---> uname -a: Linux prd-centos8-docker-4c-4g-1327.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 770 12190 20 2799 14650 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:6d:e3:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.237/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fe6d:e3e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f1:be:84:aa 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) 09/14/2026 _x86_64_ (4 CPU) 11:14:18 LINUX RESTART (4 CPU) 11:15:01 AM tps rtps wtps bread/s bwrtn/s 11:16:01 AM 211.03 19.00 192.03 3393.03 11717.10 11:17:01 AM 138.49 3.15 135.34 774.28 12670.03 11:18:01 AM 28.20 0.05 28.15 1.07 6857.79 11:19:01 AM 3.20 0.03 3.17 0.53 253.80 11:20:01 AM 17.78 3.18 14.60 220.76 874.42 Average: 79.74 5.08 74.66 877.90 6474.63 11:15:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:16:01 AM 12661084 14826092 3478232 21.55 2688 2369988 1337736 7.78 166588 2905000 252384 11:17:01 AM 10764944 13239072 5374372 33.30 2688 2673720 2715684 15.80 263080 4676668 193960 11:18:01 AM 9226840 11707980 6912476 42.83 2688 2680512 4047376 23.55 265260 6207900 2708 11:19:01 AM 9196944 11683184 6942372 43.02 2688 2685440 4127024 24.01 265548 6236824 1972 11:20:01 AM 12447376 14971288 3691940 22.88 2688 2721628 1185424 6.90 467204 2790932 36208 Average: 10859438 13285523 5279878 32.71 2688 2626258 2682649 15.61 285536 4563465 97446 11:15:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:01 AM eth0 219.98 171.65 2525.34 32.78 0.00 0.00 0.00 0.00 11:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM eth0 256.38 215.68 4269.51 37.59 0.00 0.00 0.00 0.00 11:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM eth0 106.95 68.09 59.84 62.29 0.00 0.00 0.00 0.00 11:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 AM eth0 287.34 177.64 105.94 91.18 0.00 0.00 0.00 0.00 11:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 AM lo 6.55 6.55 0.81 0.81 0.00 0.00 0.00 0.00 11:20:01 AM eth0 22.21 19.41 13.36 18.94 0.00 0.00 0.00 0.00 11:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 178.58 130.50 1394.85 48.56 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) 09/14/2026 _x86_64_ (4 CPU) 11:14:18 LINUX RESTART (4 CPU) 11:15:01 AM CPU %user %nice %system %iowait %steal %idle 11:16:01 AM all 25.51 0.00 2.50 1.17 0.02 70.80 11:16:01 AM 0 33.94 0.00 2.90 1.08 0.02 62.07 11:16:01 AM 1 22.13 0.00 2.66 1.27 0.02 73.93 11:16:01 AM 2 23.99 0.00 1.44 0.70 0.02 73.85 11:16:01 AM 3 21.93 0.00 3.02 1.63 0.02 73.41 11:17:01 AM all 63.62 0.00 2.08 0.67 0.05 33.60 11:17:01 AM 0 62.96 0.00 2.10 0.63 0.03 34.27 11:17:01 AM 1 65.63 0.00 2.17 0.70 0.08 31.42 11:17:01 AM 2 61.86 0.00 2.46 0.80 0.03 34.85 11:17:01 AM 3 64.02 0.00 1.57 0.53 0.03 33.85 11:18:01 AM all 52.33 0.00 1.33 0.15 0.03 46.16 11:18:01 AM 0 46.91 0.00 1.57 0.50 0.02 51.00 11:18:01 AM 1 58.85 0.00 0.82 0.00 0.03 40.30 11:18:01 AM 2 41.55 0.00 2.11 0.12 0.02 56.21 11:18:01 AM 3 62.00 0.00 0.82 0.00 0.03 37.15 11:19:01 AM all 17.76 0.00 1.29 0.01 0.02 80.92 11:19:01 AM 0 14.83 0.00 1.22 0.00 0.02 83.93 11:19:01 AM 1 24.41 0.00 1.30 0.00 0.03 74.25 11:19:01 AM 2 15.02 0.00 1.40 0.03 0.02 83.52 11:19:01 AM 3 16.78 0.00 1.22 0.02 0.02 81.96 11:20:01 AM all 50.82 0.00 1.70 0.07 0.03 47.37 11:20:01 AM 0 54.29 0.00 1.92 0.08 0.03 43.68 11:20:01 AM 1 40.24 0.00 1.00 0.00 0.03 58.72 11:20:01 AM 2 43.99 0.00 0.95 0.15 0.02 54.89 11:20:01 AM 3 64.76 0.00 2.94 0.05 0.05 32.20 Average: all 42.01 0.00 1.78 0.42 0.03 55.77 Average: 0 42.58 0.00 1.94 0.46 0.02 54.99 Average: 1 42.26 0.00 1.59 0.39 0.04 55.72 Average: 2 37.28 0.00 1.67 0.36 0.02 60.66 Average: 3 45.92 0.00 1.91 0.44 0.03 51.70