---> uname -a: Linux prd-centos8-docker-4c-4g-8024.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 804 11833 19 3125 14613 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:ce:9c:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.2/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86000sec preferred_lft 86000sec inet6 fe80::f816:3eff:fece:9c2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0e:cb:0b:28 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:eff:fecb:b28/64 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) 05:51:21 LINUX RESTART (4 CPU) 05:52:01 AM tps rtps wtps bread/s bwrtn/s 05:53:01 AM 198.32 19.11 179.20 3490.75 11464.22 05:54:01 AM 158.06 3.28 154.78 776.14 12386.20 05:55:01 AM 22.36 0.00 22.36 0.00 6394.67 05:56:01 AM 2.77 1.70 1.07 51.06 286.14 05:57:01 AM 87.89 1.67 86.22 499.97 18226.67 05:58:01 AM 34.32 0.45 33.87 56.38 1274.46 Average: 83.95 4.37 79.58 812.33 8338.86 05:52:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:53:01 AM 12659804 14741120 3481720 21.57 2688 2288732 1410632 8.21 165480 2926220 229860 05:54:01 AM 10292084 12678268 5849440 36.24 2688 2587912 3301280 19.20 262384 5163432 184088 05:55:01 AM 9836196 12226624 6305328 39.06 2688 2591988 3618204 21.05 262660 5616460 832 05:56:01 AM 8716968 11119012 7424556 46.00 2688 2603164 4655452 27.08 266672 6727788 2640 05:57:01 AM 8056972 10890348 8084552 50.09 2688 3024148 5206596 30.29 405208 7203204 1000 05:58:01 AM 12095348 14939328 4046176 25.07 2688 3033892 1221056 7.10 596268 2990784 25120 Average: 10276229 12765783 5865295 36.34 2688 2688306 3235537 18.82 326445 5104648 73923 05:52:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 189.89 150.22 2518.59 26.78 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 276.44 215.03 4170.85 32.12 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 18.98 18.56 3.61 26.71 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM eth0 22.66 20.45 5.04 18.59 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 AM lo 15.89 15.89 27.05 27.05 0.00 0.00 0.00 0.00 05:57:01 AM eth0 190.92 110.58 2825.01 9.76 0.00 0.00 0.00 0.00 05:57:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 05:57:01 AM veth83445ea 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 05:57:01 AM br-eba7c60bfb44 6.03 5.66 25.63 0.94 0.00 0.00 0.00 0.00 05:58:01 AM lo 1.07 1.07 0.07 0.07 0.00 0.00 0.00 0.00 05:58:01 AM eth0 30.54 25.07 24.32 10.84 0.00 0.00 0.00 0.00 05:58:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.83 2.83 4.52 4.52 0.00 0.00 0.00 0.00 Average: eth0 121.57 89.99 1591.25 20.80 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) 05:51:21 LINUX RESTART (4 CPU) 05:52:01 AM CPU %user %nice %system %iowait %steal %idle 05:53:01 AM all 26.51 0.00 2.75 1.65 0.09 69.01 05:53:01 AM 0 36.86 0.00 3.02 1.22 0.10 58.80 05:53:01 AM 1 24.26 0.00 2.12 0.73 0.10 72.78 05:53:01 AM 2 25.25 0.00 2.99 2.06 0.07 69.64 05:53:01 AM 3 19.63 0.00 2.85 2.60 0.08 74.85 05:54:01 AM all 63.43 0.00 2.65 0.84 0.10 32.98 05:54:01 AM 0 55.18 0.00 2.86 0.82 0.10 41.04 05:54:01 AM 1 68.46 0.00 2.64 0.95 0.10 27.85 05:54:01 AM 2 71.06 0.00 3.15 1.24 0.12 24.43 05:54:01 AM 3 59.02 0.00 1.94 0.35 0.10 38.58 05:55:01 AM all 23.96 0.00 0.48 0.22 0.07 75.27 05:55:01 AM 0 29.26 0.00 0.38 0.02 0.07 70.28 05:55:01 AM 1 24.02 0.00 0.42 0.22 0.07 75.28 05:55:01 AM 2 21.77 0.00 0.57 0.63 0.07 76.97 05:55:01 AM 3 20.79 0.00 0.57 0.00 0.07 78.57 05:56:01 AM all 34.55 0.00 0.72 0.04 0.08 64.62 05:56:01 AM 0 68.12 0.00 1.52 0.10 0.10 30.16 05:56:01 AM 1 18.28 0.00 0.58 0.00 0.07 81.07 05:56:01 AM 2 29.24 0.00 0.30 0.02 0.07 70.37 05:56:01 AM 3 22.53 0.00 0.48 0.03 0.07 76.89 05:57:01 AM all 26.74 0.00 3.44 1.17 0.09 68.55 05:57:01 AM 0 31.12 0.00 3.94 1.19 0.08 63.66 05:57:01 AM 1 21.40 0.00 3.06 0.47 0.10 74.97 05:57:01 AM 2 26.00 0.00 3.35 2.66 0.08 67.91 05:57:01 AM 3 28.44 0.00 3.41 0.37 0.10 67.68 05:58:01 AM all 28.33 0.00 1.63 0.10 0.08 69.86 05:58:01 AM 0 29.94 0.00 1.25 0.18 0.08 68.54 05:58:01 AM 1 24.68 0.00 2.12 0.03 0.07 73.10 05:58:01 AM 2 33.60 0.00 1.64 0.08 0.08 64.59 05:58:01 AM 3 25.11 0.00 1.52 0.08 0.08 73.20 Average: all 33.92 0.00 1.94 0.67 0.08 63.38 Average: 0 41.76 0.00 2.16 0.59 0.09 55.40 Average: 1 30.19 0.00 1.82 0.40 0.08 67.51 Average: 2 34.48 0.00 2.00 1.11 0.08 62.33 Average: 3 29.25 0.00 1.79 0.57 0.08 68.30