---> uname -a: Linux prd-centos8-docker-4c-4g-3386.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 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 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 wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 842 11716 19 3201 14569 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: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:09:7a:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.65/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85998sec preferred_lft 85998sec inet6 fe80::f816:3eff:fe09:7a30/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d7:0e:23:c8 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:d7ff:fe0e:23c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/25/2026 _x86_64_ (4 CPU) 06:59:25 LINUX RESTART (4 CPU) 07:00:01 AM tps rtps wtps bread/s bwrtn/s 07:01:01 AM 187.70 18.99 168.71 3487.77 10293.02 07:02:01 AM 163.50 3.30 160.20 776.68 13001.50 07:03:01 AM 31.62 0.05 31.57 1.07 7784.81 07:04:01 AM 3.27 1.88 1.38 60.52 181.17 07:05:01 AM 87.72 1.67 86.05 504.63 18465.39 07:06:01 AM 29.04 0.47 28.57 56.51 1175.47 Average: 83.81 4.39 79.42 814.55 8483.92 07:00:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:01:01 AM 12585172 14731232 3554148 22.02 2688 2351392 1441460 8.39 166020 2989328 275192 07:02:01 AM 11051268 13511388 5088052 31.53 2688 2659256 2388216 13.89 255912 4399992 222184 07:03:01 AM 9973428 12438424 6165892 38.20 2688 2663940 3443808 20.04 264684 5466008 968 07:04:01 AM 8949736 11425592 7189584 44.55 2688 2673864 4280280 24.90 269172 6480524 4504 07:05:01 AM 8316364 11225112 7822956 48.47 2688 3096360 5322520 30.97 397844 6937424 1004 07:06:01 AM 12017076 14942716 4122244 25.54 2688 3112336 1757772 10.23 595832 3052788 31976 Average: 10482174 13045744 5657146 35.05 2688 2759525 3105676 18.07 324911 4887677 89305 07:00:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 AM eth0 165.88 133.52 2317.57 23.97 0.00 0.00 0.00 0.00 07:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 AM eth0 278.51 220.12 4308.28 29.34 0.00 0.00 0.00 0.00 07:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 AM eth0 20.58 16.31 4.13 29.78 0.00 0.00 0.00 0.00 07:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:01 AM eth0 29.15 23.31 10.67 24.17 0.00 0.00 0.00 0.00 07:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 AM lo 15.99 15.99 27.22 27.22 0.00 0.00 0.00 0.00 07:05:01 AM eth0 200.65 106.88 2828.72 10.78 0.00 0.00 0.00 0.00 07:05:01 AM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 07:05:01 AM veth4939b0c 0.18 0.43 0.01 0.04 0.00 0.00 0.00 0.00 07:05:01 AM br-b168d9c577da 5.85 5.58 25.62 0.93 0.00 0.00 0.00 0.00 07:06:01 AM lo 0.82 0.82 0.04 0.04 0.00 0.00 0.00 0.00 07:06:01 AM eth0 25.56 21.03 20.48 9.54 0.00 0.00 0.00 0.00 07:06:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.80 2.80 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 120.06 86.87 1581.76 21.26 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.07 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/25/2026 _x86_64_ (4 CPU) 06:59:25 LINUX RESTART (4 CPU) 07:00:01 AM CPU %user %nice %system %iowait %steal %idle 07:01:01 AM all 26.13 0.00 2.65 1.09 0.09 70.05 07:01:01 AM 0 22.38 0.00 2.18 0.53 0.10 74.80 07:01:01 AM 1 20.75 0.00 3.68 1.54 0.10 73.93 07:01:01 AM 2 37.89 0.00 3.11 1.77 0.10 57.13 07:01:01 AM 3 23.49 0.00 1.62 0.50 0.07 74.32 07:02:01 AM all 57.52 0.00 2.64 0.89 0.10 38.86 07:02:01 AM 0 62.07 0.00 2.49 0.83 0.10 34.51 07:02:01 AM 1 56.95 0.00 1.89 0.94 0.10 40.13 07:02:01 AM 2 53.20 0.00 3.15 0.95 0.10 42.60 07:02:01 AM 3 57.85 0.00 3.03 0.84 0.10 38.19 07:03:01 AM all 29.52 0.00 0.60 0.20 0.08 69.60 07:03:01 AM 0 31.36 0.00 0.75 0.03 0.08 67.77 07:03:01 AM 1 25.94 0.00 0.68 0.08 0.07 73.23 07:03:01 AM 2 27.03 0.00 0.59 0.66 0.07 71.65 07:03:01 AM 3 33.77 0.00 0.37 0.03 0.08 65.74 07:04:01 AM all 32.20 0.00 0.73 0.02 0.08 66.97 07:04:01 AM 0 25.48 0.00 0.52 0.00 0.07 73.94 07:04:01 AM 1 18.58 0.00 0.55 0.00 0.10 80.77 07:04:01 AM 2 50.13 0.00 1.27 0.07 0.10 48.43 07:04:01 AM 3 34.57 0.00 0.58 0.00 0.07 64.77 07:05:01 AM all 30.02 0.00 3.48 0.74 0.12 65.65 07:05:01 AM 0 28.21 0.00 4.68 0.59 0.12 66.40 07:05:01 AM 1 28.94 0.00 3.36 0.74 0.12 66.84 07:05:01 AM 2 34.47 0.00 3.36 0.98 0.13 61.06 07:05:01 AM 3 28.46 0.00 2.50 0.66 0.10 68.28 07:06:01 AM all 25.48 0.00 1.61 0.10 0.08 72.74 07:06:01 AM 0 25.63 0.00 1.87 0.15 0.08 72.27 07:06:01 AM 1 18.89 0.00 1.25 0.07 0.07 79.72 07:06:01 AM 2 38.02 0.00 1.89 0.10 0.08 59.91 07:06:01 AM 3 19.36 0.00 1.44 0.07 0.07 79.07 Average: all 33.48 0.00 1.95 0.50 0.09 63.97 Average: 0 32.52 0.00 2.08 0.36 0.09 64.95 Average: 1 28.34 0.00 1.90 0.56 0.09 69.10 Average: 2 40.15 0.00 2.23 0.75 0.10 56.77 Average: 3 32.92 0.00 1.59 0.35 0.08 65.06