---> uname -a: Linux prd-centos8-docker-8c-8g-863.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 1074 26507 19 4308 30349 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:52:43:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.57/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe52:4342/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dd:05:c3:06 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:ddff:fe05:c306/64 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) 03/02/2026 _x86_64_ (8 CPU) 02:28:56 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 272.19 17.18 255.01 3718.36 12153.65 02:32:01 AM 147.18 15.93 131.24 1505.88 39181.67 02:33:01 AM 91.35 3.55 87.81 4626.89 25163.62 Average: 170.24 12.22 158.02 3283.88 25498.87 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28403756 30619832 4251956 13.02 2688 2528404 1853796 5.50 208656 3560284 325208 02:32:01 AM 26037472 29112384 6618240 20.27 2688 3369748 5162172 15.32 453952 5599352 1752 02:33:01 AM 27138640 31072864 5517072 16.89 2688 4223640 1508948 4.48 880884 4073072 23132 Average: 27193289 30268360 5462423 16.73 2688 3373931 2841639 8.43 514497 4410903 116697 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 559.56 414.85 5937.84 70.22 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 4.15 4.15 0.45 0.45 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1357.37 417.00 6675.56 36.78 0.00 0.00 0.00 0.00 02:32:01 AM docker0 1.62 2.18 0.23 0.24 0.00 0.00 0.00 0.00 02:32:01 AM veth5293315 0.17 0.38 0.03 0.03 0.00 0.00 0.00 0.00 02:33:01 AM lo 7.76 7.76 0.81 0.81 0.00 0.00 0.00 0.00 02:33:01 AM eth0 140.16 146.68 1384.76 1251.79 0.00 0.00 0.00 0.00 02:33:01 AM docker0 2.67 3.23 0.38 0.39 0.00 0.00 0.00 0.00 Average: lo 3.97 3.97 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 685.63 326.16 4665.76 453.00 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.80 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) 03/02/2026 _x86_64_ (8 CPU) 02:28:56 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 18.01 0.00 1.49 0.79 0.08 79.63 02:31:01 AM 0 25.19 0.00 1.65 1.22 0.08 71.85 02:31:01 AM 1 14.05 0.00 1.52 0.75 0.07 83.60 02:31:01 AM 2 18.33 0.00 1.26 0.75 0.08 79.57 02:31:01 AM 3 22.35 0.00 1.96 0.47 0.10 75.12 02:31:01 AM 4 25.21 0.00 1.71 0.82 0.08 72.18 02:31:01 AM 5 12.17 0.00 1.30 0.82 0.08 85.62 02:31:01 AM 6 11.84 0.00 0.79 0.15 0.05 87.17 02:31:01 AM 7 14.93 0.00 1.74 1.34 0.07 81.92 02:32:01 AM all 28.98 0.23 3.03 1.41 0.09 66.27 02:32:01 AM 0 32.49 0.00 2.79 1.39 0.08 63.24 02:32:01 AM 1 24.44 1.01 3.73 1.67 0.10 69.05 02:32:01 AM 2 34.94 0.10 3.20 0.44 0.10 61.22 02:32:01 AM 3 20.69 0.00 3.64 2.14 0.08 73.45 02:32:01 AM 4 27.73 0.13 2.42 0.79 0.08 68.84 02:32:01 AM 5 35.49 0.03 3.16 1.71 0.08 59.52 02:32:01 AM 6 21.47 0.52 2.86 1.31 0.10 73.73 02:32:01 AM 7 34.55 0.00 2.42 1.87 0.08 61.08 02:33:01 AM all 18.31 0.05 2.34 0.41 0.06 78.82 02:33:01 AM 0 17.68 0.00 2.33 0.27 0.07 79.66 02:33:01 AM 1 19.25 0.35 1.67 0.10 0.05 78.58 02:33:01 AM 2 20.19 0.00 2.73 2.11 0.07 74.90 02:33:01 AM 3 21.74 0.02 2.59 0.20 0.05 75.39 02:33:01 AM 4 25.99 0.02 1.96 0.15 0.07 71.82 02:33:01 AM 5 16.81 0.00 2.59 0.15 0.07 80.38 02:33:01 AM 6 10.37 0.00 2.43 0.18 0.07 86.95 02:33:01 AM 7 14.47 0.03 2.43 0.08 0.07 82.91 Average: all 21.75 0.09 2.29 0.87 0.08 74.92 Average: 0 25.12 0.00 2.26 0.96 0.08 71.59 Average: 1 19.23 0.45 2.30 0.84 0.07 77.10 Average: 2 24.47 0.03 2.40 1.10 0.08 71.92 Average: 3 21.60 0.01 2.73 0.93 0.08 74.66 Average: 4 26.31 0.05 2.03 0.59 0.08 70.95 Average: 5 21.45 0.01 2.35 0.89 0.08 75.22 Average: 6 14.55 0.17 2.02 0.55 0.07 82.64 Average: 7 21.29 0.01 2.20 1.10 0.07 75.33