---> uname -a: Linux prd-centos8-docker-4c-4g-5845.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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1007 10643 19 4112 14406 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:72:7c:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.146/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86030sec preferred_lft 86030sec inet6 fe80::f816:3eff:fe72:7ca1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:84:be:93:67 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::42:84ff:febe:9367/64 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) 02/07/2026 _x86_64_ (4 CPU) 03:28:23 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 156.95 6.80 150.15 1002.07 10417.83 03:31:01 AM 244.32 5.19 239.13 887.65 25263.07 03:32:01 AM 605.33 1.43 603.90 71.71 28745.45 03:33:01 AM 401.23 94.72 306.52 1694.78 11612.75 03:34:02 AM 199.62 41.79 157.83 5585.20 9057.36 Average: 321.48 29.98 291.50 1848.16 17020.57 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13040796 14903008 3100736 19.21 2688 2071140 1441052 8.38 154020 2564356 146612 03:31:01 AM 10001496 12443560 6140036 38.04 2688 2635416 4316736 25.11 293524 5384520 1364 03:32:01 AM 10627248 13982496 5514284 34.16 2688 3381912 1669676 9.71 368540 4330532 195960 03:33:01 AM 9273812 12720100 6867720 42.55 2688 3439508 1793444 10.43 418736 5539848 12 03:34:02 AM 10837484 14691576 5304048 32.86 2688 3841376 1253584 7.29 699820 3710700 27276 Average: 10756167 13748148 5385365 33.36 2688 3073870 2094898 12.19 386928 4305991 74245 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 118.33 93.77 1508.13 22.11 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 3.40 3.40 1.62 1.62 0.00 0.00 0.00 0.00 03:31:01 AM eth0 398.68 249.82 5112.46 32.35 0.00 0.00 0.00 0.00 03:31:01 AM docker0 2.06 1.76 1.30 0.31 0.00 0.00 0.00 0.00 03:31:01 AM vethcf7e663 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 03:31:01 AM veth8b3f8e1 1.96 1.68 1.32 0.30 0.00 0.00 0.00 0.00 03:32:01 AM lo 2.90 2.90 2.99 2.99 0.00 0.00 0.00 0.00 03:32:01 AM eth0 193.32 136.69 1805.94 25.96 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.33 1.43 2.79 0.15 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 2.93 2.67 58.38 0.48 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:02 AM eth0 165.73 125.64 3111.67 33.15 0.00 0.00 0.00 0.00 03:34:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 175.83 121.74 2319.77 22.81 0.00 0.00 0.00 0.00 Average: docker0 0.68 0.64 0.82 0.09 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) 02/07/2026 _x86_64_ (4 CPU) 03:28:23 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 24.03 0.00 2.17 1.28 0.13 72.39 03:30:01 AM 0 29.04 0.00 2.44 0.95 0.12 67.45 03:30:01 AM 1 23.32 0.00 1.99 0.75 0.12 73.82 03:30:01 AM 2 25.80 0.00 2.16 1.63 0.15 70.26 03:30:01 AM 3 17.94 0.00 2.09 1.81 0.12 78.04 03:31:01 AM all 39.62 0.10 3.81 2.93 0.21 53.34 03:31:01 AM 0 37.40 0.12 3.58 1.77 0.22 56.92 03:31:01 AM 1 40.33 0.08 3.97 3.57 0.20 51.84 03:31:01 AM 2 39.54 0.08 3.57 3.03 0.20 53.57 03:31:01 AM 3 41.20 0.10 4.13 3.35 0.20 51.01 03:32:01 AM all 29.20 0.00 9.70 14.35 0.25 46.49 03:32:01 AM 0 35.91 0.00 10.58 16.66 0.22 36.63 03:32:01 AM 1 29.19 0.00 9.91 13.14 0.25 47.51 03:32:01 AM 2 27.58 0.00 8.07 13.62 0.24 50.49 03:32:01 AM 3 24.15 0.00 10.24 14.00 0.31 51.31 03:33:01 AM all 31.03 0.00 2.70 10.98 0.19 55.10 03:33:01 AM 0 30.79 0.00 2.26 9.55 0.20 57.20 03:33:01 AM 1 19.19 0.00 2.31 7.22 0.17 71.12 03:33:01 AM 2 17.88 0.00 2.57 11.45 0.17 67.94 03:33:01 AM 3 56.40 0.00 3.66 15.76 0.22 23.96 03:34:02 AM all 49.21 0.00 2.59 1.49 0.16 46.56 03:34:02 AM 0 46.70 0.00 2.56 1.97 0.15 48.62 03:34:02 AM 1 59.05 0.00 2.79 0.55 0.18 37.42 03:34:02 AM 2 48.42 0.00 2.55 2.38 0.15 46.51 03:34:02 AM 3 42.64 0.00 2.45 1.04 0.15 53.72 Average: all 34.63 0.02 4.18 6.18 0.19 54.80 Average: 0 35.97 0.02 4.26 6.14 0.18 53.42 Average: 1 34.23 0.02 4.18 5.02 0.18 56.37 Average: 2 31.85 0.02 3.77 6.41 0.18 57.77 Average: 3 36.47 0.02 4.50 7.17 0.20 51.64