---> uname -a: Linux prd-centos8-docker-4c-4g-1280.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 762 12203 20 2795 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:c8:77:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.39/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86011sec preferred_lft 86011sec inet6 fe80::f816:3eff:fec8:77a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:af:54:ea:26 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) 09:16:05 LINUX RESTART (4 CPU) 09:17:01 AM tps rtps wtps bread/s bwrtn/s 09:18:01 AM 217.89 19.33 198.57 3871.51 10820.04 09:19:01 AM 113.79 2.58 111.21 266.13 12140.14 09:20:01 AM 29.47 0.00 29.47 0.00 6801.43 09:21:01 AM 3.67 0.00 3.67 0.00 302.33 09:22:01 AM 7.70 2.87 4.83 174.88 252.23 Average: 74.51 4.95 69.56 862.45 6064.24 09:17:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:18:01 AM 12393452 14619148 3745864 23.21 2688 2429684 1766596 10.28 178116 3158572 291420 09:19:01 AM 11237640 13706300 4901676 30.37 2688 2668520 2677264 15.58 255108 4214196 190072 09:20:01 AM 10260124 12733344 5879192 36.43 2688 2672952 3344276 19.46 263848 5181020 1576 09:21:01 AM 9279620 11759516 6859696 42.50 2688 2679396 4113520 23.93 265564 6157028 1284 09:22:01 AM 12571328 15073232 3567988 22.11 2688 2700264 1077112 6.27 457960 2679808 16032 Average: 11148433 13578308 4990883 30.92 2688 2630163 2595754 15.10 284119 4278125 100077 09:17:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:18:01 AM eth0 254.95 201.12 2711.88 32.21 0.00 0.00 0.00 0.00 09:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:19:01 AM eth0 221.94 163.30 3481.98 21.50 0.00 0.00 0.00 0.00 09:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 AM eth0 187.97 114.96 88.55 89.15 0.00 0.00 0.00 0.00 09:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 AM eth0 183.05 117.53 69.82 64.53 0.00 0.00 0.00 0.00 09:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:01 AM lo 6.71 6.71 0.82 0.82 0.00 0.00 0.00 0.00 09:22:01 AM eth0 22.63 19.96 10.28 9.72 0.00 0.00 0.00 0.00 09:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.34 1.34 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 174.11 123.38 1272.84 43.42 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) 09:16:05 LINUX RESTART (4 CPU) 09:17:01 AM CPU %user %nice %system %iowait %steal %idle 09:18:01 AM all 28.87 0.00 2.52 1.55 0.08 66.98 09:18:01 AM 0 21.72 0.00 2.99 2.79 0.10 72.41 09:18:01 AM 1 21.43 0.00 1.71 1.14 0.07 75.66 09:18:01 AM 2 44.62 0.00 4.00 1.76 0.07 49.55 09:18:01 AM 3 27.76 0.00 1.39 0.52 0.07 70.27 09:19:01 AM all 57.48 0.00 1.79 4.08 0.13 36.52 09:19:01 AM 0 61.77 0.00 1.03 1.88 0.12 35.20 09:19:01 AM 1 50.31 0.00 2.40 2.54 0.13 44.62 09:19:01 AM 2 66.80 0.00 2.00 5.02 0.12 26.06 09:19:01 AM 3 51.06 0.00 1.70 6.89 0.15 40.20 09:20:01 AM all 37.87 0.00 1.20 0.33 0.12 60.48 09:20:01 AM 0 41.22 0.00 1.12 0.13 0.13 57.39 09:20:01 AM 1 42.28 0.00 1.02 0.00 0.10 56.60 09:20:01 AM 2 40.10 0.00 0.98 0.08 0.12 58.71 09:20:01 AM 3 27.87 0.00 1.69 1.09 0.12 69.24 09:21:01 AM all 24.54 0.00 1.10 0.13 0.09 74.15 09:21:01 AM 0 14.43 0.00 1.34 0.50 0.10 83.63 09:21:01 AM 1 25.44 0.00 1.17 0.00 0.10 73.29 09:21:01 AM 2 24.61 0.00 1.00 0.00 0.08 74.30 09:21:01 AM 3 33.65 0.00 0.88 0.00 0.07 65.40 09:22:01 AM all 57.54 0.00 1.49 0.09 0.12 40.76 09:22:01 AM 0 50.50 0.00 1.23 0.03 0.10 48.13 09:22:01 AM 1 51.64 0.00 1.04 0.03 0.12 47.18 09:22:01 AM 2 74.98 0.00 2.37 0.25 0.12 22.28 09:22:01 AM 3 53.05 0.00 1.33 0.05 0.13 45.43 Average: all 41.27 0.00 1.62 1.24 0.11 55.77 Average: 0 37.93 0.00 1.54 1.07 0.11 59.35 Average: 1 38.23 0.00 1.47 0.74 0.10 59.46 Average: 2 50.23 0.00 2.07 1.42 0.10 46.18 Average: 3 38.68 0.00 1.40 1.71 0.11 58.10