---> uname -a: Linux prd-centos8-docker-8c-8g-427.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: 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 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 26408 19 4406 30348 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:8f:c1:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.71/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fe8f:c116/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7a:4c:1b:39 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::42:7aff:fe4c:1b39/64 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) 05/17/2026 _x86_64_ (8 CPU) 07:30:22 LINUX RESTART (8 CPU) 07:31:02 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 242.04 16.86 225.18 3252.32 12452.30 07:33:01 AM 182.72 2.62 180.10 1055.69 18019.91 07:34:01 AM 271.33 16.53 254.80 5633.32 29318.66 Average: 231.97 11.97 220.00 3314.25 19972.16 07:31:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 28980372 30954224 3675340 11.25 2688 2289424 1627764 4.83 194880 3009396 184708 07:33:01 AM 26707052 29793324 5948660 18.22 2688 3382964 2629288 7.80 322836 5085076 773588 07:34:01 AM 27043312 31065668 5612400 17.19 2688 4311964 1524868 4.52 756776 4289808 746820 Average: 27576912 30604405 5078800 15.55 2688 3328117 1927307 5.72 424831 4128093 568372 07:31:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 247.37 199.63 2786.01 51.51 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 1845.91 712.05 11324.62 63.82 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 12.71 12.71 1.35 1.35 0.00 0.00 0.00 0.00 07:34:01 AM eth0 170.89 133.26 1713.85 31.98 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.78 5.93 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.26 4.26 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 757.50 349.12 5288.39 49.09 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.99 0.22 0.23 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) 05/17/2026 _x86_64_ (8 CPU) 07:30:22 LINUX RESTART (8 CPU) 07:31:02 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 14.89 0.00 1.43 0.64 0.07 82.98 07:32:01 AM 0 8.23 0.00 1.34 0.73 0.08 89.61 07:32:01 AM 1 35.58 0.00 3.38 1.14 0.07 59.83 07:32:01 AM 2 12.04 0.00 0.83 0.27 0.08 86.77 07:32:01 AM 3 16.59 0.00 1.80 1.31 0.05 80.24 07:32:01 AM 4 13.85 0.00 1.34 0.71 0.05 84.04 07:32:01 AM 5 11.95 0.00 1.19 0.44 0.05 86.37 07:32:01 AM 6 4.87 0.00 0.89 0.27 0.09 93.89 07:32:01 AM 7 15.98 0.00 0.65 0.22 0.07 83.09 07:33:01 AM all 29.04 0.00 2.19 0.53 0.08 68.16 07:33:01 AM 0 26.08 0.00 1.55 0.22 0.08 72.07 07:33:01 AM 1 22.32 0.00 3.41 1.18 0.08 73.00 07:33:01 AM 2 28.23 0.00 1.85 1.34 0.07 68.51 07:33:01 AM 3 20.86 0.00 2.10 0.27 0.07 76.70 07:33:01 AM 4 30.68 0.00 1.88 0.13 0.08 67.22 07:33:01 AM 5 27.81 0.00 1.94 0.05 0.08 70.12 07:33:01 AM 6 32.60 0.00 2.18 0.90 0.08 64.24 07:33:01 AM 7 43.74 0.00 2.62 0.13 0.07 53.44 07:34:01 AM all 23.84 0.27 2.77 0.89 0.08 72.14 07:34:01 AM 0 28.32 0.02 3.69 2.50 0.08 65.39 07:34:01 AM 1 26.35 0.00 3.47 1.54 0.10 68.54 07:34:01 AM 2 24.42 0.00 2.33 0.44 0.08 72.74 07:34:01 AM 3 26.16 0.02 2.75 0.30 0.08 70.68 07:34:01 AM 4 22.09 1.64 2.38 0.87 0.08 72.93 07:34:01 AM 5 20.10 0.07 2.65 1.11 0.08 76.00 07:34:01 AM 6 19.17 0.39 2.77 0.25 0.07 77.36 07:34:01 AM 7 24.15 0.03 2.09 0.15 0.08 73.49 Average: all 22.62 0.09 2.13 0.69 0.08 74.40 Average: 0 20.92 0.01 2.20 1.15 0.08 75.63 Average: 1 28.05 0.00 3.42 1.29 0.08 67.16 Average: 2 21.60 0.00 1.67 0.68 0.08 75.96 Average: 3 21.23 0.01 2.22 0.62 0.07 75.86 Average: 4 22.24 0.55 1.87 0.57 0.07 74.70 Average: 5 19.98 0.02 1.93 0.53 0.07 77.46 Average: 6 18.92 0.13 1.95 0.47 0.08 78.45 Average: 7 27.99 0.01 1.79 0.17 0.07 69.97