---> uname -a: Linux prd-centos8-docker-4c-4g-18846.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: 2799.996 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 811 12044 19 2904 14611 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:54:43:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.246/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe54:4310/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3c:30:a2:b9 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) 06/22/2026 _x86_64_ (4 CPU) 01:25:48 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 208.68 20.69 187.99 5502.32 7898.97 01:28:01 AM 272.37 18.45 253.92 3941.92 16085.96 01:29:01 AM 47.53 2.50 45.03 237.39 8416.78 01:30:01 AM 51.39 0.87 50.52 67.19 9394.68 Average: 145.01 10.63 134.39 2437.49 10449.85 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 13349260 15118648 2790052 17.29 2688 1984752 1092432 6.36 139632 2295976 168264 01:28:01 AM 11784764 14151044 4354548 26.98 2688 2567508 2050784 11.93 224848 3706324 237164 01:29:01 AM 11309792 13686872 4829520 29.92 2688 2577892 2443236 14.21 251824 4149320 908 01:30:01 AM 12330536 14956484 3808776 23.60 2688 2824212 1198160 6.97 535456 2846948 8504 Average: 12193588 14478262 3945724 24.45 2688 2488591 1696153 9.87 287940 3249642 103710 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 391.87 213.55 1718.17 71.71 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 456.97 310.99 5010.83 66.17 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 24.63 24.63 5.04 5.04 0.00 0.00 0.00 0.00 01:29:01 AM eth0 37.87 24.41 12.08 25.61 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 01:30:01 AM lo 4.12 4.12 1.02 1.02 0.00 0.00 0.00 0.00 01:30:01 AM eth0 61.97 52.94 282.04 19.67 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.18 7.18 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 237.21 150.50 1756.25 45.79 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) 06/22/2026 _x86_64_ (4 CPU) 01:25:48 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 24.90 0.00 3.01 1.00 0.09 71.00 01:27:01 AM 0 22.92 0.00 2.71 0.20 0.08 74.09 01:27:01 AM 1 25.09 0.00 3.15 0.82 0.08 70.85 01:27:01 AM 2 33.61 0.00 2.86 1.00 0.10 62.43 01:27:01 AM 3 17.95 0.00 3.32 1.99 0.08 76.65 01:28:01 AM all 41.40 0.00 2.99 1.42 0.13 54.05 01:28:01 AM 0 41.84 0.00 3.95 0.97 0.15 53.09 01:28:01 AM 1 40.78 0.00 2.35 1.05 0.13 55.68 01:28:01 AM 2 38.42 0.00 2.79 1.76 0.13 56.89 01:28:01 AM 3 44.56 0.00 2.88 1.91 0.12 50.54 01:29:01 AM all 30.03 0.00 0.80 0.26 0.08 68.83 01:29:01 AM 0 37.06 0.00 0.55 0.00 0.08 62.30 01:29:01 AM 1 16.22 0.00 1.17 0.77 0.08 81.76 01:29:01 AM 2 29.71 0.00 1.04 0.27 0.07 68.92 01:29:01 AM 3 37.07 0.00 0.45 0.02 0.10 62.37 01:30:01 AM all 20.16 0.00 1.75 0.36 0.08 77.64 01:30:01 AM 0 23.73 0.00 1.94 0.53 0.08 73.71 01:30:01 AM 1 32.32 0.00 2.24 0.33 0.10 65.01 01:30:01 AM 2 13.82 0.00 0.85 0.35 0.08 84.90 01:30:01 AM 3 10.74 0.00 1.99 0.22 0.07 86.99 Average: all 29.12 0.00 2.14 0.76 0.10 67.88 Average: 0 31.39 0.00 2.28 0.43 0.10 65.80 Average: 1 28.61 0.00 2.23 0.74 0.10 68.32 Average: 2 28.89 0.00 1.89 0.84 0.10 68.28 Average: 3 27.58 0.00 2.16 1.03 0.09 69.13