---> uname -a: Linux prd-centos8-docker-4c-4g-5099.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 774 12198 20 2787 14645 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:ce:1f:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.201/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85958sec preferred_lft 85958sec inet6 fe80::f816:3eff:fece:1f0d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:09:1f:fb:76 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) 10/26/2026 _x86_64_ (4 CPU) 05:51:52 LINUX RESTART (4 CPU) 05:53:02 AM tps rtps wtps bread/s bwrtn/s 05:54:01 AM 61.11 0.34 60.78 33.07 5347.19 05:55:01 AM 182.66 18.91 163.75 3359.81 12849.02 05:56:01 AM 114.30 3.13 111.16 776.41 7823.39 05:57:01 AM 26.26 0.00 26.26 0.00 6687.32 05:58:01 AM 2.68 1.70 0.98 51.05 131.67 05:59:01 AM 17.06 1.69 15.37 176.24 1010.02 Average: 67.50 4.31 63.19 736.29 5655.32 05:53:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:54:01 AM 13364156 15126324 2775160 17.20 2688 1978976 1098452 6.39 146080 2273432 137808 05:55:01 AM 12660048 14821832 3479268 21.56 2688 2366296 1330708 7.74 166864 2900544 118108 05:56:01 AM 10952640 13411496 5186676 32.14 2688 2658372 2617064 15.23 255936 4498388 189876 05:57:01 AM 10202452 12665608 5936864 36.79 2688 2662552 3230920 18.80 261280 5240108 796 05:58:01 AM 9317988 11790368 6821328 42.27 2688 2671492 4029408 23.44 265260 6117332 4932 05:59:01 AM 12514504 15025976 3624812 22.46 2688 2709044 1121832 6.53 462100 2730348 40080 Average: 11501965 13806934 4637351 28.73 2688 2507789 2238064 13.02 259587 3960025 81933 05:53:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM eth0 61.27 39.72 812.22 6.03 0.00 0.00 0.00 0.00 05:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM eth0 179.82 144.87 1736.52 27.66 0.00 0.00 0.00 0.00 05:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM eth0 272.24 218.14 4075.51 33.22 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 AM eth0 165.26 119.74 62.68 75.44 0.00 0.00 0.00 0.00 05:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 AM eth0 171.51 122.68 64.91 62.54 0.00 0.00 0.00 0.00 05:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 AM lo 6.63 6.63 0.81 0.81 0.00 0.00 0.00 0.00 05:59:01 AM eth0 23.01 19.52 49.61 8.57 0.00 0.00 0.00 0.00 05:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 146.10 111.23 1137.53 35.73 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) 10/26/2026 _x86_64_ (4 CPU) 05:51:52 LINUX RESTART (4 CPU) 05:53:02 AM CPU %user %nice %system %iowait %steal %idle 05:54:01 AM all 8.63 0.00 0.88 0.36 0.01 90.12 05:54:01 AM 0 4.88 0.00 0.61 0.24 0.02 94.25 05:54:01 AM 1 4.64 0.00 0.54 0.17 0.00 94.65 05:54:01 AM 2 17.43 0.00 1.61 0.34 0.02 80.60 05:54:01 AM 3 7.55 0.00 0.76 0.70 0.00 90.99 05:55:01 AM all 17.94 0.00 1.78 1.12 0.00 79.16 05:55:01 AM 0 11.26 0.00 1.82 1.03 0.00 85.89 05:55:01 AM 1 14.21 0.00 1.17 0.87 0.00 83.75 05:55:01 AM 2 23.77 0.00 2.07 1.50 0.00 72.65 05:55:01 AM 3 22.53 0.00 2.04 1.07 0.02 74.34 05:56:01 AM all 63.02 0.00 2.00 0.47 0.02 34.48 05:56:01 AM 0 51.96 0.00 2.36 0.64 0.03 45.01 05:56:01 AM 1 68.93 0.00 1.35 0.35 0.02 29.35 05:56:01 AM 2 66.50 0.00 2.10 0.55 0.02 30.83 05:56:01 AM 3 64.68 0.00 2.21 0.33 0.02 32.76 05:57:01 AM all 31.19 0.00 1.64 0.19 0.01 66.96 05:57:01 AM 0 25.26 0.00 2.17 0.13 0.02 72.42 05:57:01 AM 1 29.16 0.00 1.49 0.07 0.00 69.28 05:57:01 AM 2 34.01 0.00 1.39 0.12 0.02 64.47 05:57:01 AM 3 36.33 0.00 1.52 0.43 0.02 61.70 05:58:01 AM all 32.94 0.00 1.40 0.03 0.02 65.62 05:58:01 AM 0 24.91 0.00 1.47 0.03 0.00 73.59 05:58:01 AM 1 22.72 0.00 1.37 0.00 0.02 75.89 05:58:01 AM 2 56.17 0.00 1.72 0.07 0.05 41.99 05:58:01 AM 3 27.95 0.00 1.04 0.00 0.00 71.02 05:59:01 AM all 47.97 0.00 1.75 0.06 0.03 50.19 05:59:01 AM 0 55.51 0.00 1.82 0.03 0.05 42.59 05:59:01 AM 1 38.48 0.00 1.31 0.02 0.02 60.18 05:59:01 AM 2 55.85 0.00 2.28 0.05 0.03 41.79 05:59:01 AM 3 42.03 0.00 1.61 0.12 0.02 56.22 Average: all 33.65 0.00 1.58 0.37 0.02 64.39 Average: 0 28.94 0.00 1.71 0.35 0.02 68.97 Average: 1 29.75 0.00 1.21 0.25 0.01 68.78 Average: 2 42.32 0.00 1.86 0.44 0.02 55.36 Average: 3 33.56 0.00 1.53 0.44 0.01 64.45