---> uname -a: Linux prd-centos8-docker-4c-4g-1504.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 749 12093 19 2918 14673 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:98:de:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.127/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86091sec preferred_lft 86091sec inet6 fe80::f816:3eff:fe98:de56/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:48:77:1c:f5 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) 07/23/2026 _x86_64_ (4 CPU) 10:07:28 LINUX RESTART (4 CPU) 10:08:01 AM tps rtps wtps bread/s bwrtn/s 10:09:01 AM 112.80 6.23 106.56 967.94 5830.09 10:10:01 AM 194.60 14.85 179.75 3163.34 13461.59 10:11:01 AM 136.59 6.31 130.27 1081.37 11670.78 10:12:01 AM 32.73 1.47 31.26 91.85 756.69 Average: 119.18 7.21 111.96 1326.10 7929.86 10:08:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:09:01 AM 13387432 15128340 2751888 17.05 2688 1957300 1111528 6.47 139676 2261244 139840 10:10:01 AM 12746452 14871208 3392868 21.02 2688 2329364 1351328 7.86 189788 2796888 68172 10:11:01 AM 11429704 13820332 4709616 29.18 2688 2591288 2301440 13.39 255724 4027872 2284 10:12:01 AM 12432308 15073268 3707012 22.97 2688 2838984 1116096 6.49 528296 2755480 263360 Average: 12498974 14723287 3640346 22.56 2688 2429234 1470098 8.55 278371 2960371 118414 10:08:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:09:01 AM eth0 226.66 146.07 1014.11 32.88 0.00 0.00 0.00 0.00 10:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 AM eth0 156.97 120.35 1442.54 30.59 0.00 0.00 0.00 0.00 10:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 AM lo 13.01 13.01 3.54 3.54 0.00 0.00 0.00 0.00 10:11:01 AM eth0 310.15 212.88 3717.12 69.24 0.00 0.00 0.00 0.00 10:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 AM lo 16.48 16.48 2.58 2.58 0.00 0.00 0.00 0.00 10:12:01 AM eth0 70.50 72.45 276.22 932.26 0.00 0.00 0.00 0.00 10:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.37 7.37 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 191.08 137.94 1612.56 266.22 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) 07/23/2026 _x86_64_ (4 CPU) 10:07:28 LINUX RESTART (4 CPU) 10:08:01 AM CPU %user %nice %system %iowait %steal %idle 10:09:01 AM all 13.13 0.00 1.67 3.85 0.07 81.28 10:09:01 AM 0 19.85 0.00 2.09 7.76 0.07 70.24 10:09:01 AM 1 17.55 0.00 1.74 2.09 0.07 78.54 10:09:01 AM 2 7.38 0.00 1.15 0.75 0.08 90.63 10:09:01 AM 3 7.73 0.00 1.71 4.78 0.07 85.71 10:10:01 AM all 22.87 0.00 2.36 3.22 0.10 71.46 10:10:01 AM 0 38.15 0.00 3.06 3.46 0.12 55.22 10:10:01 AM 1 16.78 0.00 1.84 2.36 0.08 78.94 10:10:01 AM 2 19.31 0.00 2.30 3.62 0.10 74.67 10:10:01 AM 3 17.21 0.00 2.24 3.43 0.08 77.03 10:11:01 AM all 51.76 0.00 1.76 1.65 0.10 44.73 10:11:01 AM 0 49.53 0.00 2.49 2.09 0.10 45.79 10:11:01 AM 1 36.34 0.00 2.06 1.94 0.10 59.55 10:11:01 AM 2 57.83 0.00 1.29 0.92 0.10 39.86 10:11:01 AM 3 63.30 0.00 1.20 1.65 0.10 33.75 10:12:01 AM all 16.66 0.00 1.47 0.14 0.07 81.66 10:12:01 AM 0 17.33 0.00 1.17 0.17 0.08 81.25 10:12:01 AM 1 17.03 0.00 1.44 0.08 0.07 81.38 10:12:01 AM 2 18.67 0.00 2.09 0.30 0.08 78.85 10:12:01 AM 3 13.59 0.00 1.17 0.02 0.05 85.17 Average: all 26.11 0.00 1.81 2.21 0.08 69.78 Average: 0 31.21 0.00 2.20 3.37 0.09 63.13 Average: 1 21.92 0.00 1.77 1.62 0.08 74.61 Average: 2 25.81 0.00 1.71 1.40 0.09 70.99 Average: 3 25.47 0.00 1.58 2.47 0.08 70.40