---> uname -a: Linux prd-centos8-docker-4c-4g-8023.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: 2799.996 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 830 11810 19 3121 14586 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:75:78:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.234/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86008sec preferred_lft 86008sec inet6 fe80::f816:3eff:fe75:78f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f4:da:9d:93 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:f4ff:feda:9d93/64 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) 05:50:54 LINUX RESTART (4 CPU) 05:51:01 AM tps rtps wtps bread/s bwrtn/s 05:52:01 AM 358.59 125.60 232.99 13544.69 43223.25 05:53:01 AM 224.58 20.95 203.63 4153.07 14778.38 05:54:01 AM 86.80 0.87 85.94 75.04 10132.57 05:55:01 AM 3.78 0.05 3.73 1.07 330.13 05:56:01 AM 80.26 3.47 76.79 557.95 15242.90 05:57:01 AM 25.77 0.13 25.64 11.60 3857.41 Average: 129.97 25.17 104.80 3057.12 14593.72 05:51:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:52:01 AM 13321532 15102660 2820000 17.47 2688 1995664 1093292 6.36 145292 2319128 183312 05:53:01 AM 11445816 13640540 4695716 29.09 2688 2399220 2079636 12.10 232488 4054260 95988 05:54:01 AM 9972884 12361724 6168648 38.22 2688 2590320 3664276 21.32 262640 5480952 2112 05:55:01 AM 9262268 11657316 6879264 42.62 2688 2596276 4132892 24.04 264376 6188228 828 05:56:01 AM 5562608 8481912 10578924 65.54 2688 3109388 13894012 80.83 383104 9684428 54036 05:57:01 AM 12074820 14911880 4066712 25.19 2688 3027608 1252800 7.29 581500 3027628 14124 Average: 10273321 12692672 5868211 36.35 2688 2619746 4352818 25.32 311567 5125771 58400 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 389.62 205.37 1905.40 68.56 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 246.71 202.70 2812.04 37.16 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 195.52 138.60 2844.07 35.75 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM eth0 17.93 18.18 3.58 22.21 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 13.86 13.86 26.94 26.94 0.00 0.00 0.00 0.00 05:56:01 AM eth0 198.27 114.21 2827.81 15.16 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 05:56:01 AM veth410b32a 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 05:56:01 AM br-3db71537bc78 5.15 5.16 25.57 0.89 0.00 0.00 0.00 0.00 05:56:01 AM vethba891ac 5.46 5.20 25.64 0.87 0.00 0.00 0.00 0.00 05:56:01 AM veth7727bbf 10.10 10.66 26.49 26.54 0.00 0.00 0.00 0.00 05:57:01 AM lo 2.93 2.93 0.19 0.19 0.00 0.00 0.00 0.00 05:57:01 AM eth0 12.11 9.98 8.59 4.85 0.00 0.00 0.00 0.00 05:57:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.80 2.80 4.52 4.52 0.00 0.00 0.00 0.00 Average: eth0 176.70 114.85 1733.72 30.61 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 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) 05:50:54 LINUX RESTART (4 CPU) 05:51:01 AM CPU %user %nice %system %iowait %steal %idle 05:52:01 AM all 27.87 0.00 5.21 3.20 0.10 63.62 05:52:01 AM 0 23.44 0.00 4.45 3.32 0.10 68.68 05:52:01 AM 1 26.04 0.00 6.01 1.75 0.10 66.10 05:52:01 AM 2 17.46 0.00 5.05 4.50 0.08 72.91 05:52:01 AM 3 44.40 0.00 5.33 3.22 0.10 46.95 05:53:01 AM all 45.40 0.00 2.96 1.32 0.10 50.22 05:53:01 AM 0 43.93 0.00 3.36 1.45 0.10 51.16 05:53:01 AM 1 38.97 0.00 2.25 1.12 0.10 57.56 05:53:01 AM 2 45.68 0.00 2.11 0.94 0.10 51.18 05:53:01 AM 3 53.03 0.00 4.13 1.77 0.10 40.97 05:54:01 AM all 51.12 0.00 1.52 0.39 0.09 46.88 05:54:01 AM 0 50.97 0.00 1.05 0.80 0.10 47.08 05:54:01 AM 1 52.75 0.00 1.07 0.10 0.08 46.00 05:54:01 AM 2 55.20 0.00 1.69 0.13 0.10 42.88 05:54:01 AM 3 45.56 0.00 2.26 0.52 0.08 51.58 05:55:01 AM all 19.31 0.00 0.49 0.01 0.07 80.12 05:55:01 AM 0 16.07 0.00 0.35 0.00 0.07 83.51 05:55:01 AM 1 31.93 0.00 0.82 0.03 0.08 67.13 05:55:01 AM 2 12.20 0.00 0.47 0.00 0.07 87.27 05:55:01 AM 3 17.03 0.00 0.32 0.02 0.07 82.57 05:56:01 AM all 44.09 0.00 3.25 0.60 0.12 51.94 05:56:01 AM 0 39.77 0.00 2.65 0.22 0.12 57.25 05:56:01 AM 1 68.30 0.00 4.41 0.69 0.13 26.46 05:56:01 AM 2 32.35 0.00 3.19 0.91 0.10 63.46 05:56:01 AM 3 35.98 0.00 2.73 0.59 0.12 60.58 05:57:01 AM all 19.36 0.00 1.33 0.13 0.07 79.12 05:57:01 AM 0 16.76 0.00 0.92 0.18 0.07 82.08 05:57:01 AM 1 19.87 0.00 1.30 0.05 0.07 78.71 05:57:01 AM 2 23.43 0.00 1.76 0.20 0.08 74.53 05:57:01 AM 3 17.38 0.00 1.34 0.07 0.07 81.15 Average: all 34.53 0.00 2.45 0.94 0.09 61.99 Average: 0 31.84 0.00 2.12 0.99 0.09 64.95 Average: 1 39.67 0.00 2.63 0.62 0.10 56.98 Average: 2 31.06 0.00 2.37 1.11 0.09 65.36 Average: 3 35.55 0.00 2.68 1.03 0.09 60.65