---> uname -a: Linux prd-centos8-docker-4c-4g-10613.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 nrip_save 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 819 12033 19 2908 14604 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:f0:39:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.235/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fef0:39fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a9:5a:59:64 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) 06/10/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 272.78 16.49 256.29 3824.09 16479.24 01:26:01 PM 56.44 4.63 51.81 371.80 8724.18 01:27:01 PM 52.62 3.17 49.45 140.22 8955.31 Average: 127.29 8.10 119.19 1445.56 11386.68 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12146956 14507500 3992364 24.74 2688 2561900 1672996 9.73 215964 3357884 243012 01:26:01 PM 11271488 13653312 4867832 30.16 2688 2582396 2467636 14.36 255048 4183620 1104 01:27:01 PM 12342208 14975200 3797112 23.53 2688 2830780 1177292 6.85 538612 2832424 24332 Average: 11920217 14378671 4219103 26.14 2688 2658359 1772641 10.31 336541 3457976 89483 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 420.06 307.41 4899.75 58.16 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 23.65 23.65 4.93 4.93 0.00 0.00 0.00 0.00 01:26:01 PM eth0 37.44 27.05 100.57 17.78 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 5.13 5.13 1.13 1.13 0.00 0.00 0.00 0.00 01:27:01 PM eth0 72.53 77.79 282.21 929.17 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 Average: lo 9.59 9.59 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 176.70 137.43 1761.11 335.04 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) 06/10/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 34.72 0.00 2.78 1.49 0.10 60.92 01:25:01 PM 0 38.86 0.00 2.63 1.36 0.08 57.07 01:25:01 PM 1 31.65 0.00 2.88 0.97 0.10 64.40 01:25:01 PM 2 27.50 0.00 2.83 1.49 0.10 68.08 01:25:01 PM 3 40.84 0.00 2.79 2.12 0.10 54.15 01:26:01 PM all 40.23 0.00 1.11 0.60 0.09 57.98 01:26:01 PM 0 47.05 0.00 0.73 0.05 0.08 52.09 01:26:01 PM 1 38.09 0.00 1.57 0.82 0.10 59.41 01:26:01 PM 2 27.07 0.00 1.46 1.26 0.08 70.13 01:26:01 PM 3 48.66 0.00 0.68 0.27 0.08 50.31 01:27:01 PM all 20.45 0.00 1.75 0.34 0.07 77.39 01:27:01 PM 0 22.67 0.00 2.24 0.15 0.07 74.87 01:27:01 PM 1 16.68 0.00 2.04 0.52 0.08 80.68 01:27:01 PM 2 16.69 0.00 1.49 0.48 0.07 81.27 01:27:01 PM 3 25.74 0.00 1.22 0.22 0.07 72.75 Average: all 31.79 0.00 1.88 0.81 0.09 65.43 Average: 0 36.19 0.00 1.87 0.52 0.08 61.35 Average: 1 28.80 0.00 2.16 0.77 0.09 68.17 Average: 2 23.75 0.00 1.93 1.08 0.08 73.17 Average: 3 38.42 0.00 1.56 0.87 0.08 59.07