---> uname -a: Linux prd-centos8-docker-4c-4g-4938.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 749 12194 19 2818 14678 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:1e:d2:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.15/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe1e:d29b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:61:8b:c1:03 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) 03/25/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 158.06 15.13 142.94 3227.99 8977.99 01:25:01 PM 206.80 6.21 200.58 1055.56 16298.22 01:26:01 PM 25.19 0.45 24.74 15.99 721.89 Average: 130.03 7.26 122.76 1433.14 8666.88 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12881880 14882652 3259652 20.19 2688 2210436 1345316 7.83 158592 2719904 190064 01:25:01 PM 11531944 13824220 4609588 28.56 2688 2495636 2312128 13.45 253464 3939732 12096 01:26:01 PM 12567204 15099360 3574328 22.14 2688 2734412 1066504 6.20 348200 2813532 238952 Average: 12327009 14602077 3814523 23.63 2688 2480161 1574649 9.16 253419 3157723 147037 01:23:01 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 161.38 118.09 1682.35 24.91 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 7.89 7.89 0.84 0.84 0.00 0.00 0.00 0.00 01:25:01 PM eth0 692.02 378.65 4094.54 106.57 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 21.26 21.26 5.25 5.25 0.00 0.00 0.00 0.00 01:26:01 PM eth0 68.74 51.72 273.84 28.00 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 9.72 9.72 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 307.42 182.84 2017.14 53.17 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) 03/25/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.56 0.00 2.22 1.22 0.08 74.91 01:24:01 PM 0 22.46 0.00 2.62 1.25 0.10 73.56 01:24:01 PM 1 21.46 0.00 2.04 1.35 0.07 75.08 01:24:01 PM 2 32.10 0.00 3.09 1.24 0.08 63.49 01:24:01 PM 3 10.21 0.00 1.14 1.05 0.08 87.51 01:25:01 PM all 56.87 0.00 2.35 2.22 0.12 38.44 01:25:01 PM 0 65.96 0.00 2.06 1.12 0.12 30.75 01:25:01 PM 1 45.80 0.00 2.95 4.70 0.13 46.42 01:25:01 PM 2 61.42 0.00 1.94 1.42 0.12 35.10 01:25:01 PM 3 54.29 0.00 2.44 1.64 0.12 41.51 01:26:01 PM all 15.66 0.00 1.11 0.29 0.06 82.88 01:26:01 PM 0 13.65 0.00 1.71 0.28 0.07 84.30 01:26:01 PM 1 20.01 0.00 0.87 0.08 0.05 78.99 01:26:01 PM 2 15.55 0.00 1.15 0.12 0.05 83.13 01:26:01 PM 3 13.43 0.00 0.72 0.69 0.07 85.10 Average: all 31.36 0.00 1.89 1.25 0.09 65.42 Average: 0 34.02 0.00 2.13 0.89 0.09 62.87 Average: 1 29.08 0.00 1.95 2.04 0.08 66.84 Average: 2 36.34 0.00 2.06 0.92 0.08 60.59 Average: 3 25.98 0.00 1.43 1.13 0.09 71.37