---> uname -a: Linux prd-centos8-docker-4c-4g-8022.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 794 11842 19 3126 14622 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:98:8c:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.139/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85981sec preferred_lft 85981sec inet6 fe80::f816:3eff:fe98:8cbb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:05:7f:ea:05 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::42:5ff:fe7f:ea05/64 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) 05:50:52 LINUX RESTART (4 CPU) 05:51:01 AM tps rtps wtps bread/s bwrtn/s 05:52:01 AM 305.45 54.90 250.55 7891.39 43354.03 05:53:01 AM 227.96 20.21 207.75 4176.90 14798.43 05:54:01 AM 86.19 1.72 84.47 102.77 10057.23 05:55:01 AM 5.32 0.00 5.32 0.00 294.38 05:56:01 AM 21.36 3.17 18.19 544.09 1193.84 05:57:01 AM 75.96 0.15 75.81 2.27 17314.71 Average: 120.37 13.36 107.01 2119.57 14502.49 05:51:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:52:01 AM 13341416 15121712 2800116 17.35 2688 1995232 1116040 6.49 145728 2298672 183380 05:53:01 AM 11687344 13882320 4454188 27.59 2688 2399368 2471204 14.38 222936 3821652 94904 05:54:01 AM 10568172 12958096 5573360 34.53 2688 2591368 2855444 16.61 263060 4887176 2840 05:55:01 AM 9831236 12225580 6310296 39.09 2688 2595608 3564876 20.74 263836 5622164 2468 05:56:01 AM 8926908 11651136 7214624 44.70 2688 2917888 4527984 26.34 334736 6421888 272448 05:57:01 AM 8781156 11615544 7360376 45.60 2688 3024848 4423652 25.73 405828 6480040 1000 Average: 10522705 12909065 5618827 34.81 2688 2587385 3159867 18.38 272687 4921932 92840 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 371.26 210.05 1904.93 71.15 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 238.49 195.98 2816.14 32.91 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 184.02 139.20 2843.16 32.84 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 14.80 15.88 2.84 21.88 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 3.63 3.63 0.48 0.48 0.00 0.00 0.00 0.00 05:56:01 AM eth0 208.16 106.80 2718.23 18.47 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 05:56:01 AM veth25814cf 0.08 0.28 0.01 0.03 0.00 0.00 0.00 0.00 05:57:01 AM lo 12.61 12.61 26.65 26.65 0.00 0.00 0.00 0.00 05:57:01 AM eth0 6.81 5.88 117.28 1.01 0.00 0.00 0.00 0.00 05:57:01 AM docker0 0.10 0.10 0.00 0.01 0.00 0.00 0.00 0.00 05:57:01 AM veth25814cf 0.10 0.17 0.01 0.01 0.00 0.00 0.00 0.00 05:57:01 AM br-21a5dd9d76e7 5.63 5.70 25.61 0.94 0.00 0.00 0.00 0.00 Average: lo 2.71 2.71 4.52 4.52 0.00 0.00 0.00 0.00 Average: eth0 170.59 112.30 1733.78 29.71 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 Average: veth25814cf 0.03 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-21a5dd9d76e7 0.94 0.95 4.27 0.16 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) 05:50:52 LINUX RESTART (4 CPU) 05:51:01 AM CPU %user %nice %system %iowait %steal %idle 05:52:01 AM all 27.04 0.00 5.61 3.09 0.11 64.15 05:52:01 AM 0 25.58 0.00 4.63 2.47 0.09 67.24 05:52:01 AM 1 19.05 0.00 5.24 3.68 0.10 71.93 05:52:01 AM 2 41.78 0.00 7.84 3.63 0.14 46.62 05:52:01 AM 3 21.78 0.00 4.72 2.59 0.12 70.79 05:53:01 AM all 42.77 0.00 3.36 1.31 0.12 52.44 05:53:01 AM 0 48.73 0.00 3.36 0.73 0.13 47.05 05:53:01 AM 1 39.90 0.00 3.57 1.32 0.12 55.09 05:53:01 AM 2 38.85 0.00 1.86 0.91 0.10 58.28 05:53:01 AM 3 43.63 0.00 4.64 2.29 0.12 49.33 05:54:01 AM all 62.50 0.00 1.83 0.44 0.12 35.12 05:54:01 AM 0 59.14 0.00 2.36 0.49 0.14 37.88 05:54:01 AM 1 61.86 0.00 1.10 0.13 0.12 36.78 05:54:01 AM 2 60.83 0.00 2.26 0.35 0.12 36.44 05:54:01 AM 3 68.16 0.00 1.58 0.77 0.12 29.37 05:55:01 AM all 14.58 0.00 0.48 0.03 0.06 84.85 05:55:01 AM 0 18.19 0.00 0.38 0.00 0.07 81.36 05:55:01 AM 1 17.77 0.00 0.57 0.00 0.05 81.61 05:55:01 AM 2 12.56 0.00 0.47 0.13 0.07 86.77 05:55:01 AM 3 9.79 0.00 0.50 0.00 0.05 89.66 05:56:01 AM all 44.78 0.00 1.84 0.08 0.12 53.18 05:56:01 AM 0 73.77 0.00 2.80 0.13 0.13 23.16 05:56:01 AM 1 39.79 0.00 1.92 0.08 0.13 58.07 05:56:01 AM 2 32.63 0.00 1.38 0.03 0.10 65.85 05:56:01 AM 3 32.84 0.00 1.24 0.07 0.10 65.75 05:57:01 AM all 16.47 0.00 3.16 0.73 0.08 79.55 05:57:01 AM 0 16.72 0.00 2.65 1.06 0.08 79.48 05:57:01 AM 1 17.43 0.00 4.71 0.89 0.09 76.89 05:57:01 AM 2 16.36 0.00 2.65 0.44 0.08 80.47 05:57:01 AM 3 15.40 0.00 2.66 0.54 0.08 81.32 Average: all 34.70 0.00 2.70 0.94 0.10 61.55 Average: 0 40.34 0.00 2.69 0.81 0.11 56.05 Average: 1 32.70 0.00 2.84 1.02 0.10 63.35 Average: 2 33.83 0.00 2.73 0.91 0.10 62.44 Average: 3 31.95 0.00 2.55 1.04 0.10 64.36