---> uname -a: Linux prd-centos8-docker-4c-4g-1147.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 767 12025 20 2968 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:6b:ce:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.58/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fe6b:cefb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1a:2c:91:0a 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) 11/05/2026 _x86_64_ (4 CPU) 16:16:54 LINUX RESTART (4 CPU) 04:18:01 PM tps rtps wtps bread/s bwrtn/s 04:19:01 PM 56.88 0.42 56.46 39.32 5554.57 04:20:01 PM 121.39 14.73 106.66 3205.73 11451.27 04:21:01 PM 206.00 4.55 201.45 1025.66 13381.81 04:22:01 PM 45.69 1.30 44.39 81.59 11000.87 Average: 107.49 5.25 102.25 1088.12 10347.10 04:18:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:19:01 PM 13383036 15124044 2756280 17.08 2688 1958772 1110544 6.46 138912 2265768 137972 04:20:01 PM 12775104 14858336 3364212 20.84 2688 2290780 1378704 8.02 154340 2812572 98148 04:21:01 PM 11105448 13506068 5033868 31.19 2688 2601272 3097536 18.02 252092 4350348 30756 04:22:01 PM 12274020 14966720 3865296 23.95 2688 2890892 1199140 6.98 556236 2880104 26424 Average: 12384402 14613792 3754914 23.27 2688 2435429 1696481 9.87 275395 3077198 73325 04:18:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 PM eth0 62.63 40.44 962.30 5.74 0.00 0.00 0.00 0.00 04:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM eth0 97.95 69.29 981.61 14.10 0.00 0.00 0.00 0.00 04:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM lo 12.70 12.70 1.42 1.42 0.00 0.00 0.00 0.00 04:21:01 PM eth0 356.15 275.06 4417.44 74.28 0.00 0.00 0.00 0.00 04:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 PM lo 28.75 28.75 25.94 25.94 0.00 0.00 0.00 0.00 04:22:01 PM eth0 359.24 257.99 311.82 129.03 0.00 0.00 0.00 0.00 04:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.36 10.36 6.84 6.84 0.00 0.00 0.00 0.00 Average: eth0 218.99 160.69 1668.35 55.78 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) 11/05/2026 _x86_64_ (4 CPU) 16:16:54 LINUX RESTART (4 CPU) 04:18:01 PM CPU %user %nice %system %iowait %steal %idle 04:19:01 PM all 9.25 0.00 0.89 0.34 0.01 89.50 04:19:01 PM 0 6.64 0.00 0.68 0.43 0.02 92.22 04:19:01 PM 1 15.22 0.00 1.55 0.42 0.02 82.80 04:19:01 PM 2 4.20 0.00 0.33 0.20 0.00 95.26 04:19:01 PM 3 10.93 0.00 0.98 0.32 0.02 87.75 04:20:01 PM all 13.65 0.00 1.38 0.76 0.02 84.19 04:20:01 PM 0 14.56 0.00 1.67 1.17 0.02 82.58 04:20:01 PM 1 18.34 0.00 1.64 0.42 0.02 79.59 04:20:01 PM 2 6.63 0.00 1.22 1.17 0.03 90.94 04:20:01 PM 3 15.04 0.00 1.00 0.27 0.02 83.67 04:21:01 PM all 51.23 0.00 2.48 1.11 0.02 45.17 04:21:01 PM 0 39.39 0.00 3.34 1.88 0.02 55.38 04:21:01 PM 1 60.14 0.00 1.07 0.33 0.02 38.44 04:21:01 PM 2 56.79 0.00 2.89 1.64 0.02 38.65 04:21:01 PM 3 48.53 0.00 2.62 0.58 0.03 48.23 04:22:01 PM all 24.12 0.00 3.24 0.33 0.01 72.29 04:22:01 PM 0 20.79 0.00 3.16 0.05 0.02 75.99 04:22:01 PM 1 34.21 0.00 4.74 0.68 0.02 60.34 04:22:01 PM 2 25.59 0.00 3.14 0.42 0.02 70.83 04:22:01 PM 3 15.89 0.00 1.91 0.18 0.00 82.02 Average: all 24.56 0.00 2.00 0.64 0.02 72.80 Average: 0 20.32 0.00 2.21 0.88 0.02 76.56 Average: 1 31.98 0.00 2.25 0.46 0.02 65.30 Average: 2 23.31 0.00 1.90 0.86 0.02 73.92 Average: 3 22.60 0.00 1.63 0.34 0.02 75.42