---> uname -a: Linux prd-centos8-docker-4c-4g-4611.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: 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): 0-3 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 788 12064 19 2907 14635 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:02:12:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.180/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe02:1291/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e5:db:85:ed 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/02/2026 _x86_64_ (4 CPU) 13:22:57 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 272.54 16.49 256.05 3824.73 16573.49 01:26:01 PM 57.62 4.58 53.04 370.61 8781.48 01:27:01 PM 50.88 3.22 47.67 141.29 3525.71 Average: 127.01 8.10 118.91 1445.48 9626.85 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12262588 14622044 3876732 24.02 2688 2560812 1703396 9.91 214748 3243604 243324 01:26:01 PM 11299584 13680608 4839736 29.99 2688 2581612 2482872 14.45 255340 4156052 1084 01:27:01 PM 12322760 14954560 3816560 23.65 2688 2830204 1243084 7.23 531492 2859156 188152 Average: 11961644 14419071 4177676 25.89 2688 2657543 1809784 10.53 333860 3419604 144187 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 419.81 298.35 4926.08 58.74 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 25.07 25.07 5.07 5.07 0.00 0.00 0.00 0.00 01:26:01 PM eth0 37.05 30.38 102.64 19.21 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 5.20 5.20 1.15 1.15 0.00 0.00 0.00 0.00 01:27:01 PM eth0 68.68 75.57 278.69 927.57 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.09 10.09 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 175.17 134.76 1769.05 335.15 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 07/02/2026 _x86_64_ (4 CPU) 13:22:57 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 35.56 0.00 3.14 1.55 0.11 59.64 01:25:01 PM 0 40.92 0.00 2.78 0.87 0.12 55.31 01:25:01 PM 1 25.72 0.00 3.05 1.69 0.10 69.44 01:25:01 PM 2 34.17 0.00 3.56 2.58 0.10 59.59 01:25:01 PM 3 41.42 0.00 3.18 1.05 0.12 54.23 01:26:01 PM all 41.33 0.00 1.07 0.54 0.33 56.74 01:26:01 PM 0 49.31 0.00 0.75 0.71 0.78 48.45 01:26:01 PM 1 48.34 0.00 0.52 0.00 0.25 50.89 01:26:01 PM 2 40.55 0.00 1.45 0.69 0.13 57.18 01:26:01 PM 3 26.88 0.00 1.57 0.76 0.14 70.66 01:27:01 PM all 19.51 0.00 1.61 0.29 0.06 78.53 01:27:01 PM 0 23.81 0.00 2.78 0.80 0.07 72.55 01:27:01 PM 1 21.94 0.00 1.74 0.15 0.07 76.11 01:27:01 PM 2 10.96 0.00 0.87 0.13 0.05 87.99 01:27:01 PM 3 21.31 0.00 1.07 0.07 0.07 77.49 Average: all 32.13 0.00 1.94 0.79 0.17 64.97 Average: 0 38.04 0.00 2.10 0.80 0.32 58.74 Average: 1 32.02 0.00 1.76 0.61 0.14 65.47 Average: 2 28.56 0.00 1.96 1.13 0.09 68.25 Average: 3 29.88 0.00 1.94 0.63 0.11 67.45