---> uname -a: Linux prd-centos8-docker-8c-8g-6327.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 1049 27147 19 3693 30377 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:03:65:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.229/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe03:65aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6f:5e:8e:83 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::42:6fff:fe5e:8e83/64 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) 02/09/2026 _x86_64_ (8 CPU) 03:37:56 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 432.52 14.83 417.68 3209.34 14293.06 03:41:01 AM 254.64 6.06 248.59 1199.60 15022.97 03:42:01 AM 182.06 2.10 179.96 441.32 39081.89 Average: 289.66 7.66 282.00 1615.91 22800.49 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28737884 30746480 3917828 12.00 2688 2320260 1846936 5.48 204368 3229548 145156 03:41:01 AM 27520576 29978604 5135136 15.73 2688 2761692 2325540 6.90 412924 4201668 161020 03:42:01 AM 27805936 31112516 4849776 14.85 2688 3598736 1455928 4.32 823852 3471012 149352 Average: 28021465 30612533 4634247 14.19 2688 2893563 1876135 5.57 480381 3634076 151843 03:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 326.49 292.26 3000.63 65.27 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 508.09 413.10 6400.29 52.43 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 516.36 451.93 4871.15 2347.72 0.00 0.00 0.00 0.00 03:42:01 AM docker0 9.06 11.70 0.53 308.08 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 450.39 385.81 4758.68 821.88 0.00 0.00 0.00 0.00 Average: docker0 3.02 3.90 0.18 102.70 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) 02/09/2026 _x86_64_ (8 CPU) 03:37:56 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 15.79 0.00 1.36 1.57 0.08 81.21 03:40:01 AM 0 8.96 0.00 2.56 3.17 0.10 85.21 03:40:01 AM 1 16.07 0.00 0.86 0.69 0.08 82.30 03:40:01 AM 2 24.49 0.00 1.64 1.64 0.08 72.14 03:40:01 AM 3 21.57 0.00 1.15 1.59 0.07 75.62 03:40:01 AM 4 12.06 0.00 0.96 1.10 0.10 85.78 03:40:01 AM 5 11.10 0.00 1.01 1.19 0.07 86.63 03:40:01 AM 6 19.50 0.00 1.65 1.96 0.08 76.80 03:40:01 AM 7 12.47 0.00 1.02 1.20 0.05 85.26 03:41:01 AM all 28.30 0.00 1.52 0.92 0.09 69.17 03:41:01 AM 0 34.88 0.00 0.97 0.30 0.08 63.76 03:41:01 AM 1 25.57 0.00 1.47 0.49 0.08 72.39 03:41:01 AM 2 23.90 0.00 1.76 1.59 0.10 72.65 03:41:01 AM 3 41.43 0.00 1.60 0.37 0.08 56.51 03:41:01 AM 4 23.63 0.00 1.24 1.33 0.08 73.72 03:41:01 AM 5 26.68 0.00 1.79 1.56 0.10 69.86 03:41:01 AM 6 29.02 0.00 2.10 1.46 0.08 67.34 03:41:01 AM 7 21.32 0.00 1.22 0.30 0.08 77.07 03:42:01 AM all 12.10 0.00 3.02 1.31 0.09 83.48 03:42:01 AM 0 9.42 0.00 2.58 0.65 0.12 87.22 03:42:01 AM 1 11.47 0.00 3.06 1.81 0.10 83.57 03:42:01 AM 2 17.30 0.00 3.06 2.30 0.08 77.25 03:42:01 AM 3 14.34 0.00 3.29 0.92 0.10 81.34 03:42:01 AM 4 11.43 0.00 3.18 1.51 0.07 83.81 03:42:01 AM 5 11.63 0.00 2.82 0.10 0.10 85.35 03:42:01 AM 6 12.19 0.00 3.35 2.88 0.10 81.48 03:42:01 AM 7 9.06 0.00 2.79 0.27 0.07 87.81 Average: all 18.73 0.00 1.96 1.27 0.09 77.95 Average: 0 17.77 0.00 2.04 1.37 0.10 78.72 Average: 1 17.71 0.00 1.80 1.00 0.09 79.41 Average: 2 21.91 0.00 2.15 1.84 0.09 74.01 Average: 3 25.77 0.00 2.01 0.96 0.08 71.17 Average: 4 15.72 0.00 1.79 1.31 0.08 81.09 Average: 5 16.48 0.00 1.87 0.95 0.09 80.61 Average: 6 20.24 0.00 2.36 2.10 0.09 75.20 Average: 7 14.29 0.00 1.68 0.59 0.07 83.38