---> uname -a: Linux prd-centos8-docker-4c-4g-13811.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 776 12186 19 2798 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:6b:70:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.26/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86039sec preferred_lft 86039sec inet6 fe80::f816:3eff:fe6b:70e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:22:e1:3c:29 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) 07/15/2026 _x86_64_ (4 CPU) 14:28:32 LINUX RESTART (4 CPU) 02:29:01 PM tps rtps wtps bread/s bwrtn/s 02:30:00 PM 202.75 6.32 196.42 963.77 7630.54 02:30:01 PM 3.00 3.00 0.00 176.00 0.00 02:31:01 PM 211.98 21.71 190.27 4223.75 16961.40 02:32:01 PM 78.19 0.05 78.14 1.07 9080.34 02:33:01 PM 9.19 0.00 9.19 0.00 417.99 02:34:01 PM 7.98 2.83 5.15 146.62 320.78 Average: 101.35 6.17 95.18 1064.49 6856.59 02:29:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:00 PM 13139212 15037508 3000108 18.59 2688 2109748 1191380 6.93 160436 2471192 246464 02:30:01 PM 13123788 15034616 3015532 18.68 2688 2121028 1175380 6.84 160620 2482772 257640 02:31:01 PM 11706944 14002316 4432376 27.46 2688 2496684 2064220 12.01 236284 3774320 57992 02:32:01 PM 10507608 13000468 5631712 34.89 2688 2691104 2855536 16.61 265496 4930340 3120 02:33:01 PM 10200184 12698240 5939136 36.80 2688 2696096 3099160 18.03 267108 5235172 1496 02:34:01 PM 12483276 14990068 3656044 22.65 2688 2704496 1153736 6.71 458928 2769096 10196 Average: 11860169 14127203 4279151 26.51 2688 2469859 1923235 11.19 258145 3610482 96151 02:29:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:00 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:00 PM eth0 230.71 141.65 1404.41 33.83 0.00 0.00 0.00 0.00 02:30:00 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 PM eth0 110.00 76.00 86.18 131.29 0.00 0.00 0.00 0.00 02:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 PM eth0 237.21 197.43 2811.31 34.75 0.00 0.00 0.00 0.00 02:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 PM eth0 198.32 147.39 2957.40 34.70 0.00 0.00 0.00 0.00 02:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 PM eth0 18.39 15.17 3.87 24.87 0.00 0.00 0.00 0.00 02:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:34:01 PM lo 6.51 6.51 0.80 0.80 0.00 0.00 0.00 0.00 02:34:01 PM eth0 22.83 20.18 9.35 10.44 0.00 0.00 0.00 0.00 02:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 141.08 104.14 1432.78 28.04 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) 07/15/2026 _x86_64_ (4 CPU) 14:28:32 LINUX RESTART (4 CPU) 02:29:01 PM CPU %user %nice %system %iowait %steal %idle 02:30:00 PM all 17.82 0.00 1.98 1.34 0.11 78.74 02:30:00 PM 0 34.48 0.00 2.85 1.43 0.12 61.12 02:30:00 PM 1 5.07 0.00 1.12 0.65 0.10 93.05 02:30:00 PM 2 23.61 0.00 3.21 3.02 0.12 70.04 02:30:00 PM 3 8.09 0.00 0.75 0.29 0.09 90.79 02:30:01 PM all 28.57 0.00 3.01 0.00 0.00 68.42 02:30:01 PM 0 6.06 0.00 2.02 0.00 0.00 91.92 02:30:01 PM 1 6.06 0.00 3.03 0.00 0.00 90.91 02:30:01 PM 2 95.00 0.00 5.00 0.00 0.00 0.00 02:30:01 PM 3 6.93 0.00 1.98 0.00 0.00 91.09 02:31:01 PM all 45.70 0.00 3.03 1.40 0.13 49.74 02:31:01 PM 0 46.10 0.00 3.06 1.67 0.13 49.03 02:31:01 PM 1 43.45 0.00 2.21 1.29 0.12 52.93 02:31:01 PM 2 45.64 0.00 4.27 1.76 0.13 48.19 02:31:01 PM 3 47.60 0.00 2.58 0.89 0.12 48.81 02:32:01 PM all 55.66 0.00 1.57 0.57 0.12 42.07 02:32:01 PM 0 58.19 0.00 0.97 0.08 0.12 40.64 02:32:01 PM 1 47.18 0.00 1.49 0.94 0.13 50.27 02:32:01 PM 2 57.81 0.00 2.06 0.80 0.12 39.21 02:32:01 PM 3 59.48 0.00 1.79 0.47 0.12 38.15 02:33:01 PM all 16.74 0.00 0.40 0.05 0.08 82.73 02:33:01 PM 0 12.92 0.00 0.37 0.02 0.08 86.61 02:33:01 PM 1 13.11 0.00 0.40 0.17 0.08 86.23 02:33:01 PM 2 27.62 0.00 0.50 0.00 0.08 71.80 02:33:01 PM 3 13.31 0.00 0.32 0.00 0.08 86.28 02:34:01 PM all 44.41 0.00 1.28 0.05 0.11 54.14 02:34:01 PM 0 38.66 0.00 0.82 0.07 0.12 60.33 02:34:01 PM 1 50.26 0.00 1.64 0.02 0.12 47.97 02:34:01 PM 2 32.49 0.00 1.17 0.02 0.12 66.21 02:34:01 PM 3 56.25 0.00 1.49 0.12 0.10 42.05 Average: all 36.10 0.00 1.66 0.68 0.11 61.45 Average: 0 37.97 0.00 1.61 0.65 0.11 59.65 Average: 1 31.82 0.00 1.38 0.61 0.11 66.08 Average: 2 37.68 0.00 2.25 1.11 0.11 58.86 Average: 3 36.93 0.00 1.39 0.35 0.10 61.23