---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5061 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 7.7G 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 471 5220 0 2284 7221 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:ef:de:e3 brd ff:ff:ff:ff:ff:ff inet 10.32.6.118/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:feef:dee3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5061) 07/05/26 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 100.77 29.73 71.04 1003.70 6138.99 07:07:01 76.85 29.30 47.56 1651.99 8955.31 07:08:01 49.29 9.02 40.28 580.84 8960.51 07:09:01 30.14 4.43 25.71 152.64 6280.29 Average: 64.26 18.12 46.15 847.29 7583.77 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5831876 7395052 2335536 28.60 47668 1686948 719008 7.80 644780 1510292 183752 07:07:01 5575916 7345136 2591496 31.73 58496 1872080 847112 9.19 673724 1717124 146852 07:08:01 5326716 7365864 2840696 34.78 66376 2127448 710584 7.71 780380 1845708 158392 07:09:01 5350236 7399868 2817176 34.49 68616 2135028 677408 7.35 756132 1846152 10576 Average: 5521186 7376480 2646226 32.40 60289 1955376 738528 8.01 713754 1729819 124893 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:01 ens3 396.38 210.76 1441.09 64.20 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 66.11 52.67 525.22 13.16 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:08:01 ens3 167.39 155.84 1857.12 23.62 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 07:09:01 ens3 56.17 68.64 29.47 672.80 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 171.51 121.98 963.22 193.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5061) 07/05/26 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.89 0.00 1.68 3.23 1.56 70.64 07:06:01 0 38.32 0.00 1.95 3.90 1.63 54.20 07:06:01 1 36.50 0.00 2.95 4.80 1.74 54.00 07:06:01 2 7.17 0.00 0.81 3.02 1.06 87.94 07:06:01 3 9.72 0.00 0.99 1.24 1.80 86.25 07:07:01 all 21.60 0.00 1.32 1.89 1.33 73.86 07:07:01 0 34.12 0.00 2.01 3.70 1.28 58.88 07:07:01 1 20.63 0.00 1.11 0.57 1.00 76.69 07:07:01 2 12.24 0.00 0.81 0.67 1.03 85.25 07:07:01 3 19.44 0.00 1.36 2.65 2.00 74.56 07:08:01 all 38.82 0.00 1.79 1.06 3.27 55.06 07:08:01 0 35.90 0.00 1.86 0.96 3.31 57.97 07:08:01 1 51.51 0.00 2.20 0.60 3.63 42.06 07:08:01 2 31.62 0.00 1.61 1.51 2.87 62.39 07:08:01 3 36.28 0.00 1.47 1.15 3.27 57.83 07:09:01 all 20.65 0.00 1.03 0.94 1.08 76.30 07:09:01 0 44.45 0.00 1.22 3.15 1.48 49.71 07:09:01 1 17.80 0.00 1.37 0.05 0.67 80.12 07:09:01 2 5.02 0.00 0.68 0.35 0.56 93.39 07:09:01 3 15.41 0.00 0.88 0.21 1.64 81.87 Average: all 26.00 0.00 1.45 1.78 1.81 68.95 Average: 0 38.19 0.00 1.76 2.92 1.93 55.19 Average: 1 31.63 0.00 1.91 1.50 1.76 63.19 Average: 2 14.01 0.00 0.98 1.39 1.38 82.24 Average: 3 20.22 0.00 1.17 1.31 2.18 75.12