---> uname -a: Linux prd-centos8-docker-4c-4g-1980.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 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 773 12198 20 2788 14646 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:16:3e:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.247/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85987sec preferred_lft 85987sec inet6 fe80::f816:3eff:fe16:3ef1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:40:40:6f:7f 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) 09:30:09 LINUX RESTART (4 CPU) 09:31:01 AM tps rtps wtps bread/s bwrtn/s 09:32:01 AM 145.95 6.06 139.89 944.89 6370.21 09:33:01 AM 166.41 18.76 147.64 3407.03 13259.49 09:34:01 AM 127.08 3.18 123.90 777.09 6446.06 09:35:01 AM 30.71 0.00 30.71 0.00 7633.11 09:36:01 AM 5.18 1.70 3.48 51.06 199.67 09:37:01 AM 13.78 1.67 12.11 173.28 853.45 Average: 81.52 5.23 76.29 892.17 5793.67 09:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:32:01 AM 13356436 15117800 2782880 17.24 2688 1978292 1068876 6.22 146192 2281988 137896 09:33:01 AM 12716676 14862148 3422640 21.21 2688 2350900 1292128 7.52 164324 2853076 90396 09:34:01 AM 10955908 13415600 5183408 32.12 2688 2659016 2629092 15.30 255800 4495176 215424 09:35:01 AM 10366140 12830600 5773176 35.77 2688 2663672 2999924 17.45 261296 5077812 944 09:36:01 AM 8794516 11268328 7344800 45.51 2688 2672720 4512780 26.26 265280 6640372 4800 09:37:01 AM 12508460 15020452 3630856 22.50 2688 2709012 1126900 6.56 473324 2725872 38792 Average: 11449689 13752488 4689627 29.06 2688 2505602 2271617 13.22 261036 4012383 81375 09:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 83.82 55.01 1009.18 30.58 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 133.09 105.58 1504.24 20.27 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM eth0 335.72 269.58 4305.15 31.99 0.00 0.00 0.00 0.00 09:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM eth0 193.72 128.71 81.26 89.34 0.00 0.00 0.00 0.00 09:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 AM eth0 126.55 92.13 44.08 47.87 0.00 0.00 0.00 0.00 09:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 AM lo 6.71 6.71 0.81 0.81 0.00 0.00 0.00 0.00 09:37:01 AM eth0 26.16 22.04 52.96 10.13 0.00 0.00 0.00 0.00 09:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 149.86 112.19 1166.43 38.36 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) 09:30:09 LINUX RESTART (4 CPU) 09:31:01 AM CPU %user %nice %system %iowait %steal %idle 09:32:01 AM all 11.61 0.00 1.54 0.72 0.00 86.13 09:32:01 AM 0 10.15 0.00 2.01 1.72 0.00 86.13 09:32:01 AM 1 15.92 0.00 1.90 0.43 0.00 81.75 09:32:01 AM 2 11.24 0.00 1.41 0.30 0.00 87.05 09:32:01 AM 3 9.11 0.00 0.84 0.43 0.00 89.62 09:33:01 AM all 17.56 0.00 1.67 1.02 0.01 79.73 09:33:01 AM 0 15.13 0.00 1.15 0.95 0.00 82.77 09:33:01 AM 1 20.78 0.00 2.07 1.32 0.02 75.81 09:33:01 AM 2 10.90 0.00 1.31 1.19 0.02 86.59 09:33:01 AM 3 23.45 0.00 2.16 0.62 0.00 73.78 09:34:01 AM all 59.57 0.00 2.11 0.56 0.01 37.74 09:34:01 AM 0 64.89 0.00 2.66 0.64 0.02 31.80 09:34:01 AM 1 59.44 0.00 2.21 0.62 0.00 37.74 09:34:01 AM 2 57.50 0.00 1.89 0.47 0.02 40.13 09:34:01 AM 3 56.43 0.00 1.70 0.53 0.02 41.31 09:35:01 AM all 30.86 0.00 1.53 0.21 0.00 67.40 09:35:01 AM 0 33.44 0.00 1.69 0.05 0.00 64.82 09:35:01 AM 1 27.48 0.00 1.85 0.68 0.00 69.98 09:35:01 AM 2 31.43 0.00 1.05 0.05 0.00 67.46 09:35:01 AM 3 31.07 0.00 1.54 0.05 0.00 67.34 09:36:01 AM all 30.94 0.00 1.40 0.03 0.02 67.61 09:36:01 AM 0 42.21 0.00 1.89 0.10 0.02 55.79 09:36:01 AM 1 23.59 0.00 1.52 0.00 0.02 74.87 09:36:01 AM 2 37.16 0.00 1.07 0.00 0.02 61.76 09:36:01 AM 3 20.78 0.00 1.14 0.03 0.02 78.04 09:37:01 AM all 46.30 0.00 1.81 0.07 0.01 51.81 09:37:01 AM 0 41.35 0.00 2.14 0.03 0.02 56.46 09:37:01 AM 1 40.04 0.00 1.42 0.02 0.00 58.52 09:37:01 AM 2 49.79 0.00 1.82 0.18 0.02 48.19 09:37:01 AM 3 54.00 0.00 1.87 0.05 0.02 44.06 Average: all 32.81 0.00 1.68 0.44 0.01 65.07 Average: 0 34.53 0.00 1.92 0.58 0.01 62.96 Average: 1 31.21 0.00 1.83 0.51 0.01 66.44 Average: 2 33.03 0.00 1.42 0.36 0.01 65.18 Average: 3 32.47 0.00 1.54 0.29 0.01 65.69