---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-11704 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 7.9G 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 460 5017 0 2498 7228 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:6a:a3:ea brd ff:ff:ff:ff:ff:ff inet 10.32.7.61/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:fe6a:a3ea/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-11704) 09/12/26 _x86_64_ (4 CPU) 05:31:33 LINUX RESTART (4 CPU) 05:32:01 tps rtps wtps bread/s bwrtn/s 05:33:02 83.54 10.85 72.69 254.22 10520.40 05:34:01 77.22 33.61 43.61 2220.20 12412.07 05:35:01 23.21 3.33 19.88 173.30 4147.31 Average: 61.23 15.83 45.40 875.03 9007.49 05:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:33:02 5693044 7468764 2474376 30.30 56988 1879868 812928 8.82 535772 1738492 236844 05:34:01 4588920 6639180 3578500 43.81 63988 2140292 1428888 15.50 1433156 1926332 95612 05:35:01 5145244 7406812 3022176 37.00 69332 2341180 683236 7.41 736716 2058768 211884 Average: 5142403 7171585 3025017 37.04 63436 2120447 975017 10.58 901881 1907864 181447 05:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:33:02 ens3 112.68 100.95 1523.27 15.63 0.00 0.00 0.00 0.00 05:33:02 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 05:34:01 ens3 176.92 179.41 3167.49 27.20 0.00 0.00 0.00 0.00 05:34:01 lo 1.42 1.42 0.13 0.13 0.00 0.00 0.00 0.00 05:35:01 ens3 97.67 95.17 1259.04 20.18 0.00 0.00 0.00 0.00 05:35:01 lo 118.56 118.56 36.32 36.32 0.00 0.00 0.00 0.00 Average: ens3 128.82 124.87 1976.59 20.97 0.00 0.00 0.00 0.00 Average: lo 40.53 40.53 12.25 12.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-11704) 09/12/26 _x86_64_ (4 CPU) 05:31:33 LINUX RESTART (4 CPU) 05:32:01 CPU %user %nice %system %iowait %steal %idle 05:33:02 all 19.82 0.00 1.31 2.48 0.05 76.34 05:33:02 0 36.63 0.00 2.01 1.14 0.08 60.15 05:33:02 1 4.10 0.00 0.40 2.05 0.02 93.43 05:33:02 2 30.25 0.00 1.89 6.42 0.07 61.37 05:33:02 3 8.29 0.00 0.99 0.33 0.03 90.35 05:34:01 all 28.14 0.00 1.17 1.61 0.07 69.00 05:34:01 0 26.30 0.00 1.20 0.31 0.08 72.11 05:34:01 1 25.90 0.00 0.54 0.10 0.05 73.40 05:34:01 2 32.77 0.00 1.26 3.68 0.07 62.22 05:34:01 3 27.60 0.00 1.65 2.35 0.09 68.31 05:35:01 all 30.17 0.00 1.15 0.63 0.08 67.96 05:35:01 0 23.39 0.00 0.65 0.10 0.07 75.79 05:35:01 1 26.19 0.00 1.57 0.05 0.08 72.11 05:35:01 2 24.45 0.00 1.05 2.15 0.07 72.28 05:35:01 3 46.70 0.00 1.35 0.25 0.10 51.60 Average: all 26.03 0.00 1.21 1.58 0.07 71.11 Average: 0 28.78 0.00 1.29 0.51 0.08 69.34 Average: 1 18.69 0.00 0.84 0.74 0.05 79.68 Average: 2 29.14 0.00 1.40 4.09 0.07 65.31 Average: 3 27.53 0.00 1.33 0.97 0.07 70.09