---> uname -a: Linux prd-centos8-docker-8c-8g-998.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 1068 27208 19 3612 30362 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:dd:01:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.79/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fedd:1ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c7:e9:2d:ac 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:c7ff:fee9:2dac/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) 03/10/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 247.03 14.46 232.57 3198.00 13162.51 05:14:01 PM 444.07 6.48 437.59 1208.00 15238.15 05:15:01 PM 172.36 2.60 169.76 446.12 39677.86 Average: 287.82 7.85 279.97 1617.37 22692.84 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29000584 30933724 3655128 11.19 2688 2247912 1775524 5.27 191464 2989252 129660 05:14:01 PM 27582336 30058720 5073376 15.54 2688 2780776 2210820 6.56 408012 4147616 283792 05:15:01 PM 27844820 31072636 4810892 14.73 2688 3524412 1544080 4.58 813252 3455884 164732 Average: 28142580 30688360 4513132 13.82 2688 2851033 1843475 5.47 470909 3530917 192728 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 241.00 206.98 2571.01 53.16 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 612.10 497.30 7888.45 64.35 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 371.39 349.98 3656.99 2375.51 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.80 13.91 0.51 257.06 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 408.16 351.42 4705.48 831.01 0.00 0.00 0.00 0.00 Average: docker0 2.27 4.64 0.17 85.69 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) 03/10/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 15.29 0.00 1.41 1.01 0.09 82.20 05:13:01 PM 0 7.57 0.00 0.90 0.52 0.08 90.93 05:13:01 PM 1 7.31 0.00 1.49 1.40 0.08 89.71 05:13:01 PM 2 15.52 0.00 1.49 0.99 0.10 81.90 05:13:01 PM 3 18.36 0.00 1.25 1.00 0.08 79.30 05:13:01 PM 4 25.34 0.00 2.09 0.43 0.10 72.04 05:13:01 PM 5 17.64 0.00 1.54 1.77 0.07 78.99 05:13:01 PM 6 20.86 0.00 1.52 1.07 0.08 76.47 05:13:01 PM 7 9.75 0.00 0.99 0.89 0.08 88.29 05:14:01 PM all 29.45 0.00 1.96 1.41 0.11 67.07 05:14:01 PM 0 25.10 0.00 1.95 0.70 0.10 72.15 05:14:01 PM 1 35.10 0.00 1.79 0.99 0.12 61.99 05:14:01 PM 2 30.05 0.00 2.20 1.46 0.10 66.18 05:14:01 PM 3 29.60 0.00 2.00 1.16 0.13 67.11 05:14:01 PM 4 21.50 0.00 1.58 1.01 0.10 75.81 05:14:01 PM 5 31.95 0.00 1.85 1.90 0.12 64.19 05:14:01 PM 6 32.48 0.00 2.13 2.50 0.10 62.78 05:14:01 PM 7 29.76 0.00 2.20 1.55 0.12 66.37 05:15:01 PM all 16.37 0.00 2.60 1.24 0.09 79.70 05:15:01 PM 0 20.38 0.00 2.43 0.25 0.10 76.83 05:15:01 PM 1 8.75 0.00 2.65 3.64 0.08 84.87 05:15:01 PM 2 6.26 0.00 2.37 2.24 0.08 89.05 05:15:01 PM 3 19.08 0.00 2.45 0.69 0.07 77.71 05:15:01 PM 4 20.73 0.00 2.82 1.02 0.08 75.34 05:15:01 PM 5 24.30 0.00 2.62 0.32 0.10 72.66 05:15:01 PM 6 18.91 0.00 2.94 0.72 0.08 77.34 05:15:01 PM 7 12.51 0.00 2.54 1.06 0.08 83.81 Average: all 20.36 0.00 1.99 1.22 0.09 76.33 Average: 0 17.67 0.00 1.76 0.49 0.09 79.98 Average: 1 17.05 0.00 1.98 2.01 0.09 78.86 Average: 2 17.28 0.00 2.02 1.56 0.10 79.05 Average: 3 22.35 0.00 1.90 0.95 0.09 74.71 Average: 4 22.53 0.00 2.16 0.82 0.10 74.39 Average: 5 24.62 0.00 2.00 1.33 0.10 71.95 Average: 6 24.08 0.00 2.20 1.43 0.09 72.21 Average: 7 17.33 0.00 1.91 1.16 0.10 79.50