---> uname -a: Linux prd-centos8-docker-8c-8g-4051.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 1064 27074 19 3751 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:a9:93:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.110/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fea9:9324/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:60:94:8e: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::42:60ff:fe94:8ec0/64 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) 04/06/2026 _x86_64_ (8 CPU) 03:37:25 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 174.34 14.68 159.66 3225.46 10157.60 03:40:01 AM 539.68 4.80 534.88 1165.81 15655.07 03:41:01 AM 279.67 3.02 276.66 446.92 47423.09 Average: 331.22 7.50 323.72 1612.75 24412.41 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28981328 30890896 3674384 11.25 2688 2227488 1788784 5.31 159584 3055764 172664 03:40:01 AM 27747496 30110952 4908216 15.03 2688 2671324 2291296 6.80 273776 4132684 256220 03:41:01 AM 26615904 29912292 6039808 18.50 2688 3590296 2474912 7.34 650020 4833772 66716 Average: 27781576 30304713 4874136 14.93 2688 2829703 2184997 6.48 361127 4007407 165200 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 155.55 128.27 1851.09 29.84 0.00 0.00 0.00 0.00 03:39:01 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 527.96 442.16 6436.48 60.00 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 671.76 552.40 7134.83 1371.05 0.00 0.00 0.00 0.00 03:41:01 AM docker0 9.98 13.91 0.58 307.95 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 451.75 374.27 5140.73 486.99 0.00 0.00 0.00 0.00 Average: docker0 3.33 4.64 0.19 102.66 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) 04/06/2026 _x86_64_ (8 CPU) 03:37:25 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 10.39 0.00 1.00 0.39 0.05 88.17 03:39:01 AM 0 8.36 0.00 1.00 0.27 0.05 90.32 03:39:01 AM 1 7.34 0.00 0.37 0.07 0.07 92.16 03:39:01 AM 2 11.23 0.00 0.57 0.22 0.05 87.93 03:39:01 AM 3 12.20 0.00 0.98 0.48 0.05 86.28 03:39:01 AM 4 29.75 0.00 3.26 0.70 0.07 66.23 03:39:01 AM 5 1.12 0.00 0.28 0.00 0.05 98.55 03:39:01 AM 6 6.09 0.00 0.75 1.04 0.05 92.07 03:39:01 AM 7 7.00 0.00 0.77 0.35 0.05 91.83 03:40:01 AM all 28.47 0.00 1.64 1.05 0.09 68.75 03:40:01 AM 0 35.09 0.00 1.09 0.67 0.07 63.09 03:40:01 AM 1 31.44 0.00 2.48 2.42 0.10 63.56 03:40:01 AM 2 33.13 0.00 1.40 0.69 0.07 64.72 03:40:01 AM 3 30.33 0.00 1.67 1.69 0.08 66.22 03:40:01 AM 4 24.49 0.00 1.39 0.37 0.10 73.66 03:40:01 AM 5 21.03 0.00 2.13 1.36 0.10 75.39 03:40:01 AM 6 31.70 0.00 1.64 0.70 0.08 65.87 03:40:01 AM 7 20.56 0.00 1.31 0.50 0.08 77.55 03:41:01 AM all 16.63 0.00 2.96 0.86 0.08 79.47 03:41:01 AM 0 18.99 0.00 2.06 0.15 0.08 78.71 03:41:01 AM 1 22.77 0.00 4.30 2.18 0.10 70.66 03:41:01 AM 2 18.58 0.00 2.89 0.79 0.08 77.66 03:41:01 AM 3 10.91 0.00 3.21 1.72 0.08 84.08 03:41:01 AM 4 18.39 0.00 3.25 0.82 0.07 77.47 03:41:01 AM 5 11.27 0.00 2.93 0.44 0.07 85.29 03:41:01 AM 6 19.97 0.00 2.56 0.39 0.08 77.00 03:41:01 AM 7 12.16 0.00 2.49 0.42 0.07 84.86 Average: all 18.49 0.00 1.86 0.77 0.07 78.80 Average: 0 20.81 0.00 1.38 0.36 0.07 77.37 Average: 1 20.49 0.00 2.38 1.55 0.09 75.49 Average: 2 20.98 0.00 1.62 0.56 0.07 76.78 Average: 3 17.82 0.00 1.95 1.30 0.07 78.86 Average: 4 24.22 0.00 2.63 0.63 0.08 72.44 Average: 5 11.13 0.00 1.78 0.60 0.07 86.42 Average: 6 19.25 0.00 1.65 0.71 0.07 78.32 Average: 7 13.24 0.00 1.52 0.42 0.07 84.75