---> uname -a: Linux prd-centos8-docker-4c-4g-5057.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 757 12103 20 2899 14665 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:ac:6f:da brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.12/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:feac:6fda/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:59:ab:ba:fa 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) 13:22:28 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 283.61 52.70 230.91 4893.85 40126.17 01:25:01 PM 89.30 0.00 89.30 0.00 8348.23 01:26:01 PM 196.98 14.85 182.14 3116.43 9776.77 01:27:01 PM 71.86 6.25 65.61 1080.31 8937.10 01:28:01 PM 46.16 1.65 44.51 123.05 9657.87 Average: 137.59 15.09 122.50 1842.78 15369.42 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13502980 15081892 2636336 16.33 2688 1806356 1144100 6.66 136708 2181104 21352 01:25:01 PM 13101264 15034520 3038052 18.82 2688 2143156 1158856 6.74 153420 2501388 187120 01:26:01 PM 12514764 14819380 3624552 22.46 2688 2506992 1331292 7.75 193652 3013124 220564 01:27:01 PM 11136888 13508576 5002428 31.00 2688 2572648 2598384 15.12 255056 4317240 1072 01:28:01 PM 12436308 15060492 3703008 22.94 2688 2823068 1092572 6.36 540060 2735640 7564 Average: 12538441 14700972 3600875 22.31 2688 2370444 1465041 8.52 255779 2949699 87534 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 336.70 216.48 1114.99 67.11 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 150.43 112.96 975.32 10.10 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 319.76 268.39 4093.61 46.82 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 29.06 29.06 7.38 7.38 0.00 0.00 0.00 0.00 01:27:01 PM eth0 84.46 60.70 470.84 28.23 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 2.12 2.12 0.86 0.86 0.00 0.00 0.00 0.00 01:28:01 PM eth0 72.45 69.87 274.32 930.25 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.23 6.23 1.65 1.65 0.00 0.00 0.00 0.00 Average: eth0 192.77 145.68 1385.85 216.48 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) 13:22:28 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 13.56 0.00 2.21 1.72 0.01 82.50 01:24:01 PM 0 14.94 0.00 1.20 0.48 0.02 83.36 01:24:01 PM 1 11.35 0.00 3.47 2.37 0.02 82.80 01:24:01 PM 2 17.30 0.00 2.78 3.20 0.02 76.71 01:24:01 PM 3 10.66 0.00 1.39 0.84 0.00 87.11 01:25:01 PM all 11.01 0.00 1.22 0.40 0.01 87.36 01:25:01 PM 0 19.63 0.00 1.95 0.40 0.02 78.00 01:25:01 PM 1 7.34 0.00 0.77 0.54 0.00 91.35 01:25:01 PM 2 9.64 0.00 1.62 0.50 0.02 88.22 01:25:01 PM 3 7.41 0.00 0.54 0.15 0.02 91.88 01:26:01 PM all 19.84 0.00 2.31 1.04 0.02 76.78 01:26:01 PM 0 20.80 0.00 1.74 0.33 0.02 77.11 01:26:01 PM 1 19.99 0.00 2.92 1.36 0.03 75.70 01:26:01 PM 2 19.59 0.00 2.46 1.01 0.02 76.92 01:26:01 PM 3 18.99 0.00 2.14 1.47 0.02 77.38 01:27:01 PM all 44.10 0.00 1.58 1.95 0.03 52.34 01:27:01 PM 0 49.08 0.00 0.88 0.15 0.03 49.85 01:27:01 PM 1 48.75 0.00 1.66 2.94 0.03 46.62 01:27:01 PM 2 44.53 0.00 1.97 1.70 0.02 51.78 01:27:01 PM 3 34.04 0.00 1.82 3.01 0.03 61.10 01:28:01 PM all 19.62 0.00 1.92 0.32 0.02 78.13 01:28:01 PM 0 31.26 0.00 2.72 0.03 0.03 65.95 01:28:01 PM 1 10.57 0.00 1.37 0.75 0.00 87.31 01:28:01 PM 2 16.40 0.00 2.00 0.30 0.02 81.28 01:28:01 PM 3 20.22 0.00 1.60 0.18 0.02 77.97 Average: all 21.63 0.00 1.85 1.09 0.02 75.42 Average: 0 27.15 0.00 1.70 0.28 0.02 70.85 Average: 1 19.60 0.00 2.04 1.59 0.02 76.76 Average: 2 21.50 0.00 2.17 1.34 0.02 74.97 Average: 3 18.26 0.00 1.50 1.13 0.02 79.09