---> uname -a: Linux prd-centos8-docker-4c-4g-3415.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 820 11891 19 3051 14597 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:7f:63:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.149/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85953sec preferred_lft 85953sec inet6 fe80::f816:3eff:fe7f:6388/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c8:fb:f7:b8 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:c8ff:fefb:f7b8/64 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) 01/27/2026 _x86_64_ (4 CPU) 15:12:44 LINUX RESTART (4 CPU) 03:13:01 PM tps rtps wtps bread/s bwrtn/s 03:14:01 PM 218.59 29.05 189.54 5910.00 41839.85 03:15:01 PM 214.39 18.50 195.89 3697.93 11591.04 03:16:01 PM 98.18 2.77 95.42 272.04 6149.50 03:17:01 PM 24.56 0.00 24.56 0.00 6464.91 03:18:01 PM 5.12 1.70 3.42 51.06 331.43 03:19:01 PM 91.40 1.67 89.74 529.56 15749.12 03:20:01 PM 27.19 0.45 26.74 63.85 1044.34 Average: 97.07 7.74 89.34 1503.77 11882.56 03:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:14:01 PM 13342308 15043008 2799224 17.34 2688 1923044 1201780 6.99 159756 2310740 123556 03:15:01 PM 12543636 14619476 3597896 22.29 2688 2281404 1500808 8.73 177180 3014476 113540 03:16:01 PM 10509228 12825316 5632304 34.89 2688 2517240 3950556 22.98 261788 4946060 184188 03:17:01 PM 10120524 12440248 6021008 37.30 2688 2520804 4104380 23.88 261876 5332976 928 03:18:01 PM 8558604 10889424 7582928 46.98 2688 2531488 5127688 29.83 265940 6886572 1832 03:19:01 PM 6815316 9569360 9326216 57.78 2688 2944188 6632464 38.58 404988 8442396 136 03:20:01 PM 12167472 14938196 3974060 24.62 2688 2960548 1201120 6.99 588144 2926152 25132 Average: 10579584 12903575 5561948 34.46 2688 2525531 3388399 19.71 302810 4837053 64187 03:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:14:01 PM eth0 365.68 217.34 1727.30 69.39 0.00 0.00 0.00 0.00 03:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:15:01 PM eth0 188.41 159.54 1963.82 28.18 0.00 0.00 0.00 0.00 03:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 PM eth0 245.68 188.69 3419.29 27.71 0.00 0.00 0.00 0.00 03:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:17:01 PM eth0 17.63 16.00 3.54 26.55 0.00 0.00 0.00 0.00 03:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 PM eth0 24.91 20.63 6.11 18.05 0.00 0.00 0.00 0.00 03:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 PM lo 15.99 15.99 27.22 27.22 0.00 0.00 0.00 0.00 03:19:01 PM eth0 231.56 129.87 2829.25 11.66 0.00 0.00 0.00 0.00 03:19:01 PM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 03:19:01 PM vethc99a8af 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 03:19:01 PM br-bcbc1287824f 5.51 5.43 25.60 0.92 0.00 0.00 0.00 0.00 03:20:01 PM lo 0.68 0.68 0.03 0.03 0.00 0.00 0.00 0.00 03:20:01 PM eth0 21.53 18.06 16.29 8.79 0.00 0.00 0.00 0.00 03:20:01 PM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.38 2.38 3.89 3.89 0.00 0.00 0.00 0.00 Average: eth0 156.50 107.17 1423.76 27.19 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) 01/27/2026 _x86_64_ (4 CPU) 15:12:44 LINUX RESTART (4 CPU) 03:13:01 PM CPU %user %nice %system %iowait %steal %idle 03:14:01 PM all 19.59 0.00 2.91 5.30 0.08 72.12 03:14:01 PM 0 17.58 0.00 3.43 9.37 0.08 69.54 03:14:01 PM 1 21.83 0.00 2.78 1.41 0.08 73.90 03:14:01 PM 2 13.85 0.00 2.18 4.81 0.07 79.08 03:14:01 PM 3 25.08 0.00 3.25 5.63 0.08 65.96 03:15:01 PM all 26.19 0.00 2.80 6.17 0.10 64.74 03:15:01 PM 0 22.72 0.00 1.52 4.54 0.10 71.13 03:15:01 PM 1 28.56 0.00 3.21 6.78 0.10 61.35 03:15:01 PM 2 16.12 0.00 2.43 3.84 0.10 77.52 03:15:01 PM 3 37.34 0.00 4.06 9.51 0.10 48.99 03:16:01 PM all 61.95 0.00 2.05 2.30 0.10 33.61 03:16:01 PM 0 65.04 0.00 1.72 1.77 0.10 31.37 03:16:01 PM 1 55.61 0.00 2.30 2.57 0.10 39.42 03:16:01 PM 2 54.18 0.00 2.31 4.18 0.10 39.24 03:16:01 PM 3 72.96 0.00 1.87 0.67 0.10 24.40 03:17:01 PM all 21.18 0.00 0.40 0.33 0.07 78.02 03:17:01 PM 0 27.37 0.00 0.33 0.23 0.07 71.99 03:17:01 PM 1 20.95 0.00 0.38 0.20 0.07 78.40 03:17:01 PM 2 18.79 0.00 0.43 0.64 0.07 80.07 03:17:01 PM 3 17.61 0.00 0.43 0.27 0.07 81.62 03:18:01 PM all 36.36 0.00 0.81 0.04 0.09 62.70 03:18:01 PM 0 22.49 0.00 0.82 0.02 0.08 76.59 03:18:01 PM 1 44.75 0.00 0.97 0.02 0.08 54.18 03:18:01 PM 2 48.57 0.00 1.17 0.13 0.10 50.03 03:18:01 PM 3 29.62 0.00 0.28 0.00 0.08 70.02 03:19:01 PM all 25.21 0.00 3.17 1.54 0.11 69.97 03:19:01 PM 0 26.70 0.00 2.99 1.38 0.12 68.81 03:19:01 PM 1 21.56 0.00 3.59 2.48 0.12 72.24 03:19:01 PM 2 26.97 0.00 2.77 1.44 0.12 68.70 03:19:01 PM 3 25.60 0.00 3.31 0.86 0.10 70.14 03:20:01 PM all 25.79 0.00 1.44 0.09 0.06 72.62 03:20:01 PM 0 28.90 0.00 1.27 0.12 0.07 69.65 03:20:01 PM 1 32.70 0.00 2.15 0.12 0.07 64.96 03:20:01 PM 2 15.83 0.00 1.02 0.08 0.07 83.00 03:20:01 PM 3 25.70 0.00 1.32 0.03 0.05 72.90 Average: all 30.90 0.00 1.94 2.25 0.09 64.82 Average: 0 30.12 0.00 1.72 2.49 0.09 65.58 Average: 1 32.29 0.00 2.20 1.94 0.09 63.48 Average: 2 27.77 0.00 1.76 2.16 0.09 68.22 Average: 3 33.43 0.00 2.07 2.42 0.08 62.00