---> uname -a: Linux prd-centos8-docker-8c-8g-2256.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: 2799.998 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): 0-7 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 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1058 27212 19 3619 30371 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:e8:7e:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.133/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86136sec preferred_lft 86136sec inet6 fe80::f816:3eff:fee8:7e11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:45:4a:4b:20 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::42:45ff:fe4a:4b20/64 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) 12/30/2025 _x86_64_ (8 CPU) 17:11:56 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 229.20 14.36 214.83 3198.00 12393.08 05:15:01 PM 446.72 6.33 440.39 1206.80 17155.73 05:16:01 PM 167.74 1.53 166.21 386.80 39525.06 Average: 281.22 7.41 273.81 1597.11 23025.22 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 29138148 31062144 3517564 10.77 2688 2238816 1643120 4.88 190312 2856128 166520 05:15:01 PM 27651552 30136824 5004160 15.32 2688 2789024 2223640 6.60 406084 4076348 284872 05:16:01 PM 27894660 31127300 4761052 14.58 2688 3528120 1482684 4.40 812448 3404312 165068 Average: 28228120 30775423 4427592 13.56 2688 2851987 1783148 5.29 469615 3445596 205487 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 218.41 184.30 2314.90 45.07 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 681.86 561.98 8153.63 71.31 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 320.96 279.49 3623.18 1243.05 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.61 13.03 0.50 243.97 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 407.09 341.93 4697.37 453.16 0.00 0.00 0.00 0.00 Average: docker0 2.20 4.34 0.17 81.33 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) 12/30/2025 _x86_64_ (8 CPU) 17:11:56 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 14.70 0.00 1.21 0.97 0.06 83.06 05:14:01 PM 0 11.53 0.00 0.77 0.70 0.07 86.93 05:14:01 PM 1 16.68 0.00 1.44 1.25 0.07 80.56 05:14:01 PM 2 9.04 0.00 0.62 0.50 0.05 89.79 05:14:01 PM 3 14.12 0.00 1.15 1.09 0.05 83.60 05:14:01 PM 4 16.25 0.00 0.47 0.03 0.08 83.16 05:14:01 PM 5 27.07 0.00 3.13 2.86 0.07 66.87 05:14:01 PM 6 14.65 0.00 1.34 0.40 0.05 83.56 05:14:01 PM 7 8.26 0.00 0.79 0.90 0.07 89.98 05:15:01 PM all 28.58 0.00 1.91 1.63 0.09 67.78 05:15:01 PM 0 35.88 0.00 1.99 1.76 0.10 60.27 05:15:01 PM 1 19.22 0.00 1.99 0.75 0.08 77.96 05:15:01 PM 2 29.95 0.00 1.98 2.01 0.10 65.95 05:15:01 PM 3 34.78 0.00 2.29 2.18 0.08 60.66 05:15:01 PM 4 27.91 0.00 2.39 1.63 0.08 67.99 05:15:01 PM 5 31.05 0.00 1.32 0.75 0.10 66.77 05:15:01 PM 6 25.18 0.00 1.21 0.62 0.08 72.91 05:15:01 PM 7 24.71 0.00 2.13 3.32 0.10 69.74 05:16:01 PM all 16.48 0.00 2.59 1.43 0.07 79.43 05:16:01 PM 0 11.46 0.00 2.53 0.79 0.07 85.15 05:16:01 PM 1 14.04 0.00 2.90 3.82 0.07 79.18 05:16:01 PM 2 19.14 0.00 2.90 1.19 0.08 76.68 05:16:01 PM 3 17.21 0.00 2.28 2.74 0.07 77.71 05:16:01 PM 4 20.41 0.00 2.23 1.06 0.08 76.21 05:16:01 PM 5 11.44 0.00 2.58 0.13 0.07 85.78 05:16:01 PM 6 20.17 0.00 2.31 1.07 0.07 76.37 05:16:01 PM 7 17.99 0.00 3.00 0.60 0.07 78.33 Average: all 19.92 0.00 1.91 1.34 0.08 76.76 Average: 0 19.62 0.00 1.76 1.08 0.08 77.46 Average: 1 16.65 0.00 2.11 1.94 0.07 79.23 Average: 2 19.36 0.00 1.83 1.23 0.08 77.49 Average: 3 22.03 0.00 1.91 2.00 0.07 73.99 Average: 4 21.52 0.00 1.69 0.91 0.08 75.80 Average: 5 23.19 0.00 2.35 1.25 0.08 73.13 Average: 6 19.99 0.00 1.62 0.70 0.07 77.62 Average: 7 16.98 0.00 1.97 1.61 0.08 79.36