---> uname -a: Linux prd-centos8-docker-8c-8g-622.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.996 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1037 27377 19 3475 30396 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:dd:4c:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.139/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fedd:4c06/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:b5:ea:b4 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::42:46ff:feb5:eab4/64 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) 12/21/2025 _x86_64_ (8 CPU) 17:11:48 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 297.10 29.41 267.69 7297.98 44552.58 05:14:01 PM 442.59 19.48 423.11 4305.55 15524.60 05:15:01 PM 288.54 2.75 285.79 506.50 42168.68 Average: 342.74 17.21 325.53 4036.66 34082.98 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29574128 31253636 3081584 9.44 2688 2004000 1421296 4.22 141224 2514164 178844 05:14:01 PM 28504948 30580208 4150764 12.71 2688 2388008 1899940 5.64 212844 3451736 95344 05:15:01 PM 26613612 29692964 6042100 18.50 2688 3379488 2619936 7.77 554688 4947240 212 Average: 28230896 30508936 4424816 13.55 2688 2590499 1980391 5.88 302919 3637713 91467 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 454.43 291.49 1889.29 66.50 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 335.26 299.22 3261.73 60.70 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 552.28 434.74 8581.84 50.21 0.00 0.00 0.00 0.00 05:15:01 PM docker0 8.21 16.29 0.58 244.49 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 447.33 341.82 4577.70 59.14 0.00 0.00 0.00 0.00 Average: docker0 2.74 5.43 0.19 81.50 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) 12/21/2025 _x86_64_ (8 CPU) 17:11:48 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 14.04 0.00 2.22 1.13 0.05 82.57 05:13:01 PM 0 6.03 0.00 2.11 0.40 0.10 91.36 05:13:01 PM 1 13.32 0.00 1.99 0.39 0.07 84.23 05:13:01 PM 2 25.42 0.00 3.88 0.55 0.05 70.10 05:13:01 PM 3 23.96 0.00 1.79 0.30 0.05 73.90 05:13:01 PM 4 12.55 0.00 1.69 1.25 0.03 84.48 05:13:01 PM 5 6.75 0.00 1.67 2.73 0.03 88.81 05:13:01 PM 6 16.35 0.00 3.34 2.73 0.07 77.52 05:13:01 PM 7 7.91 0.00 1.29 0.67 0.03 90.10 05:14:01 PM all 15.69 0.00 1.22 1.18 0.07 81.85 05:14:01 PM 0 18.68 0.00 1.25 0.94 0.08 79.05 05:14:01 PM 1 8.50 0.00 2.25 3.80 0.07 85.38 05:14:01 PM 2 29.68 0.00 1.40 0.89 0.08 67.94 05:14:01 PM 3 13.38 0.00 0.92 0.70 0.07 84.94 05:14:01 PM 4 13.04 0.00 1.80 1.54 0.05 83.57 05:14:01 PM 5 13.66 0.00 0.60 0.20 0.08 85.46 05:14:01 PM 6 18.24 0.00 0.75 0.40 0.07 80.54 05:14:01 PM 7 10.34 0.00 0.75 0.95 0.05 87.91 05:15:01 PM all 26.54 0.00 2.71 0.99 0.08 69.68 05:15:01 PM 0 33.55 0.00 2.47 0.44 0.08 63.46 05:15:01 PM 1 31.16 0.00 2.72 1.41 0.08 64.62 05:15:01 PM 2 27.83 0.00 2.99 2.42 0.08 66.67 05:15:01 PM 3 24.24 0.00 3.24 0.96 0.08 71.47 05:15:01 PM 4 28.02 0.00 2.86 1.14 0.08 67.89 05:15:01 PM 5 17.74 0.00 2.10 0.13 0.08 79.94 05:15:01 PM 6 23.75 0.00 2.64 0.69 0.08 72.84 05:15:01 PM 7 25.98 0.00 2.67 0.69 0.08 70.58 Average: all 18.74 0.00 2.05 1.10 0.07 78.05 Average: 0 19.40 0.00 1.94 0.59 0.09 77.98 Average: 1 17.65 0.00 2.32 1.87 0.07 78.09 Average: 2 27.65 0.00 2.76 1.28 0.07 68.24 Average: 3 20.52 0.00 1.98 0.65 0.07 76.78 Average: 4 17.84 0.00 2.12 1.31 0.06 78.68 Average: 5 12.71 0.00 1.46 1.02 0.07 84.75 Average: 6 19.44 0.00 2.24 1.27 0.07 76.97 Average: 7 14.72 0.00 1.57 0.77 0.06 82.88