---> uname -a: Linux prd-centos8-docker-4c-4g-1318.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 766 12200 20 2793 14654 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:de:96:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.183/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86039sec preferred_lft 86039sec inet6 fe80::f816:3eff:fede:96d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:8d:ed:79 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) 10:37:24 LINUX RESTART (4 CPU) 10:38:01 AM tps rtps wtps bread/s bwrtn/s 10:39:01 AM 165.56 15.00 150.56 3132.54 10331.98 10:40:01 AM 181.26 7.21 174.05 1037.21 13400.47 10:41:01 AM 29.98 0.05 29.93 1.07 7712.33 10:42:01 AM 2.95 0.00 2.95 0.00 263.89 10:43:01 AM 11.43 2.88 8.55 174.90 438.64 Average: 78.24 5.03 73.21 869.07 6430.05 10:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:39:01 AM 12824284 14933412 3315024 20.54 2688 2316116 1275488 7.42 160592 2754304 247884 10:40:01 AM 11026380 13493208 5112928 31.68 2688 2666904 2525132 14.69 253840 4422332 221620 10:41:01 AM 10062592 12534020 6076716 37.65 2688 2671332 3400572 19.78 263608 5375236 2048 10:42:01 AM 9393968 11872428 6745340 41.79 2688 2678084 4010788 23.33 265356 6039880 2572 10:43:01 AM 12487836 14989744 3651472 22.62 2688 2700248 1174616 6.83 460572 2757200 22484 Average: 11159012 13564562 4980296 30.86 2688 2606537 2477319 14.41 280794 4269790 99322 10:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:39:01 AM eth0 164.81 119.65 2059.35 21.15 0.00 0.00 0.00 0.00 10:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 AM eth0 350.19 284.79 4877.86 36.13 0.00 0.00 0.00 0.00 10:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:41:01 AM eth0 183.66 107.40 85.31 84.31 0.00 0.00 0.00 0.00 10:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:42:01 AM eth0 191.85 125.03 87.98 79.41 0.00 0.00 0.00 0.00 10:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:43:01 AM lo 6.55 6.55 0.80 0.80 0.00 0.00 0.00 0.00 10:43:01 AM eth0 21.88 20.08 10.95 9.33 0.00 0.00 0.00 0.00 10:43:01 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 182.49 131.40 1424.39 46.07 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) 10:37:24 LINUX RESTART (4 CPU) 10:38:01 AM CPU %user %nice %system %iowait %steal %idle 10:39:01 AM all 23.55 0.00 2.20 0.92 0.03 73.31 10:39:01 AM 0 16.51 0.00 1.80 0.60 0.03 81.05 10:39:01 AM 1 17.11 0.00 1.84 0.92 0.02 80.11 10:39:01 AM 2 17.20 0.00 2.09 1.47 0.02 79.23 10:39:01 AM 3 43.39 0.00 3.08 0.67 0.05 52.82 10:40:01 AM all 60.35 0.00 2.31 0.80 0.05 36.49 10:40:01 AM 0 55.92 0.00 2.85 1.20 0.05 39.97 10:40:01 AM 1 54.04 0.00 2.26 0.92 0.05 42.73 10:40:01 AM 2 63.39 0.00 2.36 0.77 0.07 33.42 10:40:01 AM 3 68.05 0.00 1.79 0.30 0.02 29.84 10:41:01 AM all 39.70 0.00 1.40 0.22 0.03 58.64 10:41:01 AM 0 42.52 0.00 1.08 0.10 0.03 56.27 10:41:01 AM 1 38.87 0.00 1.67 0.00 0.05 59.41 10:41:01 AM 2 32.39 0.00 1.87 0.74 0.02 64.98 10:41:01 AM 3 45.03 0.00 0.99 0.05 0.03 53.90 10:42:01 AM all 25.36 0.00 1.26 0.01 0.02 73.35 10:42:01 AM 0 36.57 0.00 1.32 0.00 0.02 62.09 10:42:01 AM 1 26.09 0.00 1.39 0.03 0.02 72.47 10:42:01 AM 2 13.34 0.00 1.51 0.00 0.02 85.14 10:42:01 AM 3 25.40 0.00 0.83 0.02 0.02 73.74 10:43:01 AM all 56.44 0.00 1.56 0.04 0.06 41.90 10:43:01 AM 0 44.99 0.00 1.18 0.02 0.05 53.75 10:43:01 AM 1 76.94 0.00 2.32 0.13 0.08 20.52 10:43:01 AM 2 50.14 0.00 1.32 0.00 0.03 48.50 10:43:01 AM 3 53.69 0.00 1.40 0.02 0.07 44.82 Average: all 41.08 0.00 1.75 0.40 0.04 56.74 Average: 0 39.31 0.00 1.65 0.38 0.04 58.62 Average: 1 42.62 0.00 1.90 0.40 0.04 55.04 Average: 2 35.29 0.00 1.83 0.60 0.03 62.25 Average: 3 47.11 0.00 1.62 0.21 0.04 51.02