---> uname -a: Linux prd-centos8-docker-4c-4g-15506.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 846 10310 19 4605 14567 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:c0:23:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.170/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86010sec preferred_lft 86010sec inet6 fe80::f816:3eff:fec0:2334/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:89:9f:8d:7c 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::42:89ff:fe9f:8d7c/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) 11/26/2025 _x86_64_ (4 CPU) 16:08:31 LINUX RESTART (4 CPU) 04:09:01 PM tps rtps wtps bread/s bwrtn/s 04:10:01 PM 145.61 16.98 128.63 3249.33 8204.47 04:11:01 PM 256.01 2.80 253.22 797.47 13023.53 04:12:01 PM 147.77 0.75 147.02 248.77 25106.00 04:13:01 PM 232.61 5.45 227.16 5718.23 48822.14 04:14:01 PM 8.50 0.18 8.32 15.86 223.98 04:15:01 PM 42.57 0.65 41.92 65.58 1566.04 Average: 138.85 4.47 134.38 1682.46 16158.85 04:09:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:10:01 PM 13116668 15125804 3024864 18.74 2688 2215840 1069936 6.22 188504 2452480 216904 04:11:01 PM 11324580 13816192 4816952 29.84 2688 2682032 2140100 12.45 246348 4112820 350332 04:12:01 PM 11026984 14720624 5114548 31.69 2688 3870684 1601324 9.32 666992 3945252 823972 04:13:01 PM 10593392 14946264 5548140 34.37 2688 4501344 1314348 7.65 1083104 3917732 196 04:14:01 PM 10601576 14954268 5539956 34.32 2688 4500500 1133164 6.59 1092540 3901336 7408 04:15:01 PM 10487912 14855060 5653620 35.03 2688 4512600 1264824 7.36 1570376 3534676 18124 Average: 11191852 14736369 4949680 30.66 2688 3713833 1420616 8.26 807977 3644049 236156 04:09:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:10:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:01 PM eth0 188.92 144.56 1605.77 33.41 0.00 0.00 0.00 0.00 04:10:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 PM eth0 444.14 367.91 5664.10 52.99 0.00 0.00 0.00 0.00 04:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 PM eth0 138.27 117.49 1251.33 25.37 0.00 0.00 0.00 0.00 04:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 PM eth0 184.46 126.36 2177.62 31.49 0.00 0.00 0.00 0.00 04:13:01 PM docker0 37.25 38.20 18.66 612.93 0.00 0.00 0.00 0.00 04:13:01 PM veth515e80f 13.08 10.85 17.38 4.33 0.00 0.00 0.00 0.00 04:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 PM eth0 351.39 375.42 32.82 5084.67 0.00 0.00 0.00 0.00 04:14:01 PM docker0 372.32 346.49 5077.70 29.24 0.00 0.00 0.00 0.00 04:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 PM eth0 168.44 248.82 60.66 5077.50 0.00 0.00 0.00 0.00 04:15:01 PM docker0 0.00 0.00 0.00 0.00 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 245.93 230.08 1798.74 1717.43 0.00 0.00 0.00 0.00 Average: docker0 68.25 64.11 849.25 107.03 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) 11/26/2025 _x86_64_ (4 CPU) 16:08:31 LINUX RESTART (4 CPU) 04:09:01 PM CPU %user %nice %system %iowait %steal %idle 04:10:01 PM all 26.16 0.00 2.24 0.75 0.09 70.76 04:10:01 PM 0 43.11 0.00 3.35 0.72 0.10 52.72 04:10:01 PM 1 10.91 0.00 1.04 0.48 0.10 87.47 04:10:01 PM 2 32.92 0.00 2.73 0.52 0.08 63.76 04:10:01 PM 3 17.68 0.00 1.82 1.29 0.07 79.15 04:11:01 PM all 59.15 0.00 2.78 1.29 0.10 36.68 04:11:01 PM 0 41.95 0.00 4.02 1.64 0.10 52.29 04:11:01 PM 1 62.96 0.00 2.41 1.50 0.10 33.03 04:11:01 PM 2 71.22 0.00 1.49 1.17 0.08 26.04 04:11:01 PM 3 60.47 0.00 3.19 0.87 0.12 35.35 04:12:01 PM all 36.67 0.00 7.60 1.20 0.08 54.46 04:12:01 PM 0 53.52 0.00 25.88 1.13 0.08 19.38 04:12:01 PM 1 25.15 0.00 2.27 2.97 0.10 69.50 04:12:01 PM 2 34.70 0.00 0.95 0.33 0.07 63.95 04:12:01 PM 3 33.29 0.00 1.28 0.35 0.05 65.03 04:13:01 PM all 28.05 0.00 4.73 2.32 0.08 64.82 04:13:01 PM 0 30.75 0.00 4.45 1.76 0.08 62.96 04:13:01 PM 1 30.30 0.00 3.72 3.02 0.08 62.88 04:13:01 PM 2 25.00 0.00 5.94 3.19 0.08 65.78 04:13:01 PM 3 26.15 0.00 4.80 1.31 0.07 67.66 04:14:01 PM all 7.68 0.00 1.72 0.03 0.06 90.50 04:14:01 PM 0 14.30 0.00 2.72 0.00 0.07 82.92 04:14:01 PM 1 3.95 0.00 1.05 0.02 0.07 94.91 04:14:01 PM 2 5.18 0.00 1.34 0.03 0.07 93.38 04:14:01 PM 3 7.29 0.00 1.77 0.08 0.05 90.81 04:15:01 PM all 20.77 0.00 1.63 0.11 0.08 77.41 04:15:01 PM 0 17.86 0.00 1.54 0.08 0.07 80.46 04:15:01 PM 1 18.77 0.00 1.65 0.10 0.10 79.38 04:15:01 PM 2 16.51 0.00 1.49 0.15 0.07 81.79 04:15:01 PM 3 29.95 0.00 1.84 0.12 0.07 68.03 Average: all 29.75 0.00 3.45 0.95 0.08 65.77 Average: 0 33.58 0.00 7.00 0.89 0.08 58.44 Average: 1 25.33 0.00 2.02 1.35 0.09 71.21 Average: 2 30.93 0.00 2.32 0.90 0.08 65.78 Average: 3 29.14 0.00 2.45 0.67 0.07 67.67