---> uname -a: Linux prd-centos8-docker-8c-8g-8682.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1062 26464 19 4362 30361 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:77:52:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.109/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe77:5230/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:30:0f:8f:28 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::42:30ff:fe0f:8f28/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/07/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 217.32 16.83 200.49 3323.94 13132.98 02:31:01 AM 179.02 3.97 175.05 1107.42 15945.68 02:32:01 AM 138.25 15.01 123.24 5437.79 28790.25 Average: 178.12 11.91 166.21 3285.04 19295.57 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29021368 30981052 3634344 11.13 2688 2276588 1800660 5.34 192040 2977304 140000 02:31:01 AM 26916040 29611652 5739672 17.58 2688 3004584 3008160 8.93 313816 4926000 403632 02:32:01 AM 27130788 31115256 5524924 16.92 2688 4275472 1530904 4.54 748220 4217184 715064 Average: 27689399 30569320 4966313 15.21 2688 3185548 2113241 6.27 418025 4040163 419565 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 213.10 165.53 2534.09 43.27 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 1321.71 545.03 10367.16 55.92 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 11.95 11.95 1.27 1.27 0.00 0.00 0.00 0.00 02:32:01 AM eth0 346.17 158.88 2320.78 34.21 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.28 5.38 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 629.33 290.61 5090.54 44.50 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.79 0.20 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/07/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.98 0.00 1.55 0.71 0.06 83.70 02:30:01 AM 0 8.56 0.00 1.28 0.76 0.05 89.35 02:30:01 AM 1 25.85 0.00 3.44 1.99 0.07 68.66 02:30:01 AM 2 10.25 0.00 1.06 0.62 0.08 87.98 02:30:01 AM 3 16.45 0.00 1.78 0.30 0.07 81.40 02:30:01 AM 4 21.71 0.00 1.81 0.40 0.08 75.99 02:30:01 AM 5 9.88 0.00 0.86 0.19 0.07 89.01 02:30:01 AM 6 9.99 0.00 1.29 1.18 0.03 87.50 02:30:01 AM 7 9.12 0.00 0.87 0.22 0.03 89.75 02:31:01 AM all 30.03 0.00 1.63 0.51 0.09 67.73 02:31:01 AM 0 20.55 0.00 1.43 0.10 0.07 77.85 02:31:01 AM 1 50.54 0.00 1.43 0.37 0.10 47.56 02:31:01 AM 2 30.67 0.00 1.49 0.32 0.10 67.43 02:31:01 AM 3 32.59 0.00 1.13 0.37 0.10 65.81 02:31:01 AM 4 18.07 0.00 1.89 0.43 0.07 79.54 02:31:01 AM 5 46.94 0.00 1.93 0.45 0.10 50.58 02:31:01 AM 6 23.37 0.00 2.05 0.92 0.10 73.56 02:31:01 AM 7 17.46 0.00 1.70 1.13 0.08 79.62 02:32:01 AM all 23.76 0.38 4.00 0.62 0.09 71.15 02:32:01 AM 0 28.18 0.00 3.70 0.42 0.10 67.60 02:32:01 AM 1 29.61 0.00 3.82 1.04 0.08 65.45 02:32:01 AM 2 14.06 0.29 3.89 0.96 0.08 80.71 02:32:01 AM 3 22.08 0.00 4.29 0.49 0.08 73.06 02:32:01 AM 4 27.10 2.02 4.65 0.64 0.10 65.49 02:32:01 AM 5 22.12 0.08 4.64 0.42 0.10 72.64 02:32:01 AM 6 24.33 0.08 3.74 0.64 0.08 71.13 02:32:01 AM 7 22.60 0.54 3.29 0.32 0.08 73.16 Average: all 22.61 0.13 2.39 0.61 0.08 74.18 Average: 0 19.10 0.00 2.14 0.42 0.07 78.26 Average: 1 35.39 0.00 2.89 1.13 0.08 60.51 Average: 2 18.36 0.10 2.14 0.63 0.09 78.68 Average: 3 23.74 0.00 2.40 0.39 0.08 73.40 Average: 4 22.28 0.67 2.78 0.49 0.08 73.69 Average: 5 26.40 0.03 2.47 0.35 0.09 70.65 Average: 6 19.24 0.03 2.36 0.91 0.07 77.39 Average: 7 16.39 0.18 1.95 0.56 0.07 80.85