---> uname -a: Linux prd-centos8-docker-4c-4g-11778.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 796 12056 19 2908 14627 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:17:0d:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.121/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe17:d5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:5a:cc:df 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) 07/24/2026 _x86_64_ (4 CPU) 13:23:26 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 139.58 15.05 124.53 3146.81 9842.79 01:26:01 PM 219.71 5.86 213.84 1065.73 17587.19 01:27:01 PM 21.25 0.55 20.70 16.80 1849.14 01:28:01 PM 60.01 1.65 58.36 123.03 9685.37 Average: 110.14 5.78 104.37 1088.05 9741.78 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12826132 14905592 3313188 20.53 2688 2287376 1497972 8.72 157564 2767468 250236 01:26:01 PM 11573116 13953100 4566204 28.29 2688 2580704 2160684 12.57 248832 3890380 48428 01:27:01 PM 11357708 13741420 4781612 29.63 2688 2584156 2317032 13.48 255796 4099388 1420 01:28:01 PM 12312004 14945636 3827316 23.71 2688 2831776 1237588 7.20 540172 2861808 9344 Average: 12017240 14386437 4122080 25.54 2688 2571003 1803319 10.49 300591 3404761 77357 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 134.79 91.83 1941.54 20.68 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 3.65 3.65 0.38 0.38 0.00 0.00 0.00 0.00 01:26:01 PM eth0 353.22 256.49 4108.35 48.85 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 25.43 25.43 5.72 5.72 0.00 0.00 0.00 0.00 01:27:01 PM eth0 26.73 16.16 12.59 21.82 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 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 01:28:01 PM eth0 65.41 75.26 283.11 924.40 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 7.32 7.32 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 145.05 109.95 1586.56 253.95 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) 07/24/2026 _x86_64_ (4 CPU) 13:23:26 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 21.35 0.00 2.05 1.05 0.08 75.48 01:25:01 PM 0 37.50 0.00 2.97 1.39 0.08 58.05 01:25:01 PM 1 15.25 0.00 1.89 0.74 0.08 82.04 01:25:01 PM 2 20.43 0.00 2.03 1.22 0.10 76.23 01:25:01 PM 3 12.18 0.00 1.29 0.84 0.07 85.62 01:26:01 PM all 50.83 0.00 2.61 4.08 0.14 42.33 01:26:01 PM 0 54.56 0.00 2.81 3.18 0.17 39.29 01:26:01 PM 1 48.32 0.00 2.36 3.95 0.13 45.23 01:26:01 PM 2 57.36 0.00 2.31 2.44 0.12 37.77 01:26:01 PM 3 43.05 0.00 2.96 6.76 0.15 47.07 01:27:01 PM all 17.48 0.00 0.69 0.13 0.06 81.63 01:27:01 PM 0 18.67 0.00 0.77 0.00 0.07 80.49 01:27:01 PM 1 16.24 0.00 0.77 0.03 0.07 82.89 01:27:01 PM 2 21.86 0.00 0.50 0.05 0.07 77.52 01:27:01 PM 3 13.14 0.00 0.72 0.45 0.05 85.64 01:28:01 PM all 21.47 0.00 1.93 1.33 0.08 75.20 01:28:01 PM 0 21.23 0.00 1.23 0.27 0.08 77.18 01:28:01 PM 1 22.60 0.00 2.17 1.91 0.08 73.24 01:28:01 PM 2 29.17 0.00 2.47 1.27 0.08 67.01 01:28:01 PM 3 12.86 0.00 1.82 1.89 0.07 83.36 Average: all 27.78 0.00 1.82 1.65 0.09 68.67 Average: 0 32.98 0.00 1.95 1.21 0.10 63.77 Average: 1 25.60 0.00 1.80 1.66 0.09 70.85 Average: 2 32.20 0.00 1.83 1.25 0.09 64.63 Average: 3 20.30 0.00 1.70 2.48 0.08 75.43