---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1751 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 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 480 5171 0 2324 7211 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:7d:6a:05 brd ff:ff:ff:ff:ff:ff inet 10.32.6.88/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86190sec preferred_lft 86190sec inet6 fe80::f816:3eff:fe7d:6a05/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1751) 11/02/26 _x86_64_ (4 CPU) 12:46:51 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 135.44 51.88 83.56 3503.77 9137.50 12:49:01 140.67 46.01 94.66 2840.74 16065.62 12:50:01 37.23 2.18 35.04 117.58 6305.62 Average: 104.24 33.29 70.96 2150.27 10471.77 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 5832092 7444732 2335328 28.59 50432 1731724 656948 7.13 544304 1608224 199352 12:49:01 5243144 7195128 2924276 35.80 65676 2041020 895376 9.72 871756 1837296 13800 12:50:01 5293184 7383284 2874236 35.19 69996 2172832 685808 7.44 770216 1886356 10592 Average: 5456140 7341048 2711280 33.20 62035 1981859 746044 8.10 728759 1777292 74581 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 ens3 397.15 254.27 2076.56 68.62 0.00 0.00 0.00 0.00 12:48:02 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 12:49:01 ens3 299.29 323.76 1800.72 71.73 0.00 0.00 0.00 0.00 12:49:01 lo 1.73 1.73 0.17 0.17 0.00 0.00 0.00 0.00 12:50:01 ens3 110.06 118.70 309.21 620.44 0.00 0.00 0.00 0.00 12:50:01 lo 1.60 1.60 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 268.67 231.73 1393.27 254.60 0.00 0.00 0.00 0.00 Average: lo 1.42 1.42 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-1751) 11/02/26 _x86_64_ (4 CPU) 12:46:51 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 22.33 0.00 1.83 3.83 0.06 71.95 12:48:02 0 35.13 0.00 2.50 2.20 0.08 60.09 12:48:02 1 15.40 0.00 1.47 6.81 0.07 76.25 12:48:02 2 15.79 0.00 2.00 4.22 0.07 77.92 12:48:02 3 22.94 0.00 1.35 2.07 0.07 73.56 12:49:01 all 37.20 0.00 2.17 2.73 0.11 57.80 12:49:01 0 26.68 0.00 1.61 2.99 0.08 68.63 12:49:01 1 38.89 0.00 1.83 2.59 0.10 56.58 12:49:01 2 38.64 0.00 1.87 3.78 0.10 55.61 12:49:01 3 44.61 0.00 3.36 1.59 0.12 50.32 12:50:01 all 21.61 0.00 1.25 0.89 0.05 76.20 12:50:01 0 9.44 0.00 0.79 0.13 0.02 89.62 12:50:01 1 27.25 0.00 1.55 0.05 0.05 71.10 12:50:01 2 20.33 0.00 0.97 2.60 0.05 76.05 12:50:01 3 29.55 0.00 1.65 0.75 0.08 67.96 Average: all 26.98 0.00 1.75 2.48 0.07 68.72 Average: 0 23.70 0.00 1.63 1.76 0.06 72.84 Average: 1 27.13 0.00 1.62 3.15 0.07 68.03 Average: 2 24.83 0.00 1.61 3.53 0.07 69.95 Average: 3 32.29 0.00 2.12 1.47 0.09 64.04