---> uname -a: Linux prd-centos8-docker-4c-4g-5089.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: 2800.000 BogoMIPS: 5600.00 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 859 11080 19 3823 14554 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:d6:57:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85879sec preferred_lft 85879sec inet6 fe80::f816:3eff:fed6:5773/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:06:8f:9c:87 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::42:6ff:fe8f:9c87/64 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) 02/03/2026 _x86_64_ (4 CPU) 12:18:21 LINUX RESTART (4 CPU) 12:19:01 PM tps rtps wtps bread/s bwrtn/s 12:20:01 PM 179.56 14.93 164.63 3053.12 11254.20 12:21:01 PM 228.29 7.13 221.16 1021.22 10628.65 12:22:01 PM 33.41 0.05 33.36 1.07 7885.52 12:23:01 PM 5.06 1.70 3.36 51.02 193.07 12:24:01 PM 86.31 1.69 84.62 510.20 15758.01 12:25:01 PM 79.24 0.55 78.69 157.82 4710.57 12:26:01 PM 142.54 5.20 137.34 5454.98 23499.82 12:27:01 PM 33.92 1.18 32.74 95.57 890.87 Average: 98.56 4.06 94.50 1294.58 9338.22 12:19:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:01 PM 12972276 14949464 3169256 19.63 2688 2184868 1283744 7.47 192980 2588412 147052 12:21:01 PM 11515384 13863396 4626148 28.66 2688 2547396 2052280 11.94 269580 3928516 221780 12:22:01 PM 10228176 12583240 5913356 36.63 2688 2553784 3170220 18.44 282568 5195472 2180 12:23:01 PM 9234028 11596688 6907504 42.79 2688 2561084 4170528 24.26 284912 6183528 4792 12:24:01 PM 6662144 9576580 9479388 58.73 2688 3101816 12995844 75.60 401460 8556824 103176 12:25:01 PM 11656700 14588836 4484832 27.78 2688 3116924 1620220 9.43 441204 3563892 118444 12:26:01 PM 11379212 14931096 4762320 29.50 2688 3716740 1323272 7.70 790144 3451736 108 12:27:01 PM 11286468 14843324 4855064 30.08 2688 3719252 1256668 7.31 968752 3366764 8360 Average: 10616798 13366578 5524734 34.23 2688 2937733 3484097 20.27 453950 4604393 75736 12:19:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 PM eth0 192.25 150.17 1645.35 39.16 0.00 0.00 0.00 0.00 12:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:21:01 PM eth0 376.35 309.50 5048.33 44.12 0.00 0.00 0.00 0.00 12:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:22:01 PM eth0 105.75 69.31 35.48 54.23 0.00 0.00 0.00 0.00 12:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:23:01 PM eth0 205.95 136.65 58.80 55.79 0.00 0.00 0.00 0.00 12:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:24:01 PM lo 15.15 15.15 27.47 27.47 0.00 0.00 0.00 0.00 12:24:01 PM eth0 206.66 133.06 2877.66 14.82 0.00 0.00 0.00 0.00 12:24:01 PM docker0 0.14 0.24 0.01 0.02 0.00 0.00 0.00 0.00 12:24:01 PM veth0a59c30 0.14 0.39 0.01 0.03 0.00 0.00 0.00 0.00 12:24:01 PM br-86a0b5a1dd71 5.64 5.32 26.02 0.91 0.00 0.00 0.00 0.00 12:24:01 PM veth5a99fa6 5.64 5.27 26.08 0.89 0.00 0.00 0.00 0.00 12:24:01 PM vethe8b964c 10.66 11.01 26.97 27.00 0.00 0.00 0.00 