---> uname -a: Linux prd-centos8-docker-4c-4g-17646.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): 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 888 11713 19 3159 14523 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:f0:25:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.1/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fef0:25e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1b:83:c6:60 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::42:1bff:fe83:c660/64 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) 06/18/2026 _x86_64_ (4 CPU) 14:05:58 LINUX RESTART (4 CPU) 02:07:01 PM tps rtps wtps bread/s bwrtn/s 02:08:01 PM 224.30 6.65 217.66 785.61 16268.75 02:09:01 PM 165.76 2.03 163.72 2875.39 15729.00 02:10:01 PM 118.99 3.23 115.76 466.51 16049.17 Average: 169.69 3.97 165.72 1375.72 16015.67 02:07:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:08:01 PM 12225412 14337812 3913900 24.25 2688 2315324 2157636 12.55 183828 3314284 76860 02:09:01 PM 12312392 14980188 3826920 23.71 2688 2864044 1366740 7.95 334132 3056460 133744 02:10:01 PM 12020244 14897856 4119068 25.52 2688 3058316 1254812 7.30 641732 2975752 8492 Average: 12186016 14738619 3953296 24.49 2688 2745895 1593063 9.27 386564 3115499 73032 02:07:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:08:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:08:01 PM eth0 288.04 231.37 2349.99 55.01 0.00 0.00 0.00 0.00 02:08:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:09:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:09:01 PM eth0 262.89 173.39 3655.59 29.62 0.00 0.00 0.00 0.00 02:09:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:10:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:10:01 PM eth0 86.54 94.02 36.45 1046.98 0.00 0.00 0.00 0.00 02:10:01 PM docker0 34.87 28.27 518.40 3.98 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 212.49 166.26 2013.94 377.20 0.00 0.00 0.00 0.00 Average: docker0 11.62 9.42 172.80 1.33 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) 06/18/2026 _x86_64_ (4 CPU) 14:05:58 LINUX RESTART (4 CPU) 02:07:01 PM CPU %user %nice %system %iowait %steal %idle 02:08:01 PM all 41.43 0.00 2.67 1.21 0.12 54.58 02:08:01 PM 0 40.59 0.00 2.27 1.49 0.12 55.53 02:08:01 PM 1 32.34 0.00 2.21 0.64 0.12 64.70 02:08:01 PM 2 49.17 0.00 3.49 1.60 0.12 45.61 02:08:01 PM 3 43.60 0.00 2.70 1.10 0.12 52.49 02:09:01 PM all 40.73 0.00 3.19 2.11 0.10 53.87 02:09:01 PM 0 40.96 0.00 3.90 0.99 0.12 54.04 02:09:01 PM 1 42.82 0.00 2.34 1.44 0.10 53.30 02:09:01 PM 2 45.71 0.00 3.05 1.76 0.08 49.40 02:09:01 PM 3 33.41 0.00 3.47 4.28 0.10 58.74 02:10:01 PM all 19.46 0.00 3.08 0.63 0.08 76.74 02:10:01 PM 0 17.36 0.00 3.01 0.52 0.07 79.04 02:10:01 PM 1 23.81 0.00 3.89 1.01 0.10 71.20 02:10:01 PM 2 27.62 0.00 3.23 0.55 0.08 68.51 02:10:01 PM 3 9.04 0.00 2.17 0.45 0.08 88.25 Average: all 33.88 0.00 2.98 1.32 0.10 61.72 Average: 0 32.97 0.00 3.06 1.00 0.10 62.87 Average: 1 33.00 0.00 2.81 1.03 0.11 63.06 Average: 2 40.84 0.00 3.26 1.31 0.09 54.50 Average: 3 28.70 0.00 2.78 1.95 0.10 66.47