---> uname -a: Linux prd-centos8-docker-4c-4g-644.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1065 10419 19 4276 14346 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:9c:7c:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.192/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86041sec preferred_lft 86041sec inet6 fe80::f816:3eff:fe9c:7c8d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1c:56:91:1a 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::42:1cff:fe56:911a/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) 07/18/2026 _x86_64_ (4 CPU) 03:28:23 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 126.74 1.98 124.76 321.09 9355.41 03:31:01 AM 270.39 5.13 265.26 881.45 29280.72 03:32:01 AM 1032.26 35.99 996.27 530.62 35391.77 03:33:01 AM 181.17 96.20 84.97 4492.18 4618.81 03:34:01 AM 192.38 6.90 185.49 2397.60 9575.15 Average: 360.60 29.24 331.36 1724.50 17644.69 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 12939188 14938548 3200124 19.83 2688 2207496 1502008 8.74 154492 2659428 248188 03:31:01 AM 9800860 12396020 6338452 39.27 2688 2786496 4418956 25.71 276480 5592344 1348 03:32:01 AM 10434204 13995236 5705108 35.35 2688 3553488 1861296 10.83 402788 4402984 81468 03:33:01 AM 10815056 14551052 5324256 32.99 2688 3723068 1427636 8.31 442164 3981104 31428 03:34:01 AM 10733628 14750116 5405684 33.49 2688 3999588 1196052 6.96 717044 3785116 24484 Average: 10944587 14126194 5194725 32.19 2688 3254027 2081190 12.11 398594 4084195 77383 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 147.70 95.65 1747.80 18.48 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 3.35 3.35 1.62 1.62 0.00 0.00 0.00 0.00 03:31:01 AM eth0 357.72 283.22 5320.03 39.02 0.00 0.00 0.00 0.00 03:31:01 AM docker0 2.10 1.97 1.30 0.32 0.00 0.00 0.00 0.00 03:31:01 AM vethf532bc8 0.08 0.33 0.00 0.03 0.00 0.00 0.00 0.00 03:31:01 AM veth6b0e8b2 2.02 1.90 1.33 0.31 0.00 0.00 0.00 0.00 03:32:01 AM lo 2.80 2.80 2.94 2.94 0.00 0.00 0.00 0.00 03:32:01 AM eth0 200.10 147.50 1871.41 28.12 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.15 1.22 2.78 0.14 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 14.08 14.11 57.43 5.97 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 209.22 159.46 3139.99 42.42 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 185.76 139.99 2427.29 26.80 0.00 0.00 0.00 0.00 Average: docker0 0.65 0.64 0.82 0.09 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) 07/18/2026 _x86_64_ (4 CPU) 03:28:23 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 19.84 0.00 1.83 0.72 0.08 77.53 03:30:01 AM 0 22.87 0.00 1.81 0.87 0.07 74.39 03:30:01 AM 1 20.62 0.00 2.44 0.59 0.10 76.25 03:30:01 AM 2 14.90 0.00 1.36 1.02 0.07 82.66 03:30:01 AM 3 20.97 0.00 1.71 0.42 0.07 76.84 03:31:01 AM all 37.11 0.08 3.47 2.24 0.12 56.98 03:31:01 AM 0 35.28 0.02 3.95 3.66 0.12 56.97 03:31:01 AM 1 38.76 0.15 2.82 0.77 0.10 57.40 03:31:01 AM 2 34.19 0.03 3.08 1.56 0.13 61.00 03:31:01 AM 3 40.23 0.13 4.02 2.94 0.13 52.54 03:32:01 AM all 33.45 0.00 10.38 8.74 0.12 47.30 03:32:01 AM 0 42.19 0.00 8.86 5.02 0.12 43.82 03:32:01 AM 1 31.08 0.00 10.27 10.95 0.12 47.59 03:32:01 AM 2 29.27 0.00 11.68 9.19 0.12 49.75 03:32:01 AM 3 31.26 0.00 10.71 9.83 0.14 48.07 03:33:01 AM all 44.13 0.00 1.92 1.11 0.12 52.72 03:33:01 AM 0 29.94 0.00 1.65 1.25 0.13 67.02 03:33:01 AM 1 40.50 0.00 2.16 2.07 0.12 55.15 03:33:01 AM 2 75.82 0.00 2.38 0.49 0.13 21.19 03:33:01 AM 3 30.33 0.00 1.47 0.62 0.10 67.48 03:34:01 AM all 36.65 0.00 1.80 0.76 0.10 60.69 03:34:01 AM 0 46.94 0.00 1.15 0.05 0.10 51.76 03:34:01 AM 1 39.07 0.00 2.17 0.72 0.10 57.94 03:34:01 AM 2 30.06 0.00 1.74 1.62 0.10 66.47 03:34:01 AM 3 30.47 0.00 2.16 0.67 0.08 66.62 Average: all 34.24 0.02 3.86 2.70 0.11 59.08 Average: 0 35.43 0.00 3.47 2.16 0.11 58.83 Average: 1 34.01 0.03 3.95 3.00 0.11 58.90 Average: 2 36.87 0.01 4.03 2.76 0.11 56.23 Average: 3 30.64 0.03 3.99 2.87 0.10 62.37