---> uname -a: Linux prd-centos8-docker-4c-4g-13452.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 829 12026 19 2905 14594 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:e5:b4:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.42/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fee5:b44e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2e:16:b3:90 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) 08/18/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:03 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 269.88 19.27 250.61 4094.85 16135.12 01:26:01 PM 42.93 2.50 40.43 237.43 8448.64 01:27:01 PM 45.07 1.65 43.42 123.03 9399.33 Average: 117.61 7.68 109.93 1456.00 11274.13 01:24:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 11831228 14199300 4308092 26.69 2688 2569148 1956060 11.38 227244 3659640 244504 01:26:01 PM 11232892 13611808 4906428 30.40 2688 2579528 2538180 14.77 255716 4222160 904 01:27:01 PM 12336892 14966644 3802428 23.56 2688 2828072 1186900 6.91 566656 2811016 6832 Average: 11800337 14259251 4338983 26.88 2688 2658916 1893713 11.02 349872 3564272 84080 01:24:03 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 508.51 344.36 5103.07 73.31 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 25.21 25.21 5.09 5.09 0.00 0.00 0.00 0.00 01:26:01 PM eth0 27.38 19.10 14.33 16.91 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 3.87 3.87 1.00 1.00 0.00 0.00 0.00 0.00 01:27:01 PM eth0 84.27 82.49 282.43 935.15 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 9.80 9.80 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 203.36 146.47 1763.13 344.81 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) 08/18/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:03 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 39.84 0.00 3.05 1.44 0.10 55.57 01:25:01 PM 0 38.96 0.00 2.45 1.35 0.10 57.14 01:25:01 PM 1 36.32 0.00 3.42 1.28 0.10 58.88 01:25:01 PM 2 46.84 0.00 3.79 1.77 0.10 47.50 01:25:01 PM 3 37.25 0.00 2.55 1.35 0.10 58.75 01:26:01 PM all 28.48 0.00 0.71 0.25 0.08 70.49 01:26:01 PM 0 35.90 0.00 0.30 0.00 0.07 63.74 01:26:01 PM 1 26.73 0.00 1.00 0.23 0.08 71.95 01:26:01 PM 2 35.48 0.00 0.27 0.00 0.08 64.17 01:26:01 PM 3 15.79 0.00 1.25 0.75 0.07 82.14 01:27:01 PM all 24.48 0.00 1.96 0.29 0.08 73.20 01:27:01 PM 0 33.65 0.00 1.99 0.12 0.08 64.16 01:27:01 PM 1 20.49 0.00 1.79 0.62 0.08 77.02 01:27:01 PM 2 11.43 0.00 1.65 0.22 0.07 86.63 01:27:01 PM 3 32.34 0.00 2.40 0.20 0.07 64.99 Average: all 30.83 0.00 1.89 0.65 0.08 66.55 Average: 0 36.14 0.00 1.57 0.48 0.08 61.73 Average: 1 27.75 0.00 2.05 0.70 0.09 69.40 Average: 2 31.07 0.00 1.88 0.65 0.08 66.32 Average: 3 28.36 0.00 2.06 0.76 0.08 68.74