---> uname -a: Linux prd-centos8-docker-8c-8g-9431.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 27151 19 3681 30374 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:e2:93:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.38/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fee2:93e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:72:a1:0d:c0 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::42:72ff:fea1:dc0/64 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) 05/10/2026 _x86_64_ (8 CPU) 17:11:21 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 255.15 14.43 240.72 3117.63 13058.26 05:14:01 PM 502.33 7.17 495.17 1274.19 16692.30 05:15:01 PM 176.91 3.58 173.33 587.14 40761.73 Average: 311.45 8.39 303.06 1659.67 23504.48 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28925272 30922156 3730440 11.42 2688 2311428 1818520 5.40 196916 3056192 179316 05:14:01 PM 27665324 30216860 4990388 15.28 2688 2855700 2153968 6.39 417552 4054348 319388 05:15:01 PM 27874892 31174456 4780820 14.64 2688 3595892 1487436 4.41 820464 3418468 160980 Average: 28155163 30771157 4500549 13.78 2688 2921007 1819975 5.40 478311 3509669 219895 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 268.84 227.67 2987.63 55.41 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 642.18 522.81 8049.23 67.14 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 369.31 346.42 3508.45 2376.78 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.48 14.16 0.50 258.07 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 426.76 365.63 4848.26 833.15 0.00 0.00 0.00 0.00 Average: docker0 2.16 4.72 0.17 86.03 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) 05/10/2026 _x86_64_ (8 CPU) 17:11:21 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 15.50 0.00 1.48 0.65 0.06 82.30 05:13:01 PM 0 8.41 0.00 1.49 0.40 0.07 89.64 05:13:01 PM 1 7.71 0.00 1.29 0.75 0.07 90.18 05:13:01 PM 2 33.47 0.00 3.02 0.95 0.08 62.47 05:13:01 PM 3 24.14 0.00 1.37 0.20 0.07 74.22 05:13:01 PM 4 9.83 0.00 1.67 1.41 0.05 87.04 05:13:01 PM 5 13.46 0.00 0.77 0.43 0.05 85.29 05:13:01 PM 6 17.57 0.00 1.55 0.67 0.05 80.16 05:13:01 PM 7 9.42 0.00 0.70 0.37 0.05 89.46 05:14:01 PM all 30.67 0.00 1.98 1.14 0.09 66.12 05:14:01 PM 0 26.96 0.00 2.87 2.94 0.10 67.13 05:14:01 PM 1 21.53 0.00 2.01 1.02 0.08 75.35 05:14:01 PM 2 34.11 0.00 3.69 2.73 0.10 59.37 05:14:01 PM 3 39.34 0.00 1.44 0.33 0.12 58.77 05:14:01 PM 4 37.87 0.00 1.26 0.32 0.10 60.45 05:14:01 PM 5 26.03 0.00 2.01 1.24 0.08 70.63 05:14:01 PM 6 28.79 0.00 1.42 0.44 0.07 69.28 05:14:01 PM 7 30.70 0.00 1.12 0.12 0.08 67.98 05:15:01 PM all 16.10 0.00 2.74 0.60 0.08 80.48 05:15:01 PM 0 9.68 0.00 2.13 0.10 0.07 88.02 05:15:01 PM 1 35.88 0.00 4.83 1.65 0.10 57.54 05:15:01 PM 2 19.96 0.00 2.60 0.99 0.08 76.36 05:15:01 PM 3 13.48 0.00 2.44 0.67 0.07 83.35 05:15:01 PM 4 7.87 0.00 2.56 0.17 0.07 89.34 05:15:01 PM 5 12.55 0.00 2.34 0.69 0.07 84.36 05:15:01 PM 6 18.29 0.00 2.50 0.12 0.08 79.01 05:15:01 PM 7 11.15 0.00 2.50 0.45 0.07 85.83 Average: all 20.76 0.00 2.06 0.80 0.08 76.30 Average: 0 15.01 0.00 2.16 1.14 0.08 81.61 Average: 1 21.68 0.00 2.71 1.14 0.08 74.39 Average: 2 29.19 0.00 3.10 1.56 0.09 66.05 Average: 3 25.67 0.00 1.75 0.40 0.08 72.10 Average: 4 18.53 0.00 1.83 0.63 0.07 78.94 Average: 5 17.35 0.00 1.70 0.79 0.07 80.09 Average: 6 21.55 0.00 1.82 0.41 0.07 76.15 Average: 7 17.09 0.00 1.44 0.31 0.07 81.09