---> uname -a: Linux prd-centos8-docker-4c-4g-5434.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 817 12034 19 2908 14606 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:b8:75:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.191/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:feb8:752e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:59:ea:ce:f9 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) 07/06/2026 _x86_64_ (4 CPU) 01:24:43 LINUX RESTART (4 CPU) 01:25:01 AM tps rtps wtps bread/s bwrtn/s 01:26:01 AM 315.86 13.08 302.78 2417.59 7875.14 01:27:01 AM 266.70 18.59 248.11 4024.25 15710.73 01:28:01 AM 52.94 2.42 50.52 236.09 8796.57 01:29:01 AM 44.71 0.85 43.86 67.06 8758.92 Average: 170.07 8.73 161.33 1686.47 10285.69 01:25:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:26:01 AM 13240260 15012048 2899060 17.96 2688 1987128 1208748 7.03 139200 2405396 168544 01:27:01 AM 11858748 14229788 4280572 26.52 2688 2572064 1917092 11.15 222868 3634828 245324 01:28:01 AM 11262356 13644152 4876964 30.22 2688 2582420 2494164 14.51 250972 4196744 916 01:29:01 AM 12365028 14995144 3774292 23.39 2688 2828720 1168616 6.80 534620 2814196 24188 Average: 12181598 14470283 3957722 24.52 2688 2492583 1697155 9.87 286915 3262791 109743 01:25:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 AM eth0 434.32 222.84 1730.56 72.43 0.00 0.00 0.00 0.00 01:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 433.53 297.67 4973.98 60.00 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 24.20 24.20 5.00 5.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 30.11 18.18 9.99 16.71 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 4.63 4.63 1.07 1.07 0.00 0.00 0.00 0.00 01:29:01 AM eth0 54.82 48.19 278.95 18.57 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.21 7.21 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 238.22 146.74 1748.64 41.93 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) 07/06/2026 _x86_64_ (4 CPU) 01:24:43 LINUX RESTART (4 CPU) 01:25:01 AM CPU %user %nice %system %iowait %steal %idle 01:26:01 AM all 20.59 0.00 2.51 1.16 0.08 75.66 01:26:01 AM 0 26.48 0.00 4.53 3.23 0.10 65.66 01:26:01 AM 1 19.04 0.00 2.01 0.32 0.08 78.55 01:26:01 AM 2 10.20 0.00 1.12 0.54 0.07 88.07 01:26:01 AM 3 26.62 0.00 2.37 0.57 0.08 70.35 01:27:01 AM all 40.34 0.00 2.95 1.50 0.10 55.11 01:27:01 AM 0 42.97 0.00 2.01 0.77 0.08 54.17 01:27:01 AM 1 42.28 0.00 2.46 1.29 0.10 53.87 01:27:01 AM 2 34.17 0.00 3.50 2.13 0.10 60.09 01:27:01 AM 3 41.94 0.00 3.84 1.83 0.10 52.29 01:28:01 AM all 35.68 0.00 0.94 0.30 0.07 63.02 01:28:01 AM 0 30.19 0.00 1.17 0.72 0.08 67.84 01:28:01 AM 1 44.94 0.00 0.43 0.00 0.05 54.57 01:28:01 AM 2 32.99 0.00 0.87 0.28 0.07 65.79 01:28:01 AM 3 34.58 0.00 1.27 0.18 0.08 63.88 01:29:01 AM all 19.62 0.00 1.81 0.28 0.07 78.23 01:29:01 AM 0 32.93 0.00 2.17 0.78 0.07 64.05 01:29:01 AM 1 20.79 0.00 1.79 0.05 0.08 77.29 01:29:01 AM 2 10.89 0.00 1.92 0.15 0.08 86.95 01:29:01 AM 3 13.81 0.00 1.37 0.12 0.05 84.66 Average: all 29.05 0.00 2.05 0.81 0.08 68.01 Average: 0 33.14 0.00 2.47 1.38 0.08 62.93 Average: 1 31.77 0.00 1.67 0.41 0.08 66.07 Average: 2 22.06 0.00 1.85 0.77 0.08 75.23 Average: 3 29.23 0.00 2.21 0.67 0.08 67.81