---> uname -a: Linux prd-centos8-docker-4c-4g-420.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 15763 1647 10194 19 3921 13766 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:12:3c:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.103/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:fe12:3cd5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:11:11:53:ce 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::42:11ff:fe11:53ce/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/11/2026 _x86_64_ (4 CPU) 09:27:22 LINUX RESTART (4 CPU) 09:28:03 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 188.90 5.12 183.78 455.78 11727.56 09:30:00 AM 222.16 2.47 219.68 774.58 28122.98 09:31:01 AM 1058.79 74.33 984.46 1424.14 38637.92 09:32:01 AM 93.69 45.53 48.15 750.02 2100.72 09:33:01 AM 35.28 2.87 32.41 143.84 2657.04 Average: 321.25 26.26 294.99 711.86 16689.93 09:28:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12711808 14737092 3429724 21.25 2688 2233180 1503672 8.75 164124 2874348 259972 09:30:00 AM 10638380 13214656 5503152 34.09 2688 2769588 3504236 20.39 324456 4718992 1456 09:31:01 AM 10187116 13754072 5954416 36.89 2688 3561368 1901548 11.06 423036 4643280 6844 09:32:01 AM 10624044 14303364 5517488 34.18 2688 3670260 1539748 8.96 557848 4083352 83140 09:33:01 AM 10438152 14095928 5703380 35.33 2688 3644288 1759212 10.23 715052 4106036 23152 Average: 10919900 14021022 5221632 32.35 2688 3175737 2041683 11.88 436903 4085202 74913 09:28:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 230.17 180.06 3418.76 34.59 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 AM lo 5.99 5.99 4.54 4.54 0.00 0.00 0.00 0.00 09:30:00 AM eth0 372.73 245.33 4717.76 31.93 0.00 0.00 0.00 0.00 09:30:00 AM docker0 3.26 3.14 4.10 0.45 0.00 0.00 0.00 0.00 09:30:00 AM veth3b91939 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 09:30:00 AM vethd6281ef 3.16 3.08 4.14 0.44 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 09:31:01 AM eth0 190.39 148.63 1848.69 24.15 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 189.27 124.14 396.87 58.82 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 63.47 39.64 30.92 133.65 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.24 1.24 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 208.93 147.27 2071.55 56.77 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.64 0.82 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/11/2026 _x86_64_ (4 CPU) 09:27:22 LINUX RESTART (4 CPU) 09:28:03 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 25.87 0.00 2.30 1.75 0.09 70.00 09:29:01 AM 0 32.08 0.00 2.61 1.45 0.09 63.77 09:29:01 AM 1 20.92 0.00 3.13 3.15 0.10 72.70 09:29:01 AM 2 25.18 0.00 1.38 1.40 0.09 71.95 09:29:01 AM 3 25.29 0.00 2.08 0.99 0.07 71.57 09:30:00 AM all 40.14 0.10 3.12 5.46 0.10 51.08 09:30:00 AM 0 39.84 0.03 3.25 2.88 0.10 53.89 09:30:00 AM 1 38.92 0.05 2.84 10.94 0.10 47.15 09:30:00 AM 2 41.50 0.13 2.88 1.72 0.10 53.68 09:30:00 AM 3 40.30 0.19 3.51 6.31 0.10 49.60 09:31:01 AM all 27.06 0.00 10.02 10.82 0.10 52.00 09:31:01 AM 0 18.30 0.00 8.90 10.49 0.10 62.22 09:31:01 AM 1 17.22 0.00 9.61 11.97 0.08 61.12 09:31:01 AM 2 42.82 0.00 10.13 7.94 0.10 39.01 09:31:01 AM 3 29.82 0.00 11.46 12.92 0.10 45.70 09:32:01 AM all 47.81 0.00 2.31 1.32 0.11 48.45 09:32:01 AM 0 66.52 0.00 2.32 0.50 0.12 30.54 09:32:01 AM 1 38.98 0.00 2.07 0.85 0.12 57.98 09:32:01 AM 2 34.56 0.00 2.06 3.23 0.10 60.05 09:32:01 AM 3 51.16 0.00 2.78 0.69 0.10 45.27 09:33:01 AM all 21.35 0.00 1.52 0.23 0.05 76.84 09:33:01 AM 0 31.45 0.00 2.22 0.10 0.05 66.18 09:33:01 AM 1 29.62 0.00 1.72 0.17 0.05 68.45 09:33:01 AM 2 5.75 0.00 1.12 0.60 0.05 92.48 09:33:01 AM 3 18.57 0.00 1.02 0.05 0.07 80.30 Average: all 32.49 0.02 3.85 3.91 0.09 59.64 Average: 0 37.72 0.01 3.86 3.08 0.09 55.25 Average: 1 29.21 0.01 3.86 5.40 0.09 61.42 Average: 2 29.95 0.03 3.52 2.98 0.09 63.43 Average: 3 33.07 0.04 4.16 4.18 0.09 58.46