---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2450 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 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 459 5365 0 2150 7238 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:c1:43:cb brd ff:ff:ff:ff:ff:ff inet 10.32.6.173/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fec1:43cb/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-2450) 01/04/26 _x86_64_ (4 CPU) 07:04:55 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 145.27 65.35 79.92 4271.20 40636.68 07:07:01 87.12 30.52 56.60 1729.61 9773.53 07:08:01 64.87 9.23 55.64 510.31 7042.03 07:09:01 23.01 0.38 22.63 37.59 4774.94 Average: 80.04 26.35 53.68 1636.68 15579.94 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5992772 7414464 2174640 26.63 36960 1564360 720996 7.82 584692 1425388 87232 07:07:01 5618584 7321364 2548828 31.21 57324 1809220 835888 9.07 697116 1653960 103924 07:08:01 5565160 7477772 2602252 31.86 63212 2007832 614080 6.66 652680 1741432 128064 07:09:01 5482592 7399008 2684820 32.87 65216 2009628 695228 7.54 737680 1738516 12116 Average: 5664777 7403152 2502635 30.64 55678 1847760 716548 7.78 668042 1639824 82834 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 07:06:02 ens3 412.48 242.77 1430.25 66.87 0.00 0.00 0.00 0.00 07:07:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 88.17 54.48 481.16 16.00 0.00 0.00 0.00 0.00 07:08:01 lo 1.43 1.43 0.13 0.13 0.00 0.00 0.00 0.00 07:08:01 ens3 279.97 307.63 1261.57 635.91 0.00 0.00 0.00 0.00 07:09:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:09:01 ens3 12.33 12.36 9.87 6.29 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 198.69 154.73 797.00 181.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2450) 01/04/26 _x86_64_ (4 CPU) 07:04:55 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 20.53 0.00 2.59 4.35 1.12 71.41 07:06:02 0 9.15 0.00 1.34 6.98 0.74 81.79 07:06:02 1 27.40 0.00 4.72 5.04 1.37 61.47 07:06:02 2 27.10 0.00 2.21 2.99 1.27 66.43 07:06:02 3 18.47 0.00 2.08 2.42 1.07 75.96 07:07:01 all 23.35 0.00 1.55 1.99 1.12 72.00 07:07:01 0 14.13 0.00 1.34 4.43 0.82 79.28 07:07:01 1 48.63 0.00 2.54 1.81 2.06 44.96 07:07:01 2 13.49 0.00 1.00 1.02 0.90 83.60 07:07:01 3 17.12 0.00 1.32 0.69 0.69 80.17 07:08:01 all 37.48 0.00 1.76 0.85 2.21 57.69 07:08:01 0 42.51 0.00 1.65 0.92 2.13 52.78 07:08:01 1 33.84 0.00 1.65 1.78 2.10 60.62 07:08:01 2 24.20 0.00 1.11 0.12 2.02 72.55 07:08:01 3 49.49 0.00 2.60 0.58 2.60 44.72 07:09:01 all 21.58 0.00 1.02 0.65 0.84 75.91 07:09:01 0 9.04 0.00 0.43 0.03 0.37 90.12 07:09:01 1 12.59 0.00 0.83 2.27 0.52 83.79 07:09:01 2 17.67 0.00 1.01 0.07 1.13 80.13 07:09:01 3 47.03 0.00 1.80 0.25 1.33 49.58 Average: all 25.75 0.00 1.73 1.96 1.32 69.24 Average: 0 18.74 0.00 1.19 3.08 1.01 75.98 Average: 1 30.55 0.00 2.44 2.73 1.51 62.77 Average: 2 20.64 0.00 1.33 1.04 1.33 75.65 Average: 3 33.09 0.00 1.95 0.99 1.43 62.54