---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1729 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 7.7G 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 465 5227 0 2282 7227 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:2c:dd:ae brd ff:ff:ff:ff:ff:ff inet 10.32.7.79/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe2c:ddae/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-1729) 05/25/26 _x86_64_ (4 CPU) 07:04:55 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 149.99 62.29 87.70 4227.83 40914.13 07:07:01 84.53 30.93 53.60 1722.96 9776.11 07:08:01 53.82 8.01 45.80 543.15 9439.25 07:09:02 27.98 3.47 24.51 131.98 5978.60 Average: 79.05 26.15 52.90 1656.16 16554.97 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5956424 7406656 2210996 27.07 38788 1590000 700912 7.61 598208 1445788 106196 07:07:01 5613256 7382584 2554164 31.27 58492 1872016 767020 8.32 634800 1716616 152272 07:08:01 5321860 7367252 2845560 34.84 66684 2132764 718244 7.79 781796 1847076 157128 07:09:02 5340088 7395028 2827332 34.62 68800 2139548 690376 7.49 759192 1849932 16132 Average: 5557907 7387880 2609513 31.95 58191 1933582 719138 7.80 693499 1714853 107932 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:02 ens3 471.34 256.37 1525.00 66.96 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 69.87 55.11 533.23 13.75 0.00 0.00 0.00 0.00 07:08:01 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 07:08:01 ens3 186.30 170.26 1858.01 24.93 0.00 0.00 0.00 0.00 07:09:02 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 07:09:02 ens3 60.81 66.12 29.35 673.48 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 197.61 137.31 988.33 195.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1729) 05/25/26 _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 21.65 0.00 2.78 4.62 1.16 69.79 07:06:02 0 16.39 0.00 1.48 4.43 0.87 76.83 07:06:02 1 13.75 0.00 1.58 5.82 0.90 77.95 07:06:02 2 29.71 0.00 6.08 6.76 1.67 55.78 07:06:02 3 26.76 0.00 2.05 1.47 1.22 68.51 07:07:01 all 23.44 0.00 1.41 1.94 1.20 72.00 07:07:01 0 20.74 0.00 1.08 1.27 1.30 75.61 07:07:01 1 50.83 0.00 2.41 0.36 1.68 44.72 07:07:01 2 10.06 0.00 0.99 2.24 0.74 85.96 07:07:01 3 12.29 0.00 1.11 3.92 1.10 81.58 07:08:01 all 38.75 0.00 1.95 1.23 2.54 55.53 07:08:01 0 31.81 0.00 1.71 0.70 2.13 63.64 07:08:01 1 35.78 0.00 1.11 0.03 2.49 60.58 07:08:01 2 53.30 0.00 3.46 2.92 3.15 37.17 07:08:01 3 34.07 0.00 1.53 1.25 2.36 60.79 07:09:02 all 20.83 0.00 1.13 0.67 0.93 76.44 07:09:02 0 19.39 0.00 1.13 2.11 1.23 76.14 07:09:02 1 29.52 0.00 1.33 0.08 1.00 68.07 07:09:02 2 30.36 0.00 1.35 0.42 1.07 66.81 07:09:02 3 4.07 0.00 0.73 0.05 0.42 94.73 Average: all 26.18 0.00 1.82 2.11 1.46 68.42 Average: 0 22.09 0.00 1.35 2.13 1.38 73.05 Average: 1 32.39 0.00 1.61 1.58 1.52 62.91 Average: 2 30.95 0.00 2.97 3.08 1.66 61.33 Average: 3 19.32 0.00 1.36 1.66 1.27 76.39