---> uname -a: Linux prd-centos8-docker-8c-8g-18387.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1085 26315 19 4487 30333 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:96:63:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.139/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:fe96:631f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:40:ee:aa:ba 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::42:40ff:feee:aaba/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/20/2026 _x86_64_ (8 CPU) 07:31:09 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 286.22 16.74 269.48 3302.90 16921.63 07:34:01 AM 177.61 3.02 174.59 1436.59 40918.66 07:35:01 AM 215.48 16.16 199.32 5113.31 2345.41 Average: 226.43 11.97 214.46 3284.37 20060.92 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28473812 30749824 4179560 12.80 2688 2586656 1853564 5.50 200536 3485904 291676 07:34:01 AM 26122444 29324944 6530928 20.00 2688 3495216 4079180 12.10 309144 5654100 148 07:35:01 AM 26927320 31040508 5726052 17.54 2688 4399848 1535916 4.56 745972 4404984 757780 Average: 27174525 30371759 5478847 16.78 2688 3493907 2489553 7.39 418551 4514996 349868 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 437.02 340.57 5761.53 65.83 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1616.06 448.83 7792.56 38.39 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 07:34:01 AM veth18b935e 0.00 0.17 0.00 0.02 0.00 0.00 0.00 0.00 07:35:01 AM lo 13.01 13.01 1.36 1.36 0.00 0.00 0.00 0.00 07:35:01 AM eth0 169.00 137.90 1717.01 35.46 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.81 5.85 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.34 4.34 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 740.66 309.09 5090.18 46.56 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.98 0.22 0.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/20/2026 _x86_64_ (8 CPU) 07:31:09 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 15.54 0.00 1.63 0.89 0.07 81.87 07:33:01 AM 0 9.70 0.00 0.94 0.58 0.08 88.69 07:33:01 AM 1 34.19 0.00 2.91 1.97 0.07 60.87 07:33:01 AM 2 7.75 0.00 1.89 1.54 0.07 88.76 07:33:01 AM 3 10.27 0.00 1.27 0.67 0.10 87.68 07:33:01 AM 4 16.47 0.00 1.62 0.77 0.05 81.09 07:33:01 AM 5 19.11 0.00 1.92 0.65 0.05 78.27 07:33:01 AM 6 13.61 0.00 1.34 0.45 0.05 84.56 07:33:01 AM 7 13.22 0.00 1.17 0.50 0.07 85.04 07:34:01 AM all 30.82 0.00 2.50 0.87 0.08 65.72 07:34:01 AM 0 24.09 0.00 2.47 0.54 0.08 72.82 07:34:01 AM 1 37.06 0.00 1.92 2.25 0.07 58.71 07:34:01 AM 2 24.16 0.00 2.60 0.90 0.08 72.25 07:34:01 AM 3 16.62 0.00 2.93 0.49 0.08 79.88 07:34:01 AM 4 21.13 0.00 1.86 0.29 0.10 76.62 07:34:01 AM 5 43.36 0.00 2.59 0.64 0.08 53.32 07:34:01 AM 6 40.87 0.00 2.16 0.86 0.08 56.02 07:34:01 AM 7 39.33 0.00 3.48 0.98 0.08 56.13 07:35:01 AM all 25.13 0.29 2.65 0.56 0.08 71.29 07:35:01 AM 0 25.97 0.03 2.93 0.45 0.08 70.53 07:35:01 AM 1 26.42 0.02 2.45 0.07 0.08 70.97 07:35:01 AM 2 26.48 0.40 2.79 0.32 0.08 69.93 07:35:01 AM 3 21.59 0.00 3.30 2.72 0.07 72.32 07:35:01 AM 4 22.42 1.81 2.30 0.27 0.07 73.13 07:35:01 AM 5 29.66 0.05 2.18 0.10 0.07 67.94 07:35:01 AM 6 24.77 0.00 2.70 0.22 0.07 72.25 07:35:01 AM 7 23.76 0.00 2.53 0.37 0.08 73.26 Average: all 23.81 0.10 2.26 0.77 0.08 72.98 Average: 0 19.91 0.01 2.11 0.52 0.08 77.36 Average: 1 32.55 0.01 2.42 1.43 0.07 63.52 Average: 2 19.44 0.13 2.43 0.92 0.08 77.00 Average: 3 16.15 0.00 2.50 1.29 0.08 79.97 Average: 4 20.00 0.60 1.93 0.44 0.07 76.95 Average: 5 30.68 0.02 2.23 0.46 0.07 66.54 Average: 6 26.37 0.00 2.06 0.51 0.07 71.00 Average: 7 25.39 0.00 2.39 0.62 0.08 71.52