---> uname -a: Linux prd-centos8-docker-8c-8g-1459.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 1056 27215 19 3617 30373 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:bc:65:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.21/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:febc:6570/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:13:72:9c:aa 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::42:13ff:fe72:9caa/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) 12/26/2025 _x86_64_ (8 CPU) 17:11:25 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 184.89 14.58 170.31 3203.47 10976.82 05:14:01 PM 417.03 4.80 412.23 1165.61 13700.70 05:15:01 PM 253.85 2.32 251.53 392.14 43539.50 Average: 285.25 7.23 278.02 1587.07 22739.01 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29089644 30951412 3566068 10.92 2688 2179336 1827292 5.42 156272 2949736 117444 05:14:01 PM 27910140 30237760 4745572 14.53 2688 2634756 2185760 6.49 271808 3968824 241740 05:15:01 PM 27891700 31123568 4764012 14.59 2688 3528784 1506068 4.47 641204 3580852 149244 Average: 28297161 30770913 4358551 13.35 2688 2780959 1839707 5.46 356428 3499804 169476 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 143.25 117.81 1475.29 38.24 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 560.15 463.85 6635.65 61.55 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 561.03 466.06 6025.78 1263.63 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.65 14.83 0.51 243.88 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 421.48 349.24 4712.24 454.47 0.00 0.00 0.00 0.00 Average: docker0 2.22 4.94 0.17 81.29 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) 12/26/2025 _x86_64_ (8 CPU) 17:11:25 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 11.52 0.00 1.08 0.74 0.05 86.60 05:13:01 PM 0 10.31 0.00 0.85 0.30 0.05 88.49 05:13:01 PM 1 28.01 0.00 2.27 0.50 0.07 69.15 05:13:01 PM 2 6.34 0.00 0.85 1.52 0.07 91.22 05:13:01 PM 3 4.95 0.00 0.47 0.52 0.05 94.02 05:13:01 PM 4 25.23 0.00 2.04 1.00 0.07 71.67 05:13:01 PM 5 3.03 0.00 0.60 0.27 0.05 96.05 05:13:01 PM 6 7.94 0.00 0.99 1.22 0.05 89.81 05:13:01 PM 7 6.34 0.00 0.57 0.60 0.03 92.46 05:14:01 PM all 28.65 0.00 1.83 1.26 0.09 68.17 05:14:01 PM 0 36.38 0.00 1.42 0.74 0.10 61.36 05:14:01 PM 1 21.11 0.00 2.06 1.74 0.10 74.99 05:14:01 PM 2 26.67 0.00 2.90 3.42 0.10 66.92 05:14:01 PM 3 26.94 0.00 1.05 0.57 0.08 71.35 05:14:01 PM 4 34.30 0.00 0.99 0.03 0.08 64.60 05:14:01 PM 5 27.43 0.00 1.71 0.59 0.10 70.17 05:14:01 PM 6 19.87 0.00 1.64 0.54 0.08 77.87 05:14:01 PM 7 36.49 0.00 2.86 2.43 0.08 58.13 05:15:01 PM all 20.56 0.00 3.13 1.21 0.09 75.01 05:15:01 PM 0 23.28 0.00 2.75 0.10 0.08 73.78 05:15:01 PM 1 20.31 0.00 3.05 1.97 0.10 74.57 05:15:01 PM 2 24.86 0.00 3.11 3.16 0.08 68.78 05:15:01 PM 3 25.73 0.00 4.43 1.99 0.10 67.75 05:15:01 PM 4 14.71 0.00 3.27 0.10 0.07 81.85 05:15:01 PM 5 30.62 0.00 3.08 0.77 0.08 65.44 05:15:01 PM 6 9.21 0.00 2.82 0.67 0.10 87.20 05:15:01 PM 7 15.74 0.00 2.57 0.92 0.07 80.70 Average: all 20.23 0.00 2.01 1.07 0.08 76.61 Average: 0 23.31 0.00 1.67 0.38 0.08 74.56 Average: 1 23.15 0.00 2.46 1.40 0.09 72.90 Average: 2 19.27 0.00 2.29 2.70 0.08 75.66 Average: 3 19.19 0.00 1.98 1.02 0.08 77.73 Average: 4 24.76 0.00 2.09 0.38 0.07 72.69 Average: 5 20.33 0.00 1.80 0.54 0.08 77.25 Average: 6 12.33 0.00 1.82 0.81 0.08 84.96 Average: 7 19.51 0.00 2.00 1.32 0.06 77.12