---> uname -a: Linux prd-centos8-docker-8c-8g-7377.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 1042 26445 19 4402 30381 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:0f:b3:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.157/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe0f:b377/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:52:ea:67:64 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::42:52ff:feea:6764/64 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) 05/01/2026 _x86_64_ (8 CPU) 07:30:18 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 251.50 16.58 234.92 3198.13 14513.25 07:33:01 AM 201.50 2.67 198.83 1043.92 33387.54 07:34:01 AM 273.87 16.36 257.51 5534.28 10630.29 Average: 242.29 11.87 230.42 3258.65 19510.85 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 28924200 30900656 3731512 11.43 2688 2291488 1853692 5.50 196084 3058196 81032 07:33:01 AM 26700956 29805272 5954756 18.23 2688 3400672 2578396 7.65 323452 5081388 228912 07:34:01 AM 27066716 31085280 5588996 17.11 2688 4308108 1513568 4.49 755412 4268672 746828 Average: 27563957 30597069 5091755 15.59 2688 3333423 1981885 5.88 424983 4136085 352257 07:31:01 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 214.63 185.20 2121.35 49.85 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 1581.57 596.48 11275.66 52.25 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 12.81 12.81 1.35 1.35 0.00 0.00 0.00 0.00 07:34:01 AM eth0 150.39 126.91 1715.07 32.88 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.80 5.95 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.27 4.27 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 648.89 302.88 5037.54 44.99 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.98 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) 05/01/2026 _x86_64_ (8 CPU) 07:30:18 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 14.41 0.00 1.41 0.73 0.07 83.38 07:32:01 AM 0 13.91 0.00 0.90 0.47 0.07 84.65 07:32:01 AM 1 24.95 0.00 2.49 0.95 0.05 71.56 07:32:01 AM 2 7.90 0.00 0.94 0.85 0.07 90.24 07:32:01 AM 3 18.08 0.00 1.34 0.58 0.08 79.91 07:32:01 AM 4 7.52 0.00 0.90 0.39 0.08 91.11 07:32:01 AM 5 20.55 0.00 1.95 1.05 0.07 76.38 07:32:01 AM 6 15.78 0.00 1.40 0.79 0.07 81.97 07:32:01 AM 7 6.60 0.00 1.32 0.74 0.07 91.28 07:33:01 AM all 29.37 0.00 2.49 0.69 0.08 67.37 07:33:01 AM 0 42.79 0.00 1.09 0.15 0.08 55.88 07:33:01 AM 1 35.46 0.00 4.03 1.82 0.08 58.62 07:33:01 AM 2 26.93 0.00 2.49 0.42 0.08 70.08 07:33:01 AM 3 47.53 0.00 2.32 0.30 0.07 49.78 07:33:01 AM 4 23.54 0.00 2.42 0.34 0.07 73.63 07:33:01 AM 5 11.07 0.00 1.85 1.04 0.08 85.95 07:33:01 AM 6 27.89 0.00 3.26 1.04 0.08 67.73 07:33:01 AM 7 19.70 0.00 2.46 0.44 0.08 77.33 07:34:01 AM all 24.59 0.28 2.86 0.67 0.07 71.52 07:34:01 AM 0 28.79 0.00 3.33 2.34 0.08 65.46 07:34:01 AM 1 27.66 0.02 2.75 0.59 0.07 68.92 07:34:01 AM 2 21.14 0.02 2.99 0.69 0.07 75.10 07:34:01 AM 3 26.28 0.00 3.49 0.35 0.08 69.80 07:34:01 AM 4 20.26 0.64 2.56 0.18 0.08 76.27 07:34:01 AM 5 28.90 0.35 2.36 0.15 0.07 68.17 07:34:01 AM 6 22.04 1.17 2.45 0.49 0.07 73.78 07:34:01 AM 7 21.61 0.03 2.98 0.57 0.07 74.73 Average: all 22.77 0.09 2.25 0.70 0.07 74.11 Average: 0 28.48 0.00 1.77 0.99 0.08 68.68 Average: 1 29.34 0.01 3.08 1.12 0.07 66.39 Average: 2 18.64 0.01 2.13 0.65 0.07 78.49 Average: 3 30.59 0.00 2.38 0.41 0.08 66.53 Average: 4 17.10 0.21 1.96 0.30 0.08 80.35 Average: 5 20.19 0.12 2.06 0.75 0.07 76.82 Average: 6 21.89 0.39 2.37 0.77 0.07 74.51 Average: 7 15.95 0.01 2.25 0.58 0.07 81.13