---> uname -a: Linux prd-centos8-docker-4c-4g-5.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: 2799.998 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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: 15761 760 12091 20 2908 14661 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:25:51:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.220/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fe25:51ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:06:65:1a:cf 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) 11/02/2026 _x86_64_ (4 CPU) 09:20:48 LINUX RESTART (4 CPU) 09:22:01 AM tps rtps wtps bread/s bwrtn/s 09:23:01 AM 60.08 0.33 59.75 32.52 4690.69 09:24:01 AM 141.29 14.68 126.61 3180.00 14321.36 09:25:01 AM 149.69 1.68 148.01 709.51 3424.14 09:26:01 AM 53.21 4.58 48.63 370.82 7097.70 Average: 101.07 5.32 95.75 1073.05 7382.99 09:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:23:01 AM 13325108 15112172 2814208 17.44 2688 2003608 1108592 6.45 140412 2318892 174080 09:24:01 AM 12912884 15011780 3226432 19.99 2688 2305528 1415736 8.24 181244 2646864 21832 09:25:01 AM 12325256 14682404 3814060 23.63 2688 2558568 1398016 8.13 204644 3190352 182368 09:26:01 AM 11821888 14331772 4317428 26.75 2688 2709540 1720468 10.01 288276 3601844 131600 Average: 12596284 14784532 3543032 21.95 2688 2394311 1410703 8.21 203644 2939488 127470 09:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 AM eth0 77.86 51.53 909.81 18.53 0.00 0.00 0.00 0.00 09:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 AM eth0 109.83 74.72 1083.69 27.52 0.00 0.00 0.00 0.00 09:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 AM eth0 370.38 279.94 3707.26 61.20 0.00 0.00 0.00 0.00 09:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 AM lo 31.56 31.56 8.27 8.27 0.00 0.00 0.00 0.00 09:26:01 AM eth0 129.03 100.75 381.83 59.06 0.00 0.00 0.00 0.00 09:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.89 7.89 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 171.78 126.74 1520.66 41.58 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) 11/02/2026 _x86_64_ (4 CPU) 09:20:48 LINUX RESTART (4 CPU) 09:22:01 AM CPU %user %nice %system %iowait %steal %idle 09:23:01 AM all 9.92 0.00 0.89 0.67 0.01 88.51 09:23:01 AM 0 6.25 0.00 0.63 0.82 0.00 92.30 09:23:01 AM 1 3.86 0.00 0.55 0.33 0.02 95.24 09:23:01 AM 2 13.48 0.00 1.07 0.52 0.02 84.91 09:23:01 AM 3 16.07 0.00 1.32 1.00 0.02 81.59 09:24:01 AM all 15.13 0.00 1.68 0.95 0.02 82.21 09:24:01 AM 0 12.72 0.00 1.62 0.50 0.02 85.14 09:24:01 AM 1 20.03 0.00 2.26 1.20 0.02 76.49 09:24:01 AM 2 11.64 0.00 1.29 1.02 0.02 86.03 09:24:01 AM 3 16.14 0.00 1.57 1.09 0.02 81.18 09:25:01 AM all 16.54 0.00 1.65 0.64 0.02 81.16 09:25:01 AM 0 17.10 0.00 1.67 0.52 0.02 80.69 09:25:01 AM 1 16.06 0.00 1.84 0.95 0.02 81.13 09:25:01 AM 2 14.78 0.00 2.08 0.82 0.03 82.29 09:25:01 AM 3 18.20 0.00 1.00 0.25 0.02 80.53 09:26:01 AM all 46.57 0.00 1.83 0.26 0.03 51.30 09:26:01 AM 0 36.93 0.00 2.02 0.37 0.03 60.64 09:26:01 AM 1 50.63 0.00 1.05 0.10 0.03 48.19 09:26:01 AM 2 44.38 0.00 2.42 0.38 0.03 52.78 09:26:01 AM 3 54.34 0.00 1.82 0.18 0.03 43.62 Average: all 22.05 0.00 1.51 0.63 0.02 75.79 Average: 0 18.25 0.00 1.49 0.55 0.02 79.69 Average: 1 22.66 0.00 1.43 0.65 0.02 75.25 Average: 2 21.08 0.00 1.71 0.69 0.03 76.49 Average: 3 26.20 0.00 1.43 0.63 0.02 71.72