---> uname -a: Linux prd-centos8-docker-4c-4g-8016.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 809 11838 19 3115 14608 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:39:f1:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.103/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86018sec preferred_lft 86018sec inet6 fe80::f816:3eff:fe39:f16c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:67:c8:f7:bf 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::42:67ff:fec8:f7bf/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) 05:49:49 LINUX RESTART (4 CPU) 05:50:00 AM tps rtps wtps bread/s bwrtn/s 05:50:02 AM 3542.29 3538.81 3.48 190750.25 27.86 05:51:01 AM 305.88 39.82 266.06 7812.96 45430.29 05:52:01 AM 223.10 21.80 201.30 4137.98 15403.33 05:53:01 AM 69.09 0.05 69.04 1.07 8255.84 05:54:01 AM 3.97 0.00 3.97 0.00 340.25 05:55:01 AM 81.56 3.38 78.17 581.94 15411.26 05:56:01 AM 34.58 0.45 34.13 56.92 1971.94 Average: 138.23 30.47 107.76 3132.81 14303.19 05:50:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:50:02 AM 15230864 15456324 910668 5.64 2688 458756 752200 4.66 63944 561424 9436 05:51:01 AM 13207852 15034428 2933680 18.17 2688 2039892 1155292 6.72 153596 2417804 207088 05:52:01 AM 11770540 13968416 4370992 27.08 2688 2401960 2085476 12.13 236128 3724872 45868 05:53:01 AM 10689316 13074524 5452216 33.78 2688 2586592 2777432 16.16 263308 4765096 1972 05:54:01 AM 10085588 12477640 6055944 37.52 2688 2593176 3330632 19.38 264980 5365816 1540 05:55:01 AM 6825220 9707672 9316312 57.72 2688 3072504 12856616 74.79 383624 8425328 16224 05:56:01 AM 12148204 14981984 3993328 24.74 2688 3024400 1146148 6.67 591620 2947716 7424 Average: 11422512 13528713 4719020 29.24 2688 2311040 3443399 20.03 279600 4029722 41365 05:50:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:50:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:02 AM eth0 11.94 6.47 2.77 1.58 0.00 0.00 0.00 0.00 05:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 AM eth0 393.66 226.36 2092.89 75.20 0.00 0.00 0.00 0.00 05:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 253.22 214.21 2674.85 36.63 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 191.73 141.31 2835.87 35.87 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 17.83 16.38 3.55 21.57 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 13.68 13.68 27.00 27.00 0.00 0.00 0.00 0.00 05:55:01 AM eth0 201.83 126.14 2827.09 14.32 0.00 0.00 0.00 0.00 05:55:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 05:55:01 AM vethd995caa 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 05:55:01 AM br-28dfc05405c9 5.41 5.28 25.58 0.90 0.00 0.00 0.00 0.00 05:55:01 AM vetha847880 5.83 5.41 25.67 0.89 0.00 0.00 0.00 0.00 05:55:01 AM veth678fe83 10.58 11.15 26.52 26.57 0.00 0.00 0.00 0.00 05:56:01 AM lo 2.78 2.78 0.22 0.22 0.00 0.00 0.00 0.00 05:56:01 AM eth0 20.70 15.86 19.89 7.26 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.74 2.74 4.52 4.52 0.00 0.00 0.00 0.00 Average: eth0 178.31 122.44 1731.70 31.52 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) 05:49:49 LINUX RESTART (4 CPU) 05:50:00 AM CPU %user %nice %system %iowait %steal %idle 05:50:02 AM all 19.75 0.38 24.71 13.12 0.00 42.04 05:50:02 AM 0 20.81 0.00 21.83 20.30 0.00 37.06 05:50:02 AM 1 10.15 1.52 32.99 4.06 0.00 51.27 05:50:02 AM 2 27.69 0.00 18.97 16.92 0.00 36.41 05:50:02 AM 3 20.41 0.00 25.00 11.22 0.00 43.37 05:51:01 AM all 28.21 0.00 4.38 1.97 0.07 65.37 05:51:01 AM 0 19.52 0.00 3.25 0.68 0.07 76.48 05:51:01 AM 1 30.91 0.00 4.20 2.42 0.07 62.41 05:51:01 AM 2 33.27 0.00 4.28 4.04 0.07 58.35 05:51:01 AM 3 29.21 0.00 5.81 0.77 0.07 64.15 05:52:01 AM all 47.84 0.00 3.13 1.30 0.10 47.63 05:52:01 AM 0 43.61 0.00 3.97 1.64 0.10 50.68 05:52:01 AM 1 46.60 0.00 2.42 1.14 0.10 49.74 05:52:01 AM 2 46.99 0.00 2.69 1.24 0.10 48.98 05:52:01 AM 3 54.17 0.00 3.45 1.19 0.10 41.09 05:53:01 AM all 44.77 0.00 1.30 0.35 0.08 53.50 05:53:01 AM 0 49.44 0.00 1.37 0.20 0.08 48.91 05:53:01 AM 1 45.25 0.00 0.97 0.30 0.08 53.39 05:53:01 AM 2 37.61 0.00 1.67 0.22 0.08 60.42 05:53:01 AM 3 46.77 0.00 1.20 0.67 0.08 51.27 05:54:01 AM all 20.00 0.00 0.45 0.01 0.06 79.47 05:54:01 AM 0 33.74 0.00 0.70 0.00 0.07 65.49 05:54:01 AM 1 20.77 0.00 0.48 0.00 0.07 78.68 05:54:01 AM 2 14.06 0.00 0.32 0.03 0.07 85.52 05:54:01 AM 3 11.42 0.00 0.32 0.02 0.05 88.20 05:55:01 AM all 41.49 0.00 2.99 0.57 0.09 54.86 05:55:01 AM 0 36.23 0.00 2.72 0.20 0.08 60.77 05:55:01 AM 1 63.54 0.00 3.49 0.76 0.10 32.11 05:55:01 AM 2 32.36 0.00 2.97 0.39 0.08 64.20 05:55:01 AM 3 33.86 0.00 2.77 0.92 0.10 62.35 05:56:01 AM all 9.37 0.00 1.34 0.11 0.07 89.11 05:56:01 AM 0 17.73 0.00 1.50 0.12 0.07 80.58 05:56:01 AM 1 4.36 0.00 1.12 0.17 0.05 94.30 05:56:01 AM 2 13.12 0.00 1.65 0.10 0.08 85.04 05:56:01 AM 3 2.26 0.00 1.09 0.07 0.07 96.52 Average: all 31.88 0.00 2.38 0.78 0.08 64.87 Average: 0 33.34 0.00 2.36 0.58 0.08 63.65 Average: 1 35.09 0.01 2.28 0.81 0.08 61.74 Average: 2 29.54 0.00 2.35 1.08 0.08 66.95 Average: 3 29.56 0.00 2.55 0.66 0.08 67.15