---> uname -a: Linux prd-centos8-docker-4c-4g-3088.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 776 12170 19 2816 14652 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:bf:b2:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.106/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86079sec preferred_lft 86079sec inet6 fe80::f816:3eff:febf:b242/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:59:94:9a:cd 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) 04/02/2026 _x86_64_ (4 CPU) 13:23:29 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 195.33 7.01 188.32 1114.05 6970.29 01:26:01 PM 136.59 14.93 121.66 3117.09 11722.96 01:27:01 PM 161.99 6.30 155.69 1081.15 9204.88 01:28:01 PM 30.44 0.47 29.97 16.13 862.56 Average: 131.09 7.18 123.91 1332.12 7190.09 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13280008 15054812 2861524 17.73 2688 1990132 1148852 6.68 141368 2367124 175916 01:26:01 PM 12991256 15006308 3150276 19.52 2688 2223920 1223848 7.12 186704 2576444 3912 01:27:01 PM 11415844 13706596 4725688 29.28 2688 2493988 2410712 14.02 255016 4055884 8440 01:28:01 PM 12488016 15018680 3653516 22.63 2688 2732528 1129148 6.57 349192 2893212 246304 Average: 12543781 14696599 3597751 22.29 2688 2360142 1478140 8.60 233070 2973166 108643 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 113.45 80.06 1237.35 32.78 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 101.62 74.71 966.11 20.40 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 11.73 11.73 3.42 3.42 0.00 0.00 0.00 0.00 01:27:01 PM eth0 328.25 233.33 3758.41 48.22 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 01:28:01 PM lo 17.68 17.68 2.69 2.69 0.00 0.00 0.00 0.00 01:28:01 PM eth0 53.88 43.82 269.28 20.62 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.35 7.35 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 149.29 107.97 1557.69 30.51 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) 04/02/2026 _x86_64_ (4 CPU) 13:23:29 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 17.23 0.00 1.88 2.23 0.08 78.58 01:25:01 PM 0 17.69 0.00 1.87 2.29 0.10 78.06 01:25:01 PM 1 18.37 0.00 1.89 2.04 0.05 77.65 01:25:01 PM 2 8.56 0.00 0.79 1.07 0.10 89.49 01:25:01 PM 3 24.32 0.00 2.96 3.53 0.08 69.10 01:26:01 PM all 14.61 0.00 1.67 2.04 0.08 81.60 01:26:01 PM 0 18.01 0.00 2.01 1.84 0.08 78.06 01:26:01 PM 1 12.67 0.00 1.82 2.88 0.10 82.53 01:26:01 PM 2 13.54 0.00 1.37 1.81 0.05 83.23 01:26:01 PM 3 14.21 0.00 1.49 1.62 0.08 82.59 01:27:01 PM all 57.13 0.00 2.48 1.25 0.17 38.96 01:27:01 PM 0 41.48 0.00 4.21 2.98 0.17 51.17 01:27:01 PM 1 68.78 0.00 1.09 0.48 0.17 29.49 01:27:01 PM 2 65.96 0.00 1.49 0.80 0.18 31.56 01:27:01 PM 3 52.26 0.00 3.14 0.75 0.17 43.68 01:28:01 PM all 13.84 0.00 1.06 0.14 0.06 84.90 01:28:01 PM 0 12.80 0.00 1.65 0.17 0.05 85.33 01:28:01 PM 1 11.16 0.00 1.02 0.05 0.07 87.70 01:28:01 PM 2 14.13 0.00 1.17 0.23 0.07 84.40 01:28:01 PM 3 17.28 0.00 0.40 0.10 0.05 82.17 Average: all 25.70 0.00 1.77 1.42 0.10 71.02 Average: 0 22.48 0.00 2.43 1.82 0.10 73.17 Average: 1 27.75 0.00 1.45 1.36 0.10 69.33 Average: 2 25.54 0.00 1.20 0.98 0.10 72.18 Average: 3 27.01 0.00 2.00 1.50 0.10 69.39