---> uname -a: Linux prd-centos8-docker-8c-8g-6494.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1088 26307 19 4491 30329 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:85:8b:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.69/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fe85:8b3c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7b:25:b1:7a 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::42:7bff:fe25:b17a/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) 07/08/2026 _x86_64_ (8 CPU) 07:31:11 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 217.61 16.66 200.95 3303.45 11173.24 07:34:01 AM 197.60 2.55 195.05 1044.05 20108.63 07:35:01 AM 263.65 16.58 247.07 5470.44 29622.31 Average: 226.29 11.93 214.36 3272.65 20301.90 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28877344 30933788 3776028 11.56 2688 2370204 1641992 4.87 194908 3107300 251848 07:34:01 AM 26953228 29795428 5700144 17.46 2688 3147964 2669144 7.92 275144 4912312 453872 07:35:01 AM 26051976 30063780 6601396 20.22 2688 4299220 2240344 6.65 737972 5279908 645188 Average: 27294183 30264332 5359189 16.41 2688 3272463 2183827 6.48 402675 4433173 450303 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 211.95 165.27 2203.39 45.65 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1937.57 682.12 11326.94 62.19 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM lo 12.83 12.83 1.35 1.35 0.00 0.00 0.00 0.00 07:35:01 AM eth0 150.42 118.89 1757.44 26.12 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.82 5.91 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.28 4.28 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 766.68 322.10 5096.09 44.65 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.97 0.22 0.23 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) 07/08/2026 _x86_64_ (8 CPU) 07:31:11 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 14.80 0.00 1.48 0.66 0.06 83.00 07:33:01 AM 0 5.73 0.00 1.07 0.30 0.05 92.85 07:33:01 AM 1 14.61 0.00 1.22 0.45 0.07 83.65 07:33:01 AM 2 16.15 0.00 1.69 0.28 0.05 81.83 07:33:01 AM 3 7.61 0.00 0.96 1.24 0.07 90.13 07:33:01 AM 4 18.00 0.00 1.85 1.09 0.07 78.99 07:33:01 AM 5 13.03 0.00 0.92 0.49 0.05 85.52 07:33:01 AM 6 25.49 0.00 2.77 0.37 0.08 71.29 07:33:01 AM 7 17.75 0.00 1.37 1.04 0.07 79.78 07:34:01 AM all 29.21 0.00 1.59 0.79 0.10 68.31 07:34:01 AM 0 20.64 0.00 1.10 0.07 0.08 78.11 07:34:01 AM 1 15.17 0.00 1.33 1.71 0.07 81.73 07:34:01 AM 2 30.23 0.00 1.73 0.34 0.10 67.60 07:34:01 AM 3 29.12 0.00 1.96 0.15 0.10 68.67 07:34:01 AM 4 30.84 0.00 2.38 1.79 0.12 64.87 07:34:01 AM 5 30.04 0.00 1.21 1.36 0.10 67.29 07:34:01 AM 6 40.44 0.00 1.36 0.62 0.10 57.48 07:34:01 AM 7 37.23 0.00 1.68 0.29 0.10 60.71 07:35:01 AM all 25.12 0.31 3.17 1.17 0.09 70.15 07:35:01 AM 0 25.17 0.02 2.71 0.42 0.08 71.60 07:35:01 AM 1 28.93 0.03 3.81 0.86 0.10 66.27 07:35:01 AM 2 26.84 0.10 2.70 1.73 0.10 68.52 07:35:01 AM 3 25.64 0.32 4.03 2.01 0.10 67.90 07:35:01 AM 4 27.82 0.03 2.98 1.41 0.08 67.67 07:35:01 AM 5 20.63 0.08 2.93 1.50 0.08 74.77 07:35:01 AM 6 25.05 0.03 3.08 0.44 0.08 71.31 07:35:01 AM 7 20.88 1.83 3.09 0.98 0.08 73.13 Average: all 23.03 0.10 2.08 0.87 0.08 73.83 Average: 0 17.16 0.01 1.62 0.26 0.07 80.88 Average: 1 19.56 0.01 2.12 1.01 0.08 77.23 Average: 2 24.40 0.03 2.04 0.78 0.08 72.66 Average: 3 20.78 0.11 2.31 1.13 0.09 75.58 Average: 4 25.54 0.01 2.40 1.43 0.09 70.52 Average: 5 21.22 0.03 1.69 1.11 0.08 75.88 Average: 6 30.32 0.01 2.40 0.48 0.09 66.70 Average: 7 25.27 0.61 2.05 0.77 0.08 71.22