---> uname -a: Linux prd-centos8-docker-4c-4g-10300.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: 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 763 12173 19 2826 14664 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:05:ac:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.27/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe05:ac23/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:9c:45:56 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) 05/13/2026 _x86_64_ (4 CPU) 13:22:19 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 218.98 15.30 203.68 3277.55 10766.50 01:25:01 PM 151.26 6.17 145.09 1055.02 15099.43 01:26:01 PM 35.70 3.17 32.54 140.49 751.17 Average: 134.84 8.17 126.67 1480.97 8861.33 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12817300 14853552 3324232 20.59 2688 2243076 1331328 7.74 189612 2738584 183780 01:25:01 PM 11483236 13783556 4658296 28.86 2688 2503460 2392684 13.92 255072 3987072 1744 01:26:01 PM 12496060 15047912 3645472 22.58 2688 2753076 1097684 6.39 524656 2708140 264464 Average: 12265532 14561673 3876000 24.01 2688 2499871 1607232 9.35 323113 3144599 149996 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 182.94 142.16 2023.16 33.79 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 20.83 20.83 4.45 4.45 0.00 0.00 0.00 0.00 01:25:01 PM eth0 336.51 225.26 3675.21 46.09 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 7.61 7.61 1.59 1.59 0.00 0.00 0.00 0.00 01:26:01 PM eth0 68.49 72.68 277.55 926.76 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 9.53 9.53 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 196.05 146.72 1991.70 337.26 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) 05/13/2026 _x86_64_ (4 CPU) 13:22:19 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.11 0.00 2.55 1.15 0.09 70.10 01:24:01 PM 0 22.12 0.00 1.68 0.66 0.08 75.45 01:24:01 PM 1 35.69 0.00 3.59 1.91 0.09 58.73 01:24:01 PM 2 29.73 0.00 3.48 1.58 0.09 65.13 01:24:01 PM 3 16.91 0.00 1.46 0.44 0.09 81.09 01:25:01 PM all 49.74 0.00 1.81 0.77 0.08 47.60 01:25:01 PM 0 54.65 0.00 1.24 0.70 0.08 43.33 01:25:01 PM 1 53.71 0.00 1.33 0.15 0.08 44.72 01:25:01 PM 2 41.88 0.00 1.59 0.74 0.08 55.72 01:25:01 PM 3 48.70 0.00 3.08 1.51 0.08 46.63 01:26:01 PM all 16.02 0.00 1.48 0.15 0.08 82.28 01:26:01 PM 0 11.00 0.00 1.47 0.30 0.07 87.16 01:26:01 PM 1 19.92 0.00 1.50 0.08 0.07 78.43 01:26:01 PM 2 14.85 0.00 1.50 0.12 0.07 83.46 01:26:01 PM 3 18.30 0.00 1.45 0.10 0.10 80.05 Average: all 30.65 0.00 1.94 0.69 0.08 66.64 Average: 0 29.30 0.00 1.46 0.55 0.08 68.61 Average: 1 36.45 0.00 2.13 0.71 0.08 60.64 Average: 2 28.81 0.00 2.18 0.81 0.08 68.13 Average: 3 28.03 0.00 2.00 0.68 0.09 69.19