---> uname -a: Linux prd-centos8-docker-8c-8g-3102.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1050 27074 19 3762 30375 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:13:fd:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.74/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe13:fdc0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:da:1f:1c:7b 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:daff:fe1f:1c7b/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) 06/27/2026 _x86_64_ (8 CPU) 17:11:57 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 228.79 14.50 214.30 3222.39 16042.04 05:15:01 PM 468.31 6.38 461.92 1208.07 14129.86 05:16:01 PM 174.56 3.35 171.21 447.32 39912.95 Average: 290.54 8.08 282.47 1625.95 23362.13 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28819632 30931580 3833732 11.74 2688 2423568 1802816 5.35 196424 3147900 123472 05:15:01 PM 27554676 30179936 5098688 15.61 2688 2927208 2148144 6.37 417236 4151876 284412 05:16:01 PM 27688356 31072936 4965008 15.21 2688 3678652 1531328 4.54 823560 3586036 168504 Average: 28020888 30728151 4632476 14.19 2688 3009809 1827429 5.42 479073 3628604 192129 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 267.21 226.14 2860.56 55.08 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 571.19 467.81 7399.58 61.18 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 370.79 355.58 3673.38 2379.16 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.63 14.73 0.50 259.94 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 403.05 349.84 4644.36 831.85 0.00 0.00 0.00 0.00 Average: docker0 2.21 4.91 0.17 86.65 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) 06/27/2026 _x86_64_ (8 CPU) 17:11:57 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 13.03 0.00 1.14 0.72 0.06 85.05 05:14:01 PM 0 6.37 0.00 0.90 0.97 0.07 91.69 05:14:01 PM 1 35.04 0.00 1.80 0.67 0.08 62.41 05:14:01 PM 2 12.94 0.00 1.59 1.04 0.07 84.37 05:14:01 PM 3 13.42 0.00 0.70 0.25 0.05 85.58 05:14:01 PM 4 7.65 0.00 1.07 0.90 0.07 90.31 05:14:01 PM 5 10.90 0.00 1.05 0.72 0.08 87.24 05:14:01 PM 6 11.65 0.00 1.09 0.55 0.05 86.66 05:14:01 PM 7 6.22 0.00 0.89 0.64 0.05 92.21 05:15:01 PM all 29.09 0.00 1.82 1.25 0.09 67.75 05:15:01 PM 0 33.04 0.00 1.68 0.60 0.10 64.58 05:15:01 PM 1 35.09 0.00 1.32 0.84 0.10 62.65 05:15:01 PM 2 30.97 0.00 1.54 1.31 0.08 66.10 05:15:01 PM 3 27.75 0.00 1.65 0.81 0.10 69.70 05:15:01 PM 4 22.23 0.00 1.32 0.13 0.08 76.23 05:15:01 PM 5 19.14 0.00 2.08 1.17 0.08 77.52 05:15:01 PM 6 31.08 0.00 3.16 4.08 0.10 61.58 05:15:01 PM 7 33.37 0.00 1.84 1.07 0.10 63.61 05:16:01 PM all 16.29 0.00 2.24 0.72 0.08 80.67 05:16:01 PM 0 10.41 0.00 2.01 0.27 0.07 87.25 05:16:01 PM 1 20.36 0.00 2.51 1.17 0.08 75.87 05:16:01 PM 2 23.92 0.00 3.17 1.71 0.08 71.12 05:16:01 PM 3 16.32 0.00 2.53 1.04 0.08 80.03 05:16:01 PM 4 12.03 0.00 1.98 0.18 0.07 85.75 05:16:01 PM 5 14.05 0.00 1.91 0.64 0.07 83.33 05:16:01 PM 6 16.75 0.00 1.95 0.44 0.08 80.78 05:16:01 PM 7 16.50 0.00 1.86 0.34 0.07 81.24 Average: all 19.46 0.00 1.73 0.90 0.08 77.83 Average: 0 16.60 0.00 1.53 0.61 0.08 81.18 Average: 1 30.17 0.00 1.88 0.89 0.09 66.97 Average: 2 22.60 0.00 2.10 1.35 0.08 73.87 Average: 3 19.15 0.00 1.62 0.70 0.08 78.45 Average: 4 13.97 0.00 1.46 0.41 0.07 84.10 Average: 5 14.70 0.00 1.68 0.84 0.08 82.70 Average: 6 19.81 0.00 2.06 1.69 0.08 76.36 Average: 7 18.69 0.00 1.53 0.68 0.07 79.03