---> uname -a: Linux prd-centos8-docker-8c-8g-7198.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 1060 26498 19 4331 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:3d:6c:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.108/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86062sec preferred_lft 86062sec inet6 fe80::f816:3eff:fe3d:6c62/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1e:85:a7:ca 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::42:1eff:fe85:a7ca/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) 04/30/2026 _x86_64_ (8 CPU) 08:13:03 LINUX RESTART (8 CPU) 08:14:01 AM tps rtps wtps bread/s bwrtn/s 08:15:01 AM 164.91 17.29 147.62 7764.48 10273.26 08:16:01 AM 220.84 3.95 216.89 880.64 10967.71 08:17:01 AM 130.12 14.63 115.49 1231.46 37641.27 08:18:01 AM 101.03 0.18 100.85 62.10 8777.79 Average: 154.23 9.01 145.21 2484.57 16914.67 08:14:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:15:01 AM 29053588 31082404 3602124 11.03 2688 2347896 1609604 4.78 239244 2909368 189244 08:16:01 AM 27784508 30221432 4871204 14.92 2688 2747944 2713592 8.05 329588 4050240 293132 08:17:01 AM 25940164 29213972 6715548 20.56 2688 3567588 4341744 12.88 545464 5607480 168 08:18:01 AM 27123256 31069428 5532456 16.94 2688 4235936 1550156 4.60 820568 4148892 453108 Average: 27475379 30396809 5180333 15.86 2688 3224841 2553774 7.58 483716 4178995 233913 08:14:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 AM eth0 129.36 92.22 1656.84 19.06 0.00 0.00 0.00 0.00 08:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 AM eth0 494.94 389.29 5995.54 51.89 0.00 0.00 0.00 0.00 08:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 AM lo 3.98 3.98 0.43 0.43 0.00 0.00 0.00 0.00 08:17:01 AM eth0 1216.83 287.90 6446.96 29.24 0.00 0.00 0.00 0.00 08:17:01 AM docker0 1.60 2.15 0.21 0.24 0.00 0.00 0.00 0.00 08:17:01 AM veth3c1146e 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:18:01 AM lo 9.61 9.61 0.95 0.95 0.00 0.00 0.00 0.00 08:18:01 AM eth0 144.99 122.84 1707.97 24.87 0.00 0.00 0.00 0.00 08:18:01 AM docker0 3.28 3.81 0.44 0.45 0.00 0.00 0.00 0.00 Average: lo 3.40 3.40 0.35 0.35 0.00 0.00 0.00 0.00 Average: eth0 496.51 223.06 3951.73 31.27 0.00 0.00 0.00 0.00 Average: docker0 1.22 1.49 0.16 0.17 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) 04/30/2026 _x86_64_ (8 CPU) 08:13:03 LINUX RESTART (8 CPU) 08:14:01 AM CPU %user %nice %system %iowait %steal %idle 08:15:01 AM all 10.59 0.00 1.22 1.89 0.07 86.23 08:15:01 AM 0 4.22 0.00 0.75 1.52 0.08 93.42 08:15:01 AM 1 6.33 0.00 0.87 2.68 0.08 90.04 08:15:01 AM 2 16.07 0.00 2.01 3.59 0.07 78.26 08:15:01 AM 3 8.38 0.00 1.04 2.07 0.10 88.42 08:15:01 AM 4 21.76 0.00 2.52 2.15 0.08 73.49 08:15:01 AM 5 10.04 0.00 1.02 0.63 0.05 88.26 08:15:01 AM 6 13.45 0.00 0.97 1.75 0.07 83.76 08:15:01 AM 7 4.47 0.00 0.58 0.73 0.03 94.18 08:16:01 AM all 25.78 0.00 1.37 3.12 0.09 69.64 08:16:01 AM 0 11.25 0.00 1.29 4.73 0.08 82.65 08:16:01 AM 1 25.10 0.00 1.51 1.76 0.10 71.54 08:16:01 AM 2 13.35 0.00 1.74 5.18 0.07 79.66 08:16:01 AM 3 30.79 0.00 1.53 1.42 0.08 66.18 08:16:01 AM 4 36.77 0.00 1.37 3.09 0.08 58.69 08:16:01 AM 5 25.41 0.00 1.47 4.07 0.10 68.94 08:16:01 AM 6 34.50 0.00 1.02 2.61 0.08 61.79 08:16:01 AM 7 29.06 0.00 1.05 2.11 0.08 67.70 08:17:01 AM all 22.67 0.27 2.95 2.26 0.09 71.77 08:17:01 AM 0 26.62 0.00 3.04 0.65 0.08 69.61 08:17:01 AM 1 24.19 0.03 2.52 3.08 0.10 70.07 08:17:01 AM 2 12.67 1.99 3.69 7.31 0.08 74.26 08:17:01 AM 3 24.91 0.00 3.41 1.55 0.10 70.03 08:17:01 AM 4 31.77 0.00 2.90 1.08 0.08 64.17 08:17:01 AM 5 14.96 0.05 2.85 3.13 0.07 78.94 08:17:01 AM 6 21.26 0.00 2.22 0.50 0.08 75.93 08:17:01 AM 7 24.98 0.07 2.95 0.74 0.10 71.16 08:18:01 AM all 18.57 0.44 2.30 3.60 0.08 75.01 08:18:01 AM 0 15.13 0.00 1.98 3.26 0.08 79.54 08:18:01 AM 1 18.75 0.00 2.98 4.47 0.08 73.72 08:18:01 AM 2 19.65 0.54 2.50 4.66 0.08 72.58 08:18:01 AM 3 17.55 0.07 2.19 4.54 0.07 75.58 08:18:01 AM 4 24.91 2.91 1.84 0.47 0.08 69.78 08:18:01 AM 5 14.27 0.00 1.99 5.16 0.07 78.51 08:18:01 AM 6 17.10 0.03 2.09 0.59 0.07 80.12 08:18:01 AM 7 21.22 0.00 2.80 5.63 0.08 70.27 Average: all 19.40 0.18 1.96 2.72 0.08 75.67 Average: 0 14.29 0.00 1.76 2.54 0.08 81.32 Average: 1 18.58 0.01 1.97 3.00 0.09 76.35 Average: 2 15.44 0.63 2.48 5.18 0.08 76.20 Average: 3 20.39 0.02 2.04 2.40 0.09 75.06 Average: 4 28.79 0.73 2.16 1.70 0.08 66.54 Average: 5 16.17 0.01 1.83 3.25 0.07 78.67 Average: 6 21.57 0.01 1.57 1.36 0.08 75.40 Average: 7 19.92 0.02 1.84 2.30 0.08 75.85