---> uname -a: Linux prd-centos8-docker-8c-8g-6159.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: 2800.000 BogoMIPS: 5600.00 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 1054 27076 19 3756 30371 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:cc:3b:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.236/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fecc:3b1f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:66:55:ea:f2 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::42:66ff:fe55:eaf2/64 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) 06/02/2026 _x86_64_ (8 CPU) 17:12:11 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 265.02 14.45 250.57 3118.15 15593.88 05:15:01 PM 438.90 7.08 431.82 1272.91 15550.95 05:16:01 PM 172.88 3.60 169.28 482.77 39904.10 Average: 292.27 8.38 283.89 1624.53 23683.43 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28718912 30833828 3934460 12.05 2688 2426168 1796044 5.33 202032 3244604 134456 05:15:01 PM 27503920 30123484 5149452 15.77 2688 2921236 2246904 6.67 417396 4202724 284960 05:16:01 PM 27796072 31169452 4857300 14.88 2688 3666996 1461404 4.34 821548 3481696 161024 Average: 28006301 30708921 4647071 14.23 2688 3004800 1834784 5.44 480325 3643008 193480 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 310.23 261.69 3132.08 58.59 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 569.81 465.64 7236.98 60.50 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 382.49 358.46 3661.32 2378.06 0.00 0.00 0.00 0.00 05:16:01 PM docker0 5.93 13.50 0.47 256.92 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 420.85 361.94 4676.88 832.43 0.00 0.00 0.00 0.00 Average: docker0 1.98 4.50 0.16 85.64 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) 06/02/2026 _x86_64_ (8 CPU) 17:12:11 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 15.74 0.00 1.41 0.94 0.07 81.84 05:14:01 PM 0 20.04 0.00 1.49 0.40 0.10 77.97 05:14:01 PM 1 13.48 0.00 1.39 1.04 0.07 84.03 05:14:01 PM 2 12.07 0.00 0.97 1.29 0.07 85.60 05:14:01 PM 3 14.58 0.00 1.02 0.49 0.07 83.85 05:14:01 PM 4 22.65 0.00 2.09 0.92 0.07 74.27 05:14:01 PM 5 11.84 0.00 1.39 1.97 0.05 84.75 05:14:01 PM 6 9.48 0.00 0.70 0.57 0.08 89.16 05:14:01 PM 7 21.80 0.00 2.21 0.84 0.07 75.09 05:15:01 PM all 29.46 0.00 1.89 1.06 0.10 67.49 05:15:01 PM 0 30.90 0.00 1.86 2.01 0.10 65.12 05:15:01 PM 1 21.04 0.00 1.96 0.57 0.10 76.33 05:15:01 PM 2 20.95 0.00 1.76 0.96 0.10 76.23 05:15:01 PM 3 33.94 0.00 1.56 0.62 0.12 63.76 05:15:01 PM 4 29.15 0.00 1.63 0.59 0.10 68.54 05:15:01 PM 5 36.19 0.00 2.05 0.70 0.10 60.96 05:15:01 PM 6 29.61 0.00 3.23 2.62 0.12 64.42 05:15:01 PM 7 33.91 0.00 1.04 0.40 0.10 64.54 05:16:01 PM all 15.98 0.00 2.39 0.71 0.07 80.84 05:16:01 PM 0 10.88 0.00 2.80 0.39 0.05 85.88 05:16:01 PM 1 12.35 0.00 2.13 0.74 0.08 84.70 05:16:01 PM 2 16.51 0.00 2.17 1.44 0.07 79.81 05:16:01 PM 3 24.18 0.00 2.58 0.84 0.08 72.32 05:16:01 PM 4 14.17 0.00 2.15 1.17 0.08 82.43 05:16:01 PM 5 6.03 0.00 1.80 0.24 0.07 91.87 05:16:01 PM 6 25.68 0.00 2.95 0.44 0.08 70.85 05:16:01 PM 7 18.07 0.00 2.53 0.45 0.07 78.88 Average: all 20.39 0.00 1.89 0.90 0.08 76.73 Average: 0 20.60 0.00 2.05 0.93 0.08 76.33 Average: 1 15.62 0.00 1.83 0.78 0.08 81.69 Average: 2 16.50 0.00 1.63 1.23 0.08 80.56 Average: 3 24.23 0.00 1.72 0.65 0.09 73.32 Average: 4 21.99 0.00 1.95 0.89 0.08 75.08 Average: 5 18.01 0.00 1.74 0.97 0.07 79.20 Average: 6 21.57 0.00 2.29 1.21 0.10 74.83 Average: 7 24.59 0.00 1.93 0.56 0.08 72.84