---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4974 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 8.4G 11G 44% / 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 467 4483 0 3025 7215 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:89:d1:5b brd ff:ff:ff:ff:ff:ff inet 10.32.6.40/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe89:d15b/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-4974) 07/04/26 _x86_64_ (4 CPU) 10:41:54 LINUX RESTART (4 CPU) 10:42:01 tps rtps wtps bread/s bwrtn/s 10:43:01 142.65 54.85 87.80 3607.46 40817.34 10:44:01 83.69 29.65 54.04 1641.73 9646.66 10:45:01 91.25 8.62 82.64 491.25 36239.03 10:46:01 25.93 0.68 25.25 77.72 3910.55 Average: 85.88 23.45 62.43 1454.63 22654.15 10:42:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:43:01 5950556 7403936 2216856 27.14 38880 1593348 709396 7.70 606940 1444104 112264 10:44:01 5516420 7286976 2650992 32.46 58768 1872840 845212 9.17 751924 1697640 156452 10:45:01 4604416 7392016 3562996 43.62 65316 2866832 688772 7.47 703476 2625416 86616 10:46:01 4563904 7359732 3603508 44.12 67880 2872100 700500 7.60 742532 2625556 10048 Average: 5158824 7360665 3008588 36.84 57711 2301280 735970 7.99 701218 2098179 91345 10:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:43:01 ens3 436.84 237.80 1486.66 65.55 0.00 0.00 0.00 0.00 10:43:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 10:44:01 ens3 87.55 70.89 544.34 17.61 0.00 0.00 0.00 0.00 10:44:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 10:45:01 ens3 711.58 547.74 15166.69 73.34 0.00 0.00 0.00 0.00 10:45:01 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 10:46:01 ens3 13.78 14.23 11.32 12.21 0.00 0.00 0.00 0.00 10:46:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 312.44 217.67 4302.13 42.18 0.00 0.00 0.00 0.00 Average: lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4974) 07/04/26 _x86_64_ (4 CPU) 10:41:54 LINUX RESTART (4 CPU) 10:42:01 CPU %user %nice %system %iowait %steal %idle 10:43:01 all 21.72 0.00 2.76 4.67 1.27 69.58 10:43:01 0 30.83 0.00 4.35 5.42 1.29 58.11 10:43:01 1 33.48 0.00 2.18 2.30 1.35 60.68 10:43:01 2 10.46 0.00 2.97 10.11 1.28 75.18 10:43:01 3 12.13 0.00 1.53 0.83 1.17 84.34 10:44:01 all 24.13 0.00 1.39 2.24 1.12 71.13 10:44:01 0 9.69 0.00 0.79 0.77 0.62 88.14 10:44:01 1 49.93 0.00 2.10 0.97 1.45 45.55 10:44:01 2 20.62 0.00 1.72 6.10 1.05 70.51 10:44:01 3 16.21 0.00 0.97 1.10 1.33 80.39 10:45:01 all 34.54 0.00 2.39 1.49 2.28 59.30 10:45:01 0 28.11 0.00 3.21 1.49 2.09 65.11 10:45:01 1 28.70 0.00 2.71 1.83 2.01 64.74 10:45:01 2 30.98 0.00 1.51 1.69 2.02 63.80 10:45:01 3 50.40 0.00 2.19 0.95 3.02 43.43 10:46:01 all 20.84 0.00 0.94 0.99 0.71 76.52 10:46:01 0 12.08 0.00 1.19 2.72 0.40 83.61 10:46:01 1 34.38 0.00 1.07 0.22 0.88 63.46 10:46:01 2 0.40 0.00 0.42 0.75 0.45 97.99 10:46:01 3 36.62 0.00 1.07 0.27 1.12 60.93 Average: all 25.31 0.00 1.87 2.34 1.35 69.13 Average: 0 20.16 0.00 2.38 2.60 1.10 73.76 Average: 1 36.62 0.00 2.02 1.33 1.42 58.61 Average: 2 15.62 0.00 1.65 4.65 1.20 76.88 Average: 3 28.83 0.00 1.44 0.79 1.66 67.29