---> uname -a: Linux prd-centos8-docker-4c-4g-8018.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 798 11841 19 3123 14619 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:c2:83:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.225/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86013sec preferred_lft 86013sec inet6 fe80::f816:3eff:fec2:830e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d1:e8:ad:56 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:d1ff:fee8:ad56/64 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) 05/04/2026 _x86_64_ (4 CPU) 05:50:24 LINUX RESTART (4 CPU) 05:51:01 AM tps rtps wtps bread/s bwrtn/s 05:52:01 AM 229.35 20.06 209.29 4149.43 11245.48 05:53:01 AM 112.90 1.97 110.93 108.92 10895.80 05:54:01 AM 25.08 0.00 25.08 0.00 6318.01 05:55:01 AM 10.93 2.73 8.20 136.38 334.09 05:56:01 AM 79.01 0.63 78.37 415.86 15782.19 Average: 91.48 5.08 86.40 962.73 8915.81 05:51:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:52:01 AM 12250456 14401436 3891076 24.11 2688 2356584 2057628 11.97 204100 3287512 248216 05:53:01 AM 10061872 12447860 6079660 37.66 2688 2587408 3506192 20.40 262704 5392964 181312 05:54:01 AM 9911344 12300780 6230188 38.60 2688 2590724 3521972 20.49 262776 5542444 1000 05:55:01 AM 8245836 10659692 7895696 48.92 2688 2614292 5185664 30.17 283980 7178068 4420 05:56:01 AM 7693836 10525768 8447696 52.34 2688 3022504 5546712 32.27 405980 7568800 1004 Average: 9632669 12067107 6508863 40.32 2688 2634302 3963634 23.06 283908 5793958 87190 05:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 AM eth0 238.99 193.44 3060.37 35.02 0.00 0.00 0.00 0.00 05:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 AM eth0 242.14 170.92 3409.53 28.37 0.00 0.00 0.00 0.00 05:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM eth0 15.93 15.41 3.05 26.75 0.00 0.00 0.00 0.00 05:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM lo 3.27 3.27 0.46 0.46 0.00 0.00 0.00 0.00 05:55:01 AM eth0 21.30 19.86 4.58 14.03 0.00 0.00 0.00 0.00 05:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM lo 13.41 13.41 26.62 26.62 0.00 0.00 0.00 0.00 05:56:01 AM eth0 188.45 104.22 2826.81 10.03 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 05:56:01 AM veth56ee111 0.18 0.43 0.01 0.03 0.00 0.00 0.00 0.00 05:56:01 AM br-92893b4e7aa4 5.65 5.53 25.63 0.93 0.00 0.00 0.00 0.00 Average: lo 3.34 3.34 5.41 5.41 0.00 0.00 0.00 0.00 Average: eth0 141.38 100.79 1861.14 22.84 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth56ee111 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-92893b4e7aa4 1.13 1.11 5.13 0.19 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) 05/04/2026 _x86_64_ (4 CPU) 05:50:24 LINUX RESTART (4 CPU) 05:51:01 AM CPU %user %nice %system %iowait %steal %idle 05:52:01 AM all 31.74 0.00 3.18 1.07 0.08 63.92 05:52:01 AM 0 20.71 0.00 1.70 0.50 0.08 77.01 05:52:01 AM 1 31.57 0.00 3.73 1.37 0.08 63.24 05:52:01 AM 2 30.64 0.00 2.76 0.50 0.08 66.02 05:52:01 AM 3 44.09 0.00 4.56 1.90 0.08 49.37 05:53:01 AM all 62.57 0.00 2.09 0.40 0.10 34.84 05:53:01 AM 0 53.96 0.00 2.62 0.89 0.10 42.43 05:53:01 AM 1 63.12 0.00 2.62 0.28 0.08 33.90 05:53:01 AM 2 72.13 0.00 0.95 0.02 0.10 26.80 05:53:01 AM 3 61.05 0.00 2.17 0.42 0.10 36.26 05:54:01 AM all 15.25 0.00 0.33 0.15 0.06 84.22 05:54:01 AM 0 19.15 0.00 0.30 0.17 0.07 80.32 05:54:01 AM 1 12.50 0.00 0.28 0.00 0.07 87.15 05:54:01 AM 2 10.49 0.00 0.38 0.05 0.07 89.01 05:54:01 AM 3 18.84 0.00 0.33 0.37 0.05 80.41 05:55:01 AM all 42.60 0.00 0.91 0.04 0.09 56.37 05:55:01 AM 0 50.10 0.00 1.32 0.00 0.10 48.48 05:55:01 AM 1 30.13 0.00 0.77 0.07 0.08 68.95 05:55:01 AM 2 36.77 0.00 0.45 0.02 0.07 62.70 05:55:01 AM 3 53.37 0.00 1.10 0.08 0.10 45.34 05:56:01 AM all 16.05 0.00 2.70 0.67 0.08 80.49 05:56:01 AM 0 17.38 0.00 2.87 1.31 0.08 78.35 05:56:01 AM 1 15.94 0.00 2.38 0.34 0.07 81.28 05:56:01 AM 2 15.10 0.00 2.82 0.65 0.08 81.34 05:56:01 AM 3 15.80 0.00 2.74 0.37 0.08 81.01 Average: all 33.66 0.00 1.84 0.46 0.08 63.95 Average: 0 32.27 0.00 1.76 0.57 0.09 65.31 Average: 1 30.67 0.00 1.96 0.41 0.08 66.89 Average: 2 33.05 0.00 1.47 0.25 0.08 65.15 Average: 3 38.66 0.00 2.18 0.63 0.08 58.45