---> uname -a: Linux prd-centos8-docker-4c-4g-598.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 796 11842 19 3124 14621 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:8f:bd:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.91/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86004sec preferred_lft 86004sec inet6 fe80::f816:3eff:fe8f:bd15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fc:5b:eb:50 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:fcff:fe5b:eb50/64 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) 05/18/2026 _x86_64_ (4 CPU) 07:15:07 LINUX RESTART (4 CPU) 07:16:01 AM tps rtps wtps bread/s bwrtn/s 07:17:01 AM 221.30 20.13 201.17 4127.71 14393.62 07:18:01 AM 112.28 1.77 110.51 104.25 11799.77 07:19:01 AM 11.76 0.00 11.76 0.00 450.47 07:20:00 AM 20.81 3.33 17.48 557.91 1180.14 07:21:01 AM 68.91 0.13 68.78 2.12 14915.38 Average: 87.05 5.07 81.98 957.85 8559.25 07:16:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:17:01 AM 12210124 14361980 3931400 24.36 2688 2357572 1774188 10.32 209808 3312164 95324 07:18:01 AM 10552324 12939596 5589200 34.63 2688 2588964 2798988 16.28 263292 4900892 4368 07:19:01 AM 10390052 12782016 5751472 35.63 2688 2593484 2935972 17.08 263336 5064468 1988 07:20:00 AM 8556036 11357584 7585488 46.99 2688 2993792 4738368 27.56 337180 6784592 349660 07:21:01 AM 10759328 13593092 5382196 33.34 2688 3024692 2772660 16.13 409128 4507464 9964 Average: 10493573 13006854 5647951 34.99 2688 2711701 3004035 17.48 296549 4913916 92261 07:16:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 AM eth0 209.88 172.34 2366.60 30.25 0.00 0.00 0.00 0.00 07:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 AM eth0 238.36 180.15 3411.36 36.65 0.00 0.00 0.00 0.00 07:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 AM eth0 14.93 15.53 2.84 22.59 0.00 0.00 0.00 0.00 07:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:00 AM lo 3.71 3.71 0.49 0.49 0.00 0.00 0.00 0.00 07:20:00 AM eth0 230.34 140.15 2724.43 19.84 0.00 0.00 0.00 0.00 07:20:00 AM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 07:20:00 AM vethf668d40 0.08 0.30 0.01 0.03 0.00 0.00 0.00 0.00 07:21:01 AM lo 12.86 12.86 26.47 26.47 0.00 0.00 0.00 0.00 07:21:01 AM eth0 10.07 8.31 116.98 1.50 0.00 0.00 0.00 0.00 07:21:01 AM docker0 0.13 0.15 0.01 0.01 0.00 0.00 0.00 0.00 07:21:01 AM vethf668d40 0.13 0.20 0.01 0.01 0.00 0.00 0.00 0.00 07:21:01 AM br-2530f59c8a77 5.52 5.39 25.49 0.92 0.00 0.00 0.00 0.00 Average: lo 3.32 3.32 5.41 5.41 0.00 0.00 0.00 0.00 Average: eth0 140.53 103.18 1722.23 22.15 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethf668d40 0.04 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-2530f59c8a77 1.11 1.08 5.12 0.18 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) 05/18/2026 _x86_64_ (4 CPU) 07:15:07 LINUX RESTART (4 CPU) 07:16:01 AM CPU %user %nice %system %iowait %steal %idle 07:17:01 AM all 33.89 0.00 2.83 1.27 0.10 61.91 07:17:01 AM 0 35.85 0.00 2.09 1.03 0.12 60.91 07:17:01 AM 1 27.45 0.00 2.31 1.57 0.08 68.58 07:17:01 AM 2 39.15 0.00 4.41 1.71 0.10 54.63 07:17:01 AM 3 33.13 0.00 2.51 0.77 0.10 63.49 07:18:01 AM all 60.37 0.00 1.96 0.43 0.10 37.14 07:18:01 AM 0 65.91 0.00 2.41 0.27 0.10 31.31 07:18:01 AM 1 57.19 0.00 1.62 0.62 0.10 40.47 07:18:01 AM 2 60.26 0.00 1.24 0.27 0.10 38.14 07:18:01 AM 3 58.12 0.00 2.59 0.55 0.12 38.62 07:19:01 AM all 14.44 0.00 0.30 0.03 0.06 85.16 07:19:01 AM 0 16.34 0.00 0.20 0.05 0.07 83.35 07:19:01 AM 1 12.35 0.00 0.35 0.03 0.07 87.20 07:19:01 AM 2 16.71 0.00 0.32 0.00 0.05 82.92 07:19:01 AM 3 12.38 0.00 0.33 0.03 0.07 87.19 07:20:00 AM all 44.57 0.00 1.84 0.07 0.09 53.43 07:20:00 AM 0 31.83 0.00 1.82 0.05 0.08 66.22 07:20:00 AM 1 37.04 0.00 1.34 0.03 0.08 61.50 07:20:00 AM 2 65.40 0.00 2.28 0.12 0.10 32.10 07:20:00 AM 3 44.02 0.00 1.92 0.08 0.08 53.90 07:21:01 AM all 16.28 0.00 2.02 0.47 0.10 81.14 07:21:01 AM 0 17.20 0.00 2.26 0.40 0.07 80.07 07:21:01 AM 1 16.62 0.00 1.92 0.38 0.08 80.99 07:21:01 AM 2 15.18 0.00 1.85 0.60 0.13 82.23 07:21:01 AM 3 16.11 0.00 2.04 0.50 0.10 81.25 Average: all 33.89 0.00 1.79 0.45 0.09 63.78 Average: 0 33.41 0.00 1.75 0.36 0.09 64.38 Average: 1 30.11 0.00 1.51 0.53 0.08 67.77 Average: 2 39.29 0.00 2.02 0.54 0.10 58.06 Average: 3 32.73 0.00 1.88 0.39 0.09 64.91