---> uname -a: Linux prd-centos8-docker-8c-8g-14171.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 1059 26545 19 4284 30365 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:9b:a1:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.105/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe9b:a17e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3f:ab:57:97 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::42:3fff:feab:5797/64 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) 11/21/2025 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:02 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 203.86 16.84 187.02 3334.06 10736.14 02:31:01 AM 175.54 3.98 171.55 1111.95 16537.01 02:32:01 AM 132.51 15.38 117.13 5442.19 28469.31 Average: 170.45 12.04 158.41 3295.97 18624.75 02:29:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29088932 30972712 3566780 10.92 2688 2200392 1655064 4.91 160892 2937516 143848 02:31:01 AM 26813120 29836704 5842592 17.89 2688 3322336 2757360 8.18 313112 4992296 805272 02:32:01 AM 27199008 31097744 5456704 16.71 2688 4190192 1490136 4.42 740600 4157032 732956 Average: 27700353 30635720 4955359 15.17 2688 3237640 1967520 5.84 404868 4028948 560692 02:29:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 173.36 140.80 1877.52 44.06 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 1880.70 784.97 11286.32 66.11 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.86 11.86 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 140.85 116.46 1379.26 28.00 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.28 5.40 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 734.69 348.54 4863.93 46.07 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.81 0.21 0.21 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) 11/21/2025 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:02 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 12.55 0.00 1.08 0.71 0.06 85.60 02:30:01 AM 0 11.44 0.00 0.92 0.36 0.07 87.22 02:30:01 AM 1 39.90 0.00 3.04 0.98 0.10 55.98 02:30:01 AM 2 9.59 0.00 0.54 0.68 0.09 89.10 02:30:01 AM 3 12.58 0.00 1.15 1.22 0.05 84.99 02:30:01 AM 4 12.12 0.00 1.24 1.07 0.03 85.54 02:30:01 AM 5 6.47 0.00 0.68 0.76 0.03 92.06 02:30:01 AM 6 4.72 0.00 0.59 0.27 0.05 94.36 02:30:01 AM 7 3.55 0.00 0.49 0.31 0.03 95.62 02:31:01 AM all 27.45 0.00 2.33 0.71 0.09 69.42 02:31:01 AM 0 33.50 0.00 1.76 0.27 0.10 64.37 02:31:01 AM 1 34.89 0.00 2.16 0.13 0.10 62.72 02:31:01 AM 2 25.68 0.00 2.80 1.95 0.10 69.47 02:31:01 AM 3 33.09 0.00 2.78 0.24 0.08 63.81 02:31:01 AM 4 25.96 0.00 3.73 1.42 0.10 68.80 02:31:01 AM 5 18.43 0.00 1.62 0.32 0.08 79.55 02:31:01 AM 6 20.28 0.00 1.78 0.13 0.08 77.71 02:31:01 AM 7 27.74 0.00 2.00 1.21 0.08 68.96 02:32:01 AM all 21.13 0.30 2.58 1.07 0.08 74.84 02:32:01 AM 0 21.87 0.02 1.72 0.85 0.08 75.46 02:32:01 AM 1 18.30 0.02 2.70 1.17 0.10 77.71 02:32:01 AM 2 19.33 0.05 2.92 2.72 0.07 74.92 02:32:01 AM 3 24.17 0.00 2.95 0.90 0.08 71.90 02:32:01 AM 4 18.43 0.08 2.68 1.11 0.08 77.61 02:32:01 AM 5 34.72 0.02 2.53 0.77 0.08 61.88 02:32:01 AM 6 17.34 2.18 2.53 0.64 0.07 77.25 02:32:01 AM 7 14.84 0.03 2.62 0.42 0.10 81.99 Average: all 20.40 0.10 2.00 0.83 0.08 76.59 Average: 0 22.32 0.01 1.47 0.49 0.08 75.63 Average: 1 30.98 0.01 2.63 0.76 0.10 65.52 Average: 2 18.23 0.02 2.09 1.79 0.08 77.79 Average: 3 23.31 0.00 2.30 0.79 0.07 73.53 Average: 4 18.85 0.03 2.55 1.20 0.07 77.30 Average: 5 19.93 0.01 1.61 0.62 0.07 77.76 Average: 6 14.15 0.73 1.64 0.35 0.07 83.06 Average: 7 15.41 0.01 1.71 0.65 0.07 82.15