0.00 12:25:01 PM lo 2.51 2.51 0.19 0.19 0.00 0.00 0.00 0.00 12:25:01 PM eth0 34.03 33.23 314.38 9.11 0.00 0.00 0.00 0.00 12:25:01 PM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:26:01 PM eth0 166.86 94.84 2064.69 25.79 0.00 0.00 0.00 0.00 12:26:01 PM docker0 30.72 33.51 16.95 610.39 0.00 0.00 0.00 0.00 12:26:01 PM veth62b8e4c 6.38 5.10 15.56 1.72 0.00 0.00 0.00 0.00 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 49.80 46.02 30.64 37.30 0.00 0.00 0.00 0.00 12:27:01 PM docker0 2.32 1.88 3.78 0.70 0.00 0.00 0.00 0.00 Average: lo 2.18 2.18 3.41 3.41 0.00 0.00 0.00 0.00 Average: eth0 167.12 121.57 1506.45 35.08 0.00 0.00 0.00 0.00 Average: docker0 4.17 4.48 2.60 76.54 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) 02/03/2026 _x86_64_ (4 CPU) 12:18:21 LINUX RESTART (4 CPU) 12:19:01 PM CPU %user %nice %system %iowait %steal %idle 12:20:01 PM all 26.46 0.00 2.37 2.04 0.09 69.04 12:20:01 PM 0 28.20 0.00 1.95 1.14 0.10 68.61 12:20:01 PM 1 33.27 0.00 3.14 2.94 0.08 60.56 12:20:01 PM 2 16.32 0.00 1.61 1.71 0.10 80.26 12:20:01 PM 3 28.04 0.00 2.76 2.38 0.08 66.74 12:21:01 PM all 53.47 0.00 2.30 1.76 0.11 42.36 12:21:01 PM 0 53.57 0.00 2.68 3.18 0.12 40.45 12:21:01 PM 1 44.67 0.00 2.23 1.41 0.12 51.58 12:21:01 PM 2 56.20 0.00 2.32 1.34 0.10 40.04 12:21:01 PM 3 59.39 0.00 1.96 1.12 0.12 37.41 12:22:01 PM all 42.58 0.00 1.36 0.70 0.10 55.27 12:22:01 PM 0 44.09 0.00 1.20 1.95 0.08 52.67 12:22:01 PM 1 46.72 0.00 1.57 0.12 0.10 51.49 12:22:01 PM 2 38.80 0.00 1.44 0.05 0.10 59.62 12:22:01 PM 3 40.69 0.00 1.24 0.69 0.10 57.29 12:23:01 PM all 25.69 0.00 1.21 0.02 0.07 73.00 12:23:01 PM 0 28.76 0.00 0.83 0.00 0.08 70.33 12:23:01 PM 1 41.01 0.00 1.58 0.05 0.08 57.27 12:23:01 PM 2 21.11 0.00 0.93 0.02 0.05 77.89 12:23:01 PM 3 11.89 0.00 1.50 0.00 0.07 86.54 12:24:01 PM all 36.99 0.00 3.35 2.33 0.12 57.22 12:24:01 PM 0 30.65 0.00 4.45 1.26 0.12 63.52 12:24:01 PM 1 43.55 0.00 3.42 4.87 0.12 48.04 12:24:01 PM 2 30.53 0.00 2.80 2.27 0.12 64.28 12:24:01 PM 3 43.25 0.00 2.71 0.90 0.10 53.03 12:25:01 PM all 27.53 0.00 2.01 0.84 0.09 69.52 12:25:01 PM 0 27.93 0.00 2.34 0.68 0.08 68.96 12:25:01 PM 1 24.47 0.00 2.07 0.12 0.10 73.25 12:25:01 PM 2 31.00 0.00 1.84 1.67 0.10 65.39 12:25:01 PM 3 26.73 0.00 1.80 0.89 0.08 70.49 12:26:01 PM all 14.79 0.00 3.11 2.67 0.07 79.36 12:26:01 PM 0 11.49 0.00 3.30 1.79 0.08 83.34 12:26:01 PM 1 19.33 0.00 3.07 6.45 0.07 71.08 12:26:01 PM 2 8.79 0.00 2.44 0.92 0.07 87.78 12:26:01 PM 3 19.55 0.00 3.62 1.52 0.07 75.24 12:27:01 PM all 17.64 0.00 1.55 0.37 0.07 80.37 12:27:01 PM 0 23.45 0.00 1.72 0.33 0.07 74.43 12:27:01 PM 1 30.47 0.00 2.17 0.45 0.07 66.84 12:27:01 PM 2 9.02 0.00 1.42 0.38 0.07 89.11 12:27:01 PM 3 7.61 0.00 0.90 0.30 0.08 91.10 Average: all 30.63 0.00 2.15 1.34 0.09 65.79 Average: 0 31.02 0.00 2.30 1.29 0.09 65.30 Average: 1 35.42 0.00 2.40 2.04 0.09 60.04 Average: 2 26.46 0.00 1.85 1.04 0.09 70.56 Average: 3 29.61 0.00 2.06 0.97 0.09 67.27