---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1894 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 8.8G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 1248 12132 0 2659 14470 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 1458 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:2d:c4:a4 brd ff:ff:ff:ff:ff:ff inet 10.30.107.74/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86082sec preferred_lft 86082sec inet6 fe80::f816:3eff:fe2d:c4a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1894) 12/02/23 _x86_64_ (4 CPU) 18:00:02 LINUX RESTART (4 CPU) 18:01:01 tps rtps wtps bread/s bwrtn/s 18:02:01 165.41 33.91 131.49 1801.97 36321.28 18:03:01 58.44 9.37 49.08 755.87 24194.37 18:04:01 20.40 2.58 17.81 66.79 13717.85 18:05:01 25.81 0.85 24.96 87.17 13097.37 Average: 67.51 11.68 55.83 677.93 21832.35 18:01:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:02:01 13144732 15172620 3280236 19.97 77556 2135932 1052848 6.03 1098408 1938480 145724 18:03:01 11233112 13296460 5191856 31.61 78508 2169156 2830300 16.20 3050988 1888940 2896 18:04:01 13021460 15443144 3403508 20.72 80000 2520012 779224 4.46 1167496 1979608 271996 18:05:01 12419880 14814556 4005088 24.38 84008 2489748 1421912 8.14 1783000 1965060 46440 Average: 12454796 14681695 3970172 24.17 80018 2328712 1521071 8.70 1774973 1943022 116764 18:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:02:01 ens3 415.33 307.85 4735.24 58.88 0.00 0.00 0.00 0.00 18:02:01 lo 0.80 0.80 0.09 0.09 0.00 0.00 0.00 0.00 18:03:01 ens3 356.97 192.32 178.77 83.02 0.00 0.00 0.00 0.00 18:03:01 lo 19.73 19.73 8.12 8.12 0.00 0.00 0.00 0.00 18:04:01 ens3 563.99 417.05 749.65 174.87 0.00 0.00 0.00 0.00 18:04:01 lo 48.78 48.78 22.96 22.96 0.00 0.00 0.00 0.00 18:05:01 ens3 94.17 51.45 87.17 215.56 0.00 0.00 0.00 0.00 18:05:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 357.60 242.16 1437.65 133.09 0.00 0.00 0.00 0.00 Average: lo 17.49 17.49 7.81 7.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1894) 12/02/23 _x86_64_ (4 CPU) 18:00:02 LINUX RESTART (4 CPU) 18:01:01 CPU %user %nice %system %iowait %steal %idle 18:02:01 all 30.29 0.00 1.86 4.65 0.08 63.12 18:02:01 0 40.50 0.00 3.03 2.70 0.12 53.65 18:02:01 1 36.21 0.00 1.25 0.75 0.07 61.72 18:02:01 2 26.25 0.00 1.76 4.63 0.08 67.27 18:02:01 3 18.21 0.00 1.37 10.54 0.07 69.81 18:03:01 all 76.15 0.00 1.53 2.00 0.14 20.18 18:03:01 0 72.74 0.00 1.60 0.07 0.13 25.45 18:03:01 1 79.53 0.00 0.99 0.12 0.13 19.23 18:03:01 2 68.15 0.00 2.40 5.87 0.13 23.44 18:03:01 3 84.17 0.00 1.14 1.98 0.15 12.56 18:04:01 all 57.87 0.00 1.89 0.66 0.12 39.45 18:04:01 0 54.21 0.00 1.92 2.26 0.12 41.50 18:04:01 1 59.39 0.00 2.11 0.00 0.13 38.37 18:04:01 2 54.37 0.00 2.29 0.37 0.12 42.85 18:04:01 3 63.52 0.00 1.25 0.00 0.12 35.11 18:05:01 all 27.97 0.00 0.91 0.99 0.06 70.08 18:05:01 0 30.84 0.00 0.55 1.03 0.07 67.51 18:05:01 1 21.06 0.00 0.80 0.12 0.05 77.97 18:05:01 2 19.89 0.00 0.74 2.69 0.07 76.62 18:05:01 3 40.10 0.00 1.56 0.08 0.07 58.19 Average: all 48.04 0.00 1.55 2.08 0.10 48.24 Average: 0 49.57 0.00 1.78 1.51 0.11 47.04 Average: 1 48.96 0.00 1.29 0.25 0.10 49.41 Average: 2 42.14 0.00 1.79 3.39 0.10 52.57 Average: 3 51.49 0.00 1.33 3.15 0.10 43.92