---> uname -a: Linux prd-centos8-docker-4c-4g-3540.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 1425 11052 19 3285 13990 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:68:d5:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.251/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85957sec preferred_lft 85957sec inet6 fe80::f816:3eff:fe68:d565/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f7:53:59:95 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:f7ff:fe53:5995/64 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) 04/04/2026 _x86_64_ (4 CPU) 00:32:28 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 187.75 19.23 168.53 3476.44 10069.21 12:35:01 AM 171.71 3.28 168.43 769.61 15512.51 12:36:01 AM 29.96 0.05 29.91 1.07 7690.95 12:37:01 AM 4.50 1.83 2.67 138.75 309.35 12:38:01 AM 89.57 1.70 87.87 514.45 18749.48 12:39:01 AM 32.81 2.60 30.21 73.58 1874.66 Average: 86.05 4.78 81.27 829.01 9034.13 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12629988 14819276 3511544 21.75 2688 2396968 1389036 8.08 187260 2936744 347248 12:35:01 AM 10955448 13463980 5186084 32.13 2688 2709512 2560412 14.89 263604 4500048 221404 12:36:01 AM 10120160 12634772 6021372 37.30 2688 2715372 3237816 18.84 274232 5322188 2532 12:37:01 AM 9429496 11954944 6712036 41.58 2688 2725876 3904068 22.71 275972 6008624 1100 12:38:01 AM 8301116 11257912 7840416 48.57 2688 3146796 4844780 28.18 414980 6948428 100 12:39:01 AM 11390280 14397968 4751252 29.43 2688 3197200 1662784 9.67 490676 3800784 7508 Average: 10471081 13088142 5670451 35.13 2688 2815287 2933149 17.06 317787 4919469 96649 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 283.84 179.77 4464.22 31.39 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 310.50 248.98 4391.21 33.28 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 154.47 92.57 53.37 64.55 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 235.67 156.08 67.06 66.13 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 15.43 15.43 27.08 27.08 0.00 0.00 0.00 0.00 12:38:01 AM eth0 226.81 121.66 2830.22 11.07 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:38:01 AM vethd175912 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-8a91764ba34d 5.70 5.62 25.62 0.93 0.00 0.00 0.00 0.00 12:39:01 AM lo 1.47 1.47 0.10 0.10 0.00 0.00 0.00 0.00 12:39:01 AM eth0 318.26 178.81 632.31 212.66 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.82 2.82 4.53 4.53 0.00 0.00 0.00 0.00 Average: eth0 254.93 162.98 2073.10 69.85 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) 04/04/2026 _x86_64_ (4 CPU) 00:32:28 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 24.05 0.00 2.32 1.01 0.08 72.55 12:34:01 AM 0 34.47 0.00 3.16 1.17 0.08 61.12 12:34:01 AM 1 17.17 0.00 1.37 1.12 0.07 80.27 12:34:01 AM 2 18.86 0.00 1.61 0.40 0.08 79.05 12:34:01 AM 3 25.67 0.00 3.14 1.35 0.07 69.76 12:35:01 AM all 59.41 0.00 2.18 0.99 0.10 37.31 12:35:01 AM 0 64.83 0.00 1.90 1.40 0.12 31.75 12:35:01 AM 1 67.85 0.00 2.17 0.63 0.10 29.25 12:35:01 AM 2 53.58 0.00 2.07 0.67 0.10 43.58 12:35:01 AM 3 51.37 0.00 2.58 1.26 0.10 44.69 12:36:01 AM all 40.16 0.00 1.60 0.26 0.09 57.89 12:36:01 AM 0 39.36 0.00 1.29 0.02 0.08 59.25 12:36:01 AM 1 33.57 0.00 1.59 0.67 0.08 64.09 12:36:01 AM 2 48.45 0.00 2.27 0.18 0.10 49.00 12:36:01 AM 3 39.27 0.00 1.24 0.17 0.08 59.24 12:37:01 AM all 24.14 0.00 1.19 0.02 0.06 74.59 12:37:01 AM 0 43.85 0.00 1.33 0.05 0.07 54.70 12:37:01 AM 1 17.04 0.00 1.00 0.00 0.07 81.89 12:37:01 AM 2 18.39 0.00 1.12 0.00 0.05 80.44 12:37:01 AM 3 17.25 0.00 1.30 0.03 0.07 81.34 12:38:01 AM all 34.38 0.00 3.54 0.64 0.09 61.34 12:38:01 AM 0 37.29 0.00 3.50 0.47 0.10 58.64 12:38:01 AM 1 32.49 0.00 4.60 0.29 0.08 62.54 12:38:01 AM 2 30.89 0.00 3.13 1.28 0.10 64.60 12:38:01 AM 3 36.84 0.00 2.94 0.54 0.08 59.59 12:39:01 AM all 39.30 0.00 1.29 0.13 0.09 59.19 12:39:01 AM 0 38.56 0.00 1.42 0.17 0.08 59.77 12:39:01 AM 1 44.44 0.00 1.15 0.23 0.08 54.09 12:39:01 AM 2 22.61 0.00 1.15 0.10 0.10 76.04 12:39:01 AM 3 51.59 0.00 1.44 0.00 0.08 46.89 Average: all 36.91 0.00 2.02 0.51 0.09 60.48 Average: 0 43.07 0.00 2.10 0.55 0.09 54.20 Average: 1 35.43 0.00 1.98 0.49 0.08 62.02 Average: 2 32.13 0.00 1.89 0.44 0.09 65.45 Average: 3 37.00 0.00 2.11 0.56 0.08 60.26