---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8343 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 7.6G 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 461 5339 0 2174 7234 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:2b:96:de brd ff:ff:ff:ff:ff:ff inet 10.32.7.239/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:fe2b:96de/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-8343) 03/07/26 _x86_64_ (4 CPU) 14:54:52 LINUX RESTART (4 CPU) 14:55:01 tps rtps wtps bread/s bwrtn/s 14:56:02 134.04 54.66 79.39 3584.07 40649.11 14:57:01 83.87 30.54 53.33 1730.15 9185.16 14:58:01 71.61 8.88 62.73 511.30 7658.51 14:59:01 29.18 2.73 26.45 120.78 4992.90 Average: 79.66 24.17 55.48 1485.51 15648.01 14:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:56:02 5966764 7390932 2200656 26.94 37248 1566972 737836 8.01 613652 1425292 84568 14:57:01 5625972 7321248 2541448 31.12 56740 1803256 840636 9.12 700824 1647460 107980 14:58:01 5520944 7445976 2646476 32.40 64836 2018176 649308 7.05 692748 1746780 114260 14:59:01 5431664 7370940 2735756 33.50 67192 2029400 718292 7.79 776004 1751692 9032 Average: 5636336 7382274 2531084 30.99 56504 1854451 736518 7.99 695807 1642806 78960 14:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:56:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 14:56:02 ens3 402.82 231.94 1468.07 66.85 0.00 0.00 0.00 0.00 14:57:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 14:57:01 ens3 57.79 44.16 427.69 13.88 0.00 0.00 0.00 0.00 14:58:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 14:58:01 ens3 314.68 364.63 1569.11 58.68 0.00 0.00 0.00 0.00 14:59:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 14:59:01 ens3 60.22 66.51 28.16 602.21 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 209.51 177.37 875.15 186.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8343) 03/07/26 _x86_64_ (4 CPU) 14:54:52 LINUX RESTART (4 CPU) 14:55:01 CPU %user %nice %system %iowait %steal %idle 14:56:02 all 22.36 0.00 2.20 4.45 1.02 69.97 14:56:02 0 6.81 0.00 1.67 3.29 0.52 87.71 14:56:02 1 15.09 0.00 1.44 2.06 0.89 80.53 14:56:02 2 46.06 0.00 3.21 4.40 1.56 44.77 14:56:02 3 21.48 0.00 2.52 8.02 1.12 66.86 14:57:01 all 24.00 0.00 1.70 2.20 1.13 70.97 14:57:01 0 4.91 0.00 0.59 1.15 0.42 92.92 14:57:01 1 24.84 0.00 1.75 5.72 1.20 66.49 14:57:01 2 49.02 0.00 3.27 0.53 1.76 45.42 14:57:01 3 17.26 0.00 1.18 1.40 1.12 79.04 14:58:01 all 47.29 0.00 2.72 1.01 3.19 45.80 14:58:01 0 41.78 0.00 2.87 1.44 3.12 50.80 14:58:01 1 51.06 0.00 2.17 0.83 2.85 43.10 14:58:01 2 53.44 0.00 3.74 1.40 3.17 38.25 14:58:01 3 42.94 0.00 2.08 0.40 3.62 50.96 14:59:01 all 20.59 0.00 0.90 1.05 1.19 76.26 14:59:01 0 12.86 0.00 0.73 1.06 1.45 83.90 14:59:01 1 34.32 0.00 1.28 1.98 1.25 61.16 14:59:01 2 16.56 0.00 1.00 1.03 1.08 80.34 14:59:01 3 18.69 0.00 0.61 0.13 0.98 79.58 Average: all 28.59 0.00 1.88 2.17 1.63 65.72 Average: 0 16.67 0.00 1.47 1.74 1.39 78.74 Average: 1 31.37 0.00 1.66 2.63 1.55 62.79 Average: 2 41.20 0.00 2.80 1.84 1.89 52.26 Average: 3 25.16 0.00 1.60 2.48 1.71 69.04