---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1654 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 7.7G 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 488 5131 0 2355 7203 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:15:57:c8 brd ff:ff:ff:ff:ff:ff inet 10.32.6.197/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86199sec preferred_lft 86199sec inet6 fe80::f816:3eff:fe15:57c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1654) 11/01/26 _x86_64_ (4 CPU) 07:04:51 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 136.18 54.82 81.35 3587.00 8641.24 07:07:01 114.16 44.99 69.17 2837.79 14327.35 07:08:01 35.93 1.97 33.96 111.98 9469.76 Average: 95.42 33.93 61.50 2178.93 10812.78 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5814572 7427124 2352840 28.81 50480 1731800 690668 7.49 559308 1609228 214580 07:07:01 5268460 7379896 2898952 35.49 66816 2197660 692884 7.52 752956 1927740 242572 07:08:01 5247212 7369616 2920200 35.75 69828 2204836 690404 7.49 790832 1909844 10604 Average: 5443415 7392212 2723997 33.35 62375 2044765 691319 7.50 701032 1815604 155919 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 07:06:01 ens3 385.49 245.89 2077.62 67.39 0.00 0.00 0.00 0.00 07:07:01 lo 1.90 1.90 0.19 0.19 0.00 0.00 0.00 0.00 07:07:01 ens3 187.25 173.90 2372.23 36.30 0.00 0.00 0.00 0.00 07:08:01 lo 1.67 1.67 0.15 0.15 0.00 0.00 0.00 0.00 07:08:01 ens3 69.46 72.75 33.07 664.54 0.00 0.00 0.00 0.00 Average: lo 1.50 1.50 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 214.06 164.18 1494.31 256.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1654) 11/01/26 _x86_64_ (4 CPU) 07:04:51 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.02 0.00 1.74 3.95 0.07 73.22 07:06:01 0 5.94 0.00 0.90 9.81 0.05 83.30 07:06:01 1 14.93 0.00 0.96 1.41 0.03 82.67 07:06:01 2 44.23 0.00 3.08 1.49 0.10 51.10 07:06:01 3 19.01 0.00 2.00 3.09 0.05 75.84 07:07:01 all 35.22 0.00 1.88 1.81 0.10 60.99 07:07:01 0 26.52 0.00 1.55 3.74 0.07 68.12 07:07:01 1 28.53 0.00 0.95 0.17 0.08 70.27 07:07:01 2 42.79 0.00 1.91 1.14 0.12 54.04 07:07:01 3 43.04 0.00 3.12 2.19 0.13 51.52 07:08:01 all 20.69 0.00 1.08 0.92 0.06 77.25 07:08:01 0 2.52 0.00 0.60 2.49 0.02 94.38 07:08:01 1 21.18 0.00 0.82 0.07 0.07 77.87 07:08:01 2 18.39 0.00 1.22 0.07 0.07 80.26 07:08:01 3 40.68 0.00 1.69 1.05 0.10 56.48 Average: all 25.64 0.00 1.57 2.23 0.08 70.49 Average: 0 11.65 0.00 1.02 5.35 0.04 81.94 Average: 1 21.55 0.00 0.91 0.55 0.06 76.94 Average: 2 35.13 0.00 2.07 0.90 0.09 61.80 Average: 3 34.24 0.00 2.27 2.11 0.09 61.28