---> uname -a: Linux prd-centos8-docker-4c-4g-2001.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 764 12089 19 2907 14658 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:7d:d6:74 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 86093sec preferred_lft 86093sec inet6 fe80::f816:3eff:fe7d:d674/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:66:90:74:92 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) 06/24/2026 _x86_64_ (4 CPU) 13:23:21 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:02 PM 99.00 2.82 96.18 1644.92 7980.64 01:26:01 PM 240.37 14.25 226.12 2248.89 13711.52 01:27:01 PM 47.97 4.72 43.25 375.74 7989.77 01:28:01 PM 36.58 3.17 33.41 140.24 847.19 Average: 105.42 6.20 99.22 1097.74 7607.39 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:02 PM 13094972 15123276 3044348 18.86 2688 2236684 1072600 6.24 148804 2516072 298012 01:26:01 PM 12258676 14616068 3880644 24.04 2688 2558924 1534196 8.93 210064 3254116 219896 01:27:01 PM 11218956 13599536 4920364 30.49 2688 2580656 2523496 14.68 256272 4235244 1104 01:28:01 PM 12384168 15016292 3755152 23.27 2688 2830288 1140548 6.64 532024 2797800 263464 Average: 12239193 14588793 3900127 24.17 2688 2551638 1567710 9.12 286791 3200808 195619 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:02 PM eth0 136.59 92.17 1708.55 20.26 0.00 0.00 0.00 0.00 01:25:02 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 391.11 273.67 4130.96 51.94 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 25.27 25.27 5.05 5.05 0.00 0.00 0.00 0.00 01:27:01 PM eth0 48.50 35.04 108.38 23.66 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 5.42 5.42 1.19 1.19 0.00 0.00 0.00 0.00 01:28:01 PM eth0 71.49 75.90 280.84 939.06 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 7.70 7.70 1.57 1.57 0.00 0.00 0.00 0.00 Average: eth0 160.98 118.56 1546.58 259.56 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) 06/24/2026 _x86_64_ (4 CPU) 13:23:21 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:02 PM all 17.29 0.00 1.86 2.36 0.08 78.41 01:25:02 PM 0 11.77 0.00 1.25 1.20 0.08 85.70 01:25:02 PM 1 33.63 0.00 3.46 3.48 0.08 59.35 01:25:02 PM 2 11.80 0.00 1.61 2.01 0.08 84.50 01:25:02 PM 3 11.96 0.00 1.14 2.75 0.07 84.09 01:26:01 PM all 27.27 0.00 2.62 8.59 0.11 61.40 01:26:01 PM 0 30.64 0.00 1.92 5.75 0.12 61.56 01:26:01 PM 1 26.56 0.00 2.54 9.25 0.12 61.53 01:26:01 PM 2 26.01 0.00 3.34 9.92 0.10 60.63 01:26:01 PM 3 25.87 0.00 2.70 9.44 0.10 61.89 01:27:01 PM all 45.10 0.00 1.37 1.83 0.10 51.60 01:27:01 PM 0 56.75 0.00 0.47 0.00 0.10 42.69 01:27:01 PM 1 41.03 0.00 1.57 1.15 0.10 56.14 01:27:01 PM 2 53.01 0.00 1.29 1.99 0.12 43.59 01:27:01 PM 3 29.55 0.00 2.16 4.18 0.10 64.01 01:28:01 PM all 17.75 0.00 1.69 0.96 0.07 79.54 01:28:01 PM 0 28.72 0.00 2.07 1.22 0.07 67.92 01:28:01 PM 1 16.10 0.00 1.89 0.27 0.05 81.70 01:28:01 PM 2 8.44 0.00 1.84 2.33 0.08 87.31 01:28:01 PM 3 17.70 0.00 0.95 0.02 0.07 81.26 Average: all 26.85 0.00 1.88 3.41 0.09 67.76 Average: 0 31.98 0.00 1.43 2.03 0.09 64.48 Average: 1 29.34 0.00 2.36 3.51 0.09 64.69 Average: 2 24.82 0.00 2.01 4.03 0.10 69.04 Average: 3 21.25 0.00 1.73 4.07 0.08 72.87