---> uname -a: Linux prd-centos8-docker-8c-8g-2966.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 27120 19 3695 30353 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:36:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.94/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fedd:36ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ba:75:13:c0 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:baff:fe75:13c0/64 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) 03/19/2026 _x86_64_ (8 CPU) 03:37:18 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:02 AM 218.08 14.46 203.62 3198.00 10536.65 03:40:01 AM 501.02 4.89 496.12 1184.76 16290.82 03:41:01 AM 241.10 5.48 235.62 637.52 44534.69 Average: 319.11 8.30 310.81 1676.02 23827.15 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:02 AM 29138488 31061348 3517224 10.77 2688 2238244 1597920 4.74 190360 2859064 172748 03:40:01 AM 27533264 29933888 5122448 15.69 2688 2706300 2446404 7.26 391972 4214860 258936 03:41:01 AM 27766460 31074040 4889252 14.97 2688 3601260 1520932 4.51 651528 3680096 149328 Average: 28146071 30689759 4509641 13.81 2688 2848601 1855085 5.50 411287 3584673 193671 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:02 AM eth0 239.30 201.70 2488.29 50.29 0.00 0.00 0.00 0.00 03:39:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 549.26 455.88 6945.91 59.84 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 591.62 487.70 5665.58 2214.39 0.00 0.00 0.00 0.00 03:41:01 AM docker0 8.71 13.00 0.51 307.60 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 459.59 381.37 5023.11 778.63 0.00 0.00 0.00 0.00 Average: docker0 2.92 4.35 0.17 103.08 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) 03/19/2026 _x86_64_ (8 CPU) 03:37:18 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:02 AM all 13.97 0.00 1.22 0.60 0.06 84.16 03:39:02 AM 0 15.25 0.00 1.39 0.77 0.05 82.54 03:39:02 AM 1 17.07 0.00 1.57 0.55 0.07 80.74 03:39:02 AM 2 6.57 0.00 0.70 0.55 0.07 92.11 03:39:02 AM 3 11.57 0.00 1.66 1.21 0.08 85.48 03:39:02 AM 4 16.34 0.00 1.51 0.42 0.05 81.69 03:39:02 AM 5 19.00 0.00 0.53 0.08 0.05 80.33 03:39:02 AM 6 6.71 0.00 0.92 0.48 0.05 91.84 03:39:02 AM 7 19.22 0.00 1.45 0.74 0.05 78.54 03:40:01 AM all 27.62 0.00 1.80 1.14 0.09 69.36 03:40:01 AM 0 36.63 0.00 1.45 0.53 0.09 61.31 03:40:01 AM 1 28.48 0.00 1.30 0.56 0.09 69.58 03:40:01 AM 2 26.91 0.00 1.67 0.49 0.09 70.84 03:40:01 AM 3 19.84 0.00 2.69 3.57 0.09 73.82 03:40:01 AM 4 33.20 0.00 2.25 1.53 0.10 62.92 03:40:01 AM 5 31.83 0.00 2.62 1.00 0.09 64.45 03:40:01 AM 6 16.64 0.00 1.16 0.68 0.07 81.45 03:40:01 AM 7 27.41 0.00 1.26 0.73 0.09 70.51 03:41:01 AM all 16.97 0.00 2.97 0.78 0.08 79.21 03:41:01 AM 0 30.32 0.00 2.78 0.13 0.08 66.68 03:41:01 AM 1 11.16 0.00 2.94 1.82 0.07 84.02 03:41:01 AM 2 16.98 0.00 4.36 2.04 0.08 76.53 03:41:01 AM 3 19.50 0.00 3.13 0.35 0.08 76.93 03:41:01 AM 4 16.73 0.00 2.88 0.47 0.07 79.86 03:41:01 AM 5 14.79 0.00 2.22 0.40 0.07 82.52 03:41:01 AM 6 16.15 0.00 3.26 0.76 0.08 79.74 03:41:01 AM 7 10.08 0.00 2.18 0.27 0.07 87.41 Average: all 19.47 0.00 1.99 0.84 0.07 77.62 Average: 0 27.34 0.00 1.87 0.48 0.07 70.24 Average: 1 18.85 0.00 1.94 0.98 0.07 78.16 Average: 2 16.75 0.00 2.24 1.03 0.08 79.90 Average: 3 16.94 0.00 2.49 1.70 0.08 78.78 Average: 4 22.03 0.00 2.21 0.80 0.07 74.88 Average: 5 21.82 0.00 1.79 0.49 0.07 75.83 Average: 6 13.14 0.00 1.78 0.64 0.07 84.37 Average: 7 18.86 0.00 1.63 0.58 0.07 78.86