---> uname -a: Linux prd-centos8-docker-4c-4g-705.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 824 11864 19 3072 14595 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:f7:25:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.41/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85955sec preferred_lft 85955sec inet6 fe80::f816:3eff:fef7:2518/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cb:b9:f3:3c 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) 07/18/2026 _x86_64_ (4 CPU) 08:02:24 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 177.86 15.04 162.81 3132.82 10346.80 08:05:01 AM 176.15 7.16 168.99 1036.38 13827.27 08:06:01 AM 29.00 0.05 28.95 1.07 7651.82 08:07:01 AM 4.45 1.05 3.40 113.43 213.15 08:08:01 AM 9.08 3.18 5.90 1753.57 361.56 08:09:01 AM 19.68 0.02 19.66 0.13 8745.34 Average: 69.38 4.42 64.96 1006.27 6858.15 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12755320 14894608 3384000 20.97 2688 2344788 1300356 7.57 162240 2827868 280044 08:05:01 AM 11230464 13708848 4908856 30.42 2688 2677336 2303700 13.40 252900 4225688 220904 08:06:01 AM 10703728 13185496 5435592 33.68 2688 2680392 2718524 15.82 261856 4742736 1196 08:07:01 AM 9746472 12239308 6392848 39.61 2688 2691180 3748384 21.81 272328 5684432 4140 08:08:01 AM 11822620 14576080 4316700 26.75 2688 2950872 1512696 8.80 328128 3557224 207252 08:09:01 AM 10584620 13423212 5554700 34.42 2688 3029940 2487520 14.47 361852 4740088 41568 Average: 11140537 13671259 4998783 30.97 2688 2729085 2345197 13.64 273217 4296339 125851 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 173.51 133.01 2301.55 27.74 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 315.74 249.33 4592.49 32.85 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 173.37 104.22 69.84 71.78 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 4.97 4.97 0.60 0.60 0.00 0.00 0.00 0.00 08:07:01 AM eth0 168.01 107.25 61.11 64.57 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 2.40 2.40 0.27 0.27 0.00 0.00 0.00 0.00 08:08:01 AM eth0 192.35 144.06 3201.40 17.01 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM eth0 20.15 23.05 2.80 43.91 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 173.87 126.83 1705.08 42.97 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) 07/18/2026 _x86_64_ (4 CPU) 08:02:24 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 23.40 0.00 2.12 0.98 0.08 73.42 08:04:01 AM 0 14.54 0.00 1.34 0.28 0.07 83.78 08:04:01 AM 1 33.91 0.00 2.89 1.12 0.10 61.98 08:04:01 AM 2 21.37 0.00 2.01 1.41 0.07 75.15 08:04:01 AM 3 23.80 0.00 2.24 1.12 0.07 72.77 08:05:01 AM all 57.98 0.00 2.08 0.75 0.11 39.08 08:05:01 AM 0 61.79 0.00 1.20 0.25 0.10 36.66 08:05:01 AM 1 55.11 0.00 2.52 1.10 0.12 41.15 08:05:01 AM 2 50.37 0.00 3.13 1.24 0.12 45.15 08:05:01 AM 3 64.63 0.00 1.49 0.40 0.10 33.38 08:06:01 AM all 33.94 0.00 1.23 0.20 0.11 64.52 08:06:01 AM 0 27.32 0.00 1.45 0.57 0.13 70.53 08:06:01 AM 1 35.84 0.00 1.55 0.00 0.10 62.51 08:06:01 AM 2 38.84 0.00 0.75 0.00 0.10 60.31 08:06:01 AM 3 33.78 0.00 1.15 0.23 0.12 64.72 08:07:01 AM all 32.36 0.00 1.35 0.01 0.08 66.20 08:07:01 AM 0 53.32 0.00 2.02 0.02 0.10 44.54 08:07:01 AM 1 19.44 0.00 1.35 0.02 0.08 79.10 08:07:01 AM 2 31.98 0.00 0.77 0.00 0.07 67.18 08:07:01 AM 3 24.68 0.00 1.25 0.02 0.08 73.96 08:08:01 AM all 54.71 0.00 1.49 0.05 0.12 43.63 08:08:01 AM 0 41.78 0.00 1.69 0.03 0.10 56.39 08:08:01 AM 1 51.29 0.00 0.90 0.00 0.13 47.68 08:08:01 AM 2 60.98 0.00 1.14 0.02 0.12 37.75 08:08:01 AM 3 64.79 0.00 2.23 0.17 0.13 32.68 08:09:01 AM all 73.33 0.00 1.42 0.88 0.12 24.25 08:09:01 AM 0 85.83 0.00 0.35 0.02 0.12 13.68 08:09:01 AM 1 87.03 0.00 0.68 0.23 0.10 11.95 08:09:01 AM 2 35.22 0.00 2.39 3.29 0.13 58.97 08:09:01 AM 3 85.21 0.00 2.25 0.00 0.12 12.42 Average: all 45.96 0.00 1.61 0.48 0.10 51.84 Average: 0 47.44 0.00 1.34 0.19 0.10 50.92 Average: 1 47.11 0.00 1.65 0.41 0.11 50.72 Average: 2 39.80 0.00 1.70 0.99 0.10 57.42 Average: 3 49.49 0.00 1.77 0.32 0.10 48.31