---> uname -a: Linux prd-centos8-docker-8c-8g-4677.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: 2799.934 BogoMIPS: 5599.86 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 27160 19 3673 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:bb:9e:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.202/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:febb:9ea2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:70:37:5c 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::42:87ff:fe70:375c/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) 04/21/2026 _x86_64_ (8 CPU) 17:12:27 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 158.92 14.40 144.53 3121.75 9559.19 05:15:01 PM 478.12 5.78 472.34 1235.93 16139.58 05:16:01 PM 257.49 2.38 255.11 385.81 44484.67 Average: 298.17 7.52 290.65 1581.03 23396.82 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 29175284 31083004 3480428 10.66 2688 2226416 1593096 4.73 157236 2867468 197776 05:15:01 PM 28137284 30499900 4518428 13.84 2688 2670460 1945844 5.77 267848 3748360 250192 05:16:01 PM 26593484 29806900 6062228 18.56 2688 3510508 2576452 7.64 638648 4877828 74968 Average: 27968684 30463268 4687028 14.35 2688 2802461 2038464 6.05 354577 3831219 174312 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 150.44 118.43 1850.55 37.98 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 531.98 444.73 6410.15 61.08 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 543.73 451.87 6323.60 1106.61 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.60 13.86 0.50 257.68 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 408.73 338.36 4861.60 401.97 0.00 0.00 0.00 0.00 Average: docker0 2.20 4.62 0.17 85.91 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) 04/21/2026 _x86_64_ (8 CPU) 17:12:27 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 10.04 0.00 1.00 0.44 0.05 88.47 05:14:01 PM 0 13.89 0.00 1.02 0.32 0.07 84.71 05:14:01 PM 1 13.56 0.00 0.95 0.38 0.05 85.05 05:14:01 PM 2 8.35 0.00 0.87 0.27 0.05 90.47 05:14:01 PM 3 7.14 0.00 0.74 0.55 0.05 91.53 05:14:01 PM 4 16.43 0.00 1.82 0.27 0.07 81.41 05:14:01 PM 5 3.32 0.00 0.92 0.67 0.05 95.04 05:14:01 PM 6 12.97 0.00 1.07 0.57 0.05 85.34 05:14:01 PM 7 4.61 0.00 0.62 0.48 0.05 94.23 05:15:01 PM all 23.89 0.00 1.55 1.12 0.09 73.35 05:15:01 PM 0 30.12 0.00 1.17 0.45 0.08 68.17 05:15:01 PM 1 27.77 0.00 2.76 3.67 0.08 65.71 05:15:01 PM 2 14.58 0.00 1.31 0.40 0.10 83.61 05:15:01 PM 3 34.03 0.00 2.14 1.61 0.10 62.12 05:15:01 PM 4 21.14 0.00 1.16 0.55 0.08 77.07 05:15:01 PM 5 23.55 0.00 1.21 0.94 0.08 74.23 05:15:01 PM 6 20.64 0.00 1.31 0.94 0.08 77.04 05:15:01 PM 7 19.30 0.00 1.37 0.37 0.08 78.88 05:16:01 PM all 21.66 0.00 2.75 0.82 0.08 74.69 05:16:01 PM 0 14.74 0.00 2.99 0.76 0.08 81.43 05:16:01 PM 1 16.61 0.00 2.66 0.99 0.08 79.66 05:16:01 PM 2 14.34 0.00 2.37 1.21 0.07 82.01 05:16:01 PM 3 22.85 0.00 3.39 0.97 0.08 72.70 05:16:01 PM 4 25.46 0.00 3.31 1.45 0.08 69.69 05:16:01 PM 5 30.15 0.00 2.72 0.60 0.08 66.44 05:16:01 PM 6 29.15 0.00 1.93 0.32 0.07 68.54 05:16:01 PM 7 19.92 0.00 2.63 0.27 0.08 77.10 Average: all 18.52 0.00 1.77 0.79 0.07 78.85 Average: 0 19.59 0.00 1.72 0.51 0.08 78.10 Average: 1 19.32 0.00 2.12 1.68 0.07 76.81 Average: 2 12.42 0.00 1.51 0.63 0.07 85.37 Average: 3 21.33 0.00 2.09 1.04 0.08 75.46 Average: 4 21.00 0.00 2.09 0.75 0.08 76.07 Average: 5 18.99 0.00 1.61 0.74 0.07 78.59 Average: 6 20.91 0.00 1.43 0.61 0.07 76.98 Average: 7 14.59 0.00 1.54 0.37 0.07 83.43