---> uname -a: Linux prd-centos8-docker-8c-8g-13332.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: 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): 0-7 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 1063 26379 19 4444 30356 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:cd:29:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.236/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fecd:292c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6b:6d:85:f9 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::42:6bff:fe6d:85f9/64 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) 08/18/2026 _x86_64_ (8 CPU) 02:28:58 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 278.24 16.76 261.48 3303.03 16723.31 02:32:01 AM 165.76 16.64 149.12 2009.20 40015.36 02:33:01 AM 84.11 3.73 80.38 4678.06 25583.56 Average: 176.03 12.38 163.65 3330.17 27440.64 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28396780 30688852 4256592 13.04 2688 2602832 1859340 5.52 204620 3562764 301908 02:32:01 AM 26082416 29291788 6570956 20.12 2688 3501620 5195316 15.42 443684 5555240 196 02:33:01 AM 27043352 31116704 5610020 17.18 2688 4360216 1503208 4.46 885300 4151516 7164 Average: 27174183 30365781 5479189 16.78 2688 3488223 2852621 8.46 511201 4423173 103089 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 480.76 367.54 5908.55 56.38 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 3.68 3.68 0.41 0.41 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1585.80 478.81 7359.53 41.12 0.00 0.00 0.00 0.00 02:32:01 AM docker0 1.43 1.90 0.20 0.22 0.00 0.00 0.00 0.00 02:32:01 AM vethd51af80 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 02:33:01 AM lo 8.03 8.03 0.85 0.85 0.00 0.00 0.00 0.00 02:33:01 AM eth0 176.00 169.63 1396.36 1258.32 0.00 0.00 0.00 0.00 02:33:01 AM docker0 2.83 3.43 0.41 0.40 0.00 0.00 0.00 0.00 Average: lo 3.90 3.90 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 747.49 338.65 4887.95 451.98 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.78 0.20 0.21 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) 08/18/2026 _x86_64_ (8 CPU) 02:28:58 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 15.54 0.00 1.47 0.73 0.07 82.19 02:31:01 AM 0 9.20 0.00 0.95 0.37 0.05 89.43 02:31:01 AM 1 12.43 0.00 1.62 1.12 0.07 84.76 02:31:01 AM 2 14.23 0.00 1.39 1.39 0.07 82.93 02:31:01 AM 3 10.86 0.00 0.92 0.08 0.08 88.05 02:31:01 AM 4 31.31 0.00 2.42 0.55 0.10 65.62 02:31:01 AM 5 23.49 0.00 1.19 0.62 0.07 74.64 02:31:01 AM 6 6.49 0.00 1.69 0.85 0.05 90.91 02:31:01 AM 7 16.33 0.00 1.54 0.87 0.07 81.20 02:32:01 AM all 29.29 0.21 2.44 0.73 0.09 67.24 02:32:01 AM 0 28.18 0.00 2.10 0.59 0.10 69.03 02:32:01 AM 1 22.01 1.64 2.68 1.53 0.08 72.05 02:32:01 AM 2 31.84 0.02 2.63 0.59 0.08 64.84 02:32:01 AM 3 23.94 0.07 2.41 0.49 0.08 73.01 02:32:01 AM 4 40.23 0.00 3.08 0.96 0.08 55.64 02:32:01 AM 5 20.59 0.00 1.80 0.64 0.07 76.90 02:32:01 AM 6 31.51 0.00 2.45 0.20 0.10 65.74 02:32:01 AM 7 36.01 0.00 2.37 0.83 0.08 60.71 02:33:01 AM all 18.81 0.05 1.91 0.36 0.07 78.79 02:33:01 AM 0 16.18 0.00 1.39 0.05 0.07 82.31 02:33:01 AM 1 20.42 0.07 2.12 0.13 0.07 77.19 02:33:01 AM 2 23.00 0.30 2.01 0.20 0.08 74.40 02:33:01 AM 3 19.17 0.03 2.62 2.02 0.08 76.06 02:33:01 AM 4 17.12 0.00 2.03 0.10 0.08 80.67 02:33:01 AM 5 13.34 0.00 2.03 0.13 0.05 84.45 02:33:01 AM 6 14.62 0.00 1.34 0.08 0.07 83.89 02:33:01 AM 7 26.62 0.03 1.75 0.13 0.07 71.39 Average: all 21.20 0.09 1.94 0.61 0.08 76.10 Average: 0 17.83 0.00 1.48 0.33 0.07 80.28 Average: 1 18.28 0.56 2.14 0.93 0.07 78.02 Average: 2 23.00 0.11 2.01 0.73 0.08 74.08 Average: 3 17.98 0.03 1.98 0.87 0.08 79.05 Average: 4 29.53 0.00 2.51 0.54 0.09 67.33 Average: 5 19.14 0.00 1.67 0.46 0.06 78.66 Average: 6 17.52 0.00 1.83 0.38 0.07 80.20 Average: 7 26.29 0.01 1.89 0.61 0.07 71.13