---> uname -a: Linux prd-centos8-docker-4c-4g-3745.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1079 10758 19 3922 14331 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:6e:1e:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.125/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe6e:1e89/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:29:30:7d:3b 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 inet6 fe80::42:29ff:fe30:7d3b/64 scope link 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) 08/03/2026 _x86_64_ (4 CPU) 12:25:21 LINUX RESTART (4 CPU) 12:26:01 PM tps rtps wtps bread/s bwrtn/s 12:27:01 PM 193.38 4.92 188.47 446.46 11054.36 12:28:01 PM 265.03 3.18 261.85 813.60 38017.04 12:29:01 PM 1074.27 95.10 979.17 1697.85 28531.53 12:30:00 PM 72.58 24.41 48.17 485.03 3260.12 12:30:01 PM 0.00 0.00 0.00 0.00 0.00 Average: 400.96 31.79 369.17 858.45 20200.59 12:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:27:01 PM 12567348 14612944 3571972 22.13 2688 2250188 1644252 9.57 161152 3006732 246228 12:28:01 PM 11139268 14066984 5000052 30.98 2688 3101620 1901688 11.06 355308 4129924 32644 12:29:01 PM 9681896 13275340 6457424 40.01 2688 3582952 1973708 11.48 404708 5146312 6768 12:30:00 PM 10994692 14650036 5144628 31.88 2688 3638816 1279332 7.44 624464 3621272 8348 12:30:01 PM 10978624 14640844 5160696 31.98 2688 3645872 1295716 7.54 625248 3635608 15404 Average: 11072366 14249230 5066954 31.40 2688 3243890 1618939 9.42 434176 3907970 61878 12:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 169.79 138.38 2283.97 27.47 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM lo 6.26 6.26 4.84 4.84 0.00 0.00 0.00 0.00 12:28:01 PM eth0 407.93 292.72 5569.02 38.20 0.00 0.00 0.00 0.00 12:28:01 PM docker0 3.25 3.08 4.08 0.45 0.00 0.00 0.00 0.00 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 98.92 66.82 953.08 12.57 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 PM eth0 26.40 17.76 55.91 6.51 0.00 0.00 0.00 0.00 12:30:00 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 0.89 0.00 0.04 0.00 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.57 1.57 1.21 1.21 0.00 0.00 0.00 0.00 Average: eth0 175.64 128.84 2215.28 21.16 0.00 0.00 0.00 0.00 Average: docker0 0.81 0.77 1.02 0.11 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) 08/03/2026 _x86_64_ (4 CPU) 12:25:21 LINUX RESTART (4 CPU) 12:26:01 PM CPU %user %nice %system %iowait %steal %idle 12:27:01 PM all 23.86 0.00 2.13 1.08 0.09 72.85 12:27:01 PM 0 26.89 0.00 2.75 1.05 0.10 69.21 12:27:01 PM 1 28.19 0.00 2.34 1.17 0.08 68.22 12:27:01 PM 2 25.03 0.00 2.36 1.10 0.10 71.41 12:27:01 PM 3 15.30 0.00 1.05 0.99 0.08 82.58 12:28:01 PM all 48.04 0.09 4.56 1.78 0.11 45.42 12:28:01 PM 0 48.50 0.03 5.52 1.95 0.10 43.90 12:28:01 PM 1 47.59 0.05 5.26 2.77 0.12 44.21 12:28:01 PM 2 45.17 0.24 3.85 1.80 0.12 48.82 12:28:01 PM 3 50.88 0.05 3.62 0.61 0.10 44.74 12:29:01 PM all 30.55 0.00 8.37 8.40 0.11 52.58 12:29:01 PM 0 18.32 0.00 8.20 9.81 0.10 63.57 12:29:01 PM 1 61.97 0.00 9.36 8.14 0.10 20.43 12:29:01 PM 2 23.22 0.00 8.46 8.46 0.12 59.75 12:29:01 PM 3 18.72 0.00 7.45 7.19 0.10 66.53 12:30:00 PM all 35.32 0.00 2.19 0.52 0.09 61.88 12:30:00 PM 0 27.43 0.00 2.16 0.36 0.09 69.97 12:30:00 PM 1 29.52 0.00 2.24 0.60 0.09 67.56 12:30:00 PM 2 52.68 0.00 2.69 0.61 0.09 43.93 12:30:00 PM 3 31.67 0.00 1.67 0.53 0.09 66.05 12:30:01 PM all 23.99 0.00 1.57 0.00 0.22 74.22 12:30:01 PM 0 0.00 0.00 0.00 0.00 0.00 100.00 12:30:01 PM 1 0.89 0.00 0.00 0.00 0.00 99.11 12:30:01 PM 2 93.75 0.00 5.36 0.00 0.89 0.00 12:30:01 PM 3 0.89 0.00 0.89 0.00 0.00 98.21 Average: all 34.38 0.02 4.29 2.92 0.10 58.28 Average: 0 30.18 0.01 4.63 3.26 0.10 61.82 Average: 1 41.58 0.01 4.77 3.15 0.10 50.39 Average: 2 36.75 0.06 4.34 2.98 0.11 55.77 Average: 3 29.01 0.01 3.43 2.31 0.09 65.15