff:ff inet 10.32.6.223/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86097sec preferred_lft 86097sec inet6 fe80::f816:3eff:febd:9d7a/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-10177) 09/07/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 99.13 29.12 70.01 956.88 5600.42 07:07:01 57.18 9.00 48.18 229.79 9441.38 07:08:01 68.17 29.56 38.61 2032.86 8434.86 07:09:01 29.29 1.88 27.41 108.23 8173.54 Average: 63.47 17.43 46.04 834.43 7906.07 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5910424 7401164 2256996 27.63 40728 1626824 724028 7.86 614316 1472428 117780 07:07:01 5692748 7472256 2474672 30.30 57704 1882916 613968 6.66 535192 1736752 193504 07:08:01 5319220 7408976 2848200 34.87 65972 2177192 677168 7.35 733688 1896076 211228 07:09:01 5282048 7386596 2885372 35.33 68064 2189628 681948 7.40 766764 1900780 10096 Average: 5551110 7417248 2616310 32.03 58117 1969140 674278 7.32 662490 1751509 133152 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:02 ens3 264.85 162.91 1269.86 54.69 0.00 0.00 0.00 0.00 07:07:01 lo 0.88 0.88 0.08 0.08 0.00 0.00 0.00 0.00 07:07:01 ens3 68.38 56.33 850.53 12.14 0.00 0.00 0.00 0.00 07:08:01 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 07:08:01 ens3 119.10 113.10 1856.61 23.26 0.00 0.00 0.00 0.00 07:09:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 07:09:01 ens3 54.22 63.80 26.02 668.48 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 126.88 99.21 1001.36 190.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10177) 09/07/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 21.79 0.00 1.53 3.13 0.94 72.61 07:06:02 0 18.20 0.00 0.98 0.15 0.62 80.05 07:06:02 1 29.24 0.00 1.58 3.59 1.08 64.50 07:06:02 2 33.77 0.00 2.19 2.04 1.30 60.70 07:06:02 3 5.96 0.00 1.37 6.73 0.75 85.20 07:07:01 all 21.10 0.00 1.50 1.46 0.79 75.14 07:07:01 0 12.99 0.00 0.63 0.39 0.41 85.59 07:07:01 1 35.52 0.00 2.74 0.15 1.07 60.51 07:07:01 2 24.78 0.00 1.29 0.47 1.10 72.35 07:07:01 3 11.07 0.00 1.32 4.85 0.61 82.15 07:08:01 all 39.29 0.00 2.20 1.72 3.14 53.66 07:08:01 0 35.84 0.00 2.22 1.26 3.13 57.54 07:08:01 1 42.28 0.00 2.20 1.84 3.16 50.52 07:08:01 2 44.15 0.00 2.79 1.03 3.44 48.59 07:08:01 3 34.87 0.00 1.59 2.75 2.80 57.98 07:09:01 all 20.04 0.00 1.02 0.93 0.82 77.18 07:09:01 0 20.53 0.00 0.90 0.12 0.65 77.81 07:09:01 1 4.49 0.00 0.55 0.38 0.38 94.19 07:09:01 2 32.70 0.00 1.53 1.66 1.54 62.57 07:09:01 3 22.42 0.00 1.12 1.57 0.72 74.18 Average: all 25.59 0.00 1.56 1.81 1.43 69.60 Average: 0 21.94 0.00 1.19 0.48 1.21 75.18 Average: 1 27.87 0.00 1.77 1.49 1.43 67.44 Average: 2 33.91 0.00 1.95 1.30 1.85 60.99 Average: 3 18.63 0.00 1.35 3.97 1.23 74.82