---> uname -a: Linux prd-centos8-docker-4c-4g-5495.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 839 12160 19 2763 14589 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:cf:38:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.154/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fecf:389d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1e:25:c8:04 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/05/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 232.14 15.10 217.05 3252.19 10892.60 01:25:01 PM 141.01 6.22 134.79 1056.09 13055.31 01:26:01 PM 36.23 1.43 34.79 91.18 884.20 Average: 135.93 7.54 128.39 1456.61 8262.91 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12657436 14769468 3484096 21.58 2688 2317848 1421664 8.27 185576 2897888 261816 01:25:01 PM 11097316 13335380 5044216 31.25 2688 2440800 2902344 16.88 250232 4371964 1620 01:26:01 PM 12487816 14973988 3653716 22.64 2688 2686684 1212844 7.06 520444 2716412 261504 Average: 12080856 14359612 4060676 25.16 2688 2481777 1845617 10.74 318751 3328755 174980 01:23:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 305.24 225.50 3924.91 46.03 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 21.56 21.56 4.52 4.52 0.00 0.00 0.00 0.00 01:25:01 PM eth0 203.63 143.03 1395.57 47.10 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 7.17 7.17 1.55 1.55 0.00 0.00 0.00 0.00 01:26:01 PM eth0 66.19 74.42 274.51 927.31 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 Average: lo 9.63 9.63 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 191.06 147.22 1853.61 341.77 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/05/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.63 0.00 2.61 1.99 0.09 68.68 01:24:01 PM 0 27.59 0.00 2.52 2.50 0.10 67.30 01:24:01 PM 1 18.34 0.00 2.16 1.77 0.09 77.65 01:24:01 PM 2 39.97 0.00 3.75 1.47 0.09 54.74 01:24:01 PM 3 20.63 0.00 2.01 2.23 0.09 75.04 01:25:01 PM all 47.31 0.00 1.63 1.74 0.10 49.22 01:25:01 PM 0 46.87 0.00 2.41 1.79 0.10 48.84 01:25:01 PM 1 39.04 0.00 1.79 3.40 0.10 55.67 01:25:01 PM 2 46.94 0.00 1.17 0.77 0.10 51.03 01:25:01 PM 3 56.38 0.00 1.14 1.02 0.08 41.39 01:26:01 PM all 16.41 0.00 1.46 0.13 0.06 81.94 01:26:01 PM 0 17.03 0.00 1.65 0.07 0.07 81.19 01:26:01 PM 1 9.76 0.00 1.54 0.27 0.05 88.39 01:26:01 PM 2 19.73 0.00 1.39 0.15 0.07 78.67 01:26:01 PM 3 19.12 0.00 1.27 0.03 0.05 79.53 Average: all 30.13 0.00 1.89 1.28 0.08 66.61 Average: 0 30.50 0.00 2.19 1.44 0.09 65.78 Average: 1 22.39 0.00 1.83 1.81 0.08 73.89 Average: 2 35.52 0.00 2.09 0.79 0.08 61.52 Average: 3 32.12 0.00 1.47 1.09 0.07 65.25