---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4697 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 416 1321 0 2206 3264 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:b1:1b:9b brd ff:ff:ff:ff:ff:ff inet 10.32.6.95/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86193sec preferred_lft 86193sec inet6 fe80::f816:3eff:feb1:1b9b/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-4697) 03/16/24 _x86_64_ (4 CPU) 08:12:52 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 122.16 67.31 54.86 4545.91 32120.78 08:15:01 111.55 32.98 78.57 2068.06 12609.10 08:16:01 54.81 6.67 48.14 299.95 6397.07 Average: 96.17 35.65 60.52 2304.64 17042.32 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 1827112 3389340 2211540 54.76 48156 1670456 586680 11.53 528960 1510312 152080 08:15:01 1267464 3114900 2771188 68.62 61364 1930516 837512 16.46 835656 1739352 39112 08:16:01 1352628 3340424 2686024 66.51 66760 2061784 607040 11.93 689020 1794080 24116 Average: 1482401 3281555 2556251 63.29 58760 1887585 677077 13.31 684545 1681248 71769 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 08:14:01 ens3 357.91 225.18 1339.41 62.04 0.00 0.00 0.00 0.00 08:15:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 08:15:01 ens3 455.92 426.73 2123.16 86.83 0.00 0.00 0.00 0.00 08:16:01 lo 1.85 1.85 0.24 0.24 0.00 0.00 0.00 0.00 08:16:01 ens3 287.44 285.42 971.10 61.53 0.00 0.00 0.00 0.00 Average: lo 1.44 1.44 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 367.09 312.44 1477.89 70.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4697) 03/16/24 _x86_64_ (4 CPU) 08:12:52 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 22.84 0.00 1.88 3.26 0.09 71.93 08:14:01 0 12.01 0.00 1.48 1.93 0.07 84.52 08:14:01 1 19.90 0.00 1.57 6.14 0.07 72.33 08:14:01 2 36.15 0.00 2.86 2.04 0.13 58.82 08:14:01 3 23.27 0.00 1.64 2.92 0.07 72.11 08:15:01 all 31.09 0.00 1.55 1.96 0.11 65.30 08:15:01 0 27.45 0.00 1.10 0.65 0.08 70.71 08:15:01 1 15.02 0.00 0.63 3.07 0.07 81.21 08:15:01 2 48.62 0.00 2.96 2.59 0.15 45.68 08:15:01 3 33.31 0.00 1.52 1.50 0.13 63.54 08:16:01 all 31.64 0.00 1.39 0.94 0.10 65.92 08:16:01 0 20.88 0.00 0.98 0.92 0.08 77.13 08:16:01 1 40.86 0.00 1.28 2.50 0.12 55.24 08:16:01 2 31.75 0.00 2.06 0.15 0.15 65.89 08:16:01 3 33.07 0.00 1.21 0.20 0.10 65.42 Average: all 28.52 0.00 1.61 2.05 0.10 67.71 Average: 0 20.12 0.00 1.19 1.16 0.08 77.45 Average: 1 25.26 0.00 1.16 3.91 0.08 69.59 Average: 2 38.84 0.00 2.62 1.59 0.14 56.80 Average: 3 29.88 0.00 1.45 1.54 0.10 67.02