---> uname -a: Linux prd-centos8-docker-4c-4g-1110.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: 2799.974 BogoMIPS: 5599.94 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 777 12181 19 2802 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:a6:d0:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86045sec preferred_lft 86045sec inet6 fe80::f816:3eff:fea6:d072/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f2:15:97:fe 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) 07/20/2026 _x86_64_ (4 CPU) 05:19:19 LINUX RESTART (4 CPU) 05:20:03 AM tps rtps wtps bread/s bwrtn/s 05:21:01 AM 185.35 19.56 165.79 3584.42 10374.54 05:22:01 AM 172.54 3.15 169.39 768.16 14860.68 05:23:01 AM 22.63 0.05 22.58 1.07 6658.41 05:24:01 AM 4.45 1.70 2.75 51.06 308.23 05:25:01 AM 23.89 1.50 22.39 142.09 1089.27 Average: 81.09 5.10 76.00 891.46 6634.33 05:20:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:21:01 AM 12721448 14872780 3417872 21.18 2688 2356748 1281948 7.46 163276 2857804 285344 05:22:01 AM 10999548 13479292 5139772 31.85 2688 2678664 2560892 14.90 254940 4450664 190124 05:23:01 AM 10546496 13031076 5592824 34.65 2688 2683324 2838876 16.52 260476 4897036 972 05:24:01 AM 8685128 11179024 7454192 46.19 2688 2692344 4756140 27.67 264456 6749728 732 05:25:01 AM 12507152 15027924 3632168 22.51 2688 2718168 1133388 6.59 470136 2730772 28596 Average: 11091954 13518019 5047366 31.27 2688 2625850 2514249 14.63 282657 4337201 101154 05:20:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 178.42 134.09 2368.82 24.37 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 320.38 236.35 4542.47 31.94 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM eth0 173.45 113.88 56.49 70.51 0.00 0.00 0.00 0.00 05:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM eth0 149.84 108.83 42.91 47.55 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM lo 6.28 6.28 0.78 0.78 0.00 0.00 0.00 0.00 05:25:01 AM eth0 30.76 25.74 19.14 12.25 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 170.53 123.72 1399.91 37.41 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) 07/20/2026 _x86_64_ (4 CPU) 05:19:19 LINUX RESTART (4 CPU) 05:20:03 AM CPU %user %nice %system %iowait %steal %idle 05:21:01 AM all 23.32 0.00 2.05 0.92 0.07 73.64 05:21:01 AM 0 16.52 0.00 1.50 0.35 0.05 81.58 05:21:01 AM 1 14.23 0.00 1.23 0.80 0.05 83.69 05:21:01 AM 2 22.48 0.00 2.48 1.02 0.09 73.93 05:21:01 AM 3 40.05 0.00 3.01 1.52 0.09 55.33 05:22:01 AM all 63.47 0.00 2.10 0.86 0.11 33.46 05:22:01 AM 0 64.96 0.00 1.32 0.85 0.12 32.75 05:22:01 AM 1 67.92 0.00 1.75 0.42 0.10 29.81 05:22:01 AM 2 62.41 0.00 2.24 0.92 0.10 34.34 05:22:01 AM 3 58.60 0.00 3.11 1.25 0.12 36.93 05:23:01 AM all 31.24 0.00 1.30 0.10 0.08 67.27 05:23:01 AM 0 33.49 0.00 0.82 0.00 0.07 65.62 05:23:01 AM 1 32.71 0.00 1.30 0.10 0.08 65.80 05:23:01 AM 2 24.23 0.00 1.99 0.17 0.08 73.53 05:23:01 AM 3 34.54 0.00 1.10 0.15 0.08 64.13 05:24:01 AM all 32.48 0.00 1.22 0.02 0.06 66.23 05:24:01 AM 0 51.67 0.00 1.89 0.05 0.07 46.33 05:24:01 AM 1 21.97 0.00 1.02 0.00 0.07 76.94 05:24:01 AM 2 22.44 0.00 0.92 0.02 0.07 76.56 05:24:01 AM 3 33.81 0.00 1.04 0.00 0.05 65.11 05:25:01 AM all 45.82 0.00 1.65 0.08 0.09 52.36 05:25:01 AM 0 57.31 0.00 1.60 0.10 0.10 40.88 05:25:01 AM 1 42.25 0.00 1.15 0.03 0.08 56.48 05:25:01 AM 2 44.45 0.00 2.20 0.10 0.10 53.15 05:25:01 AM 3 39.28 0.00 1.62 0.07 0.08 58.95 Average: all 39.38 0.00 1.66 0.39 0.08 58.48 Average: 0 44.98 0.00 1.43 0.27 0.08 53.24 Average: 1 35.97 0.00 1.29 0.27 0.08 62.39 Average: 2 35.30 0.00 1.96 0.44 0.09 62.21 Average: 3 41.26 0.00 1.97 0.59 0.08 56.10