---> uname -a: Linux prd-centos8-docker-4c-4g-600.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 804 11834 19 3124 14612 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:d3:de:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.30/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86011sec preferred_lft 86011sec inet6 fe80::f816:3eff:fed3:dec8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:14:73:d7:46 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::42:14ff:fe73:d746/64 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) 05/18/2026 _x86_64_ (4 CPU) 07:16:05 LINUX RESTART (4 CPU) 07:17:01 AM tps rtps wtps bread/s bwrtn/s 07:18:01 AM 226.28 20.17 206.11 4127.12 14378.33 07:19:01 AM 101.62 1.72 99.90 102.78 11465.32 07:20:01 AM 4.38 0.00 4.38 0.00 361.66 07:21:02 AM 59.85 3.42 56.43 568.61 15079.34 07:22:01 AM 39.77 0.19 39.59 15.59 1790.17 Average: 86.55 5.12 81.43 966.29 8638.58 07:17:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:18:01 AM 11943032 14136572 4198500 26.01 2688 2397932 2176436 12.66 223164 3566176 127568 07:19:01 AM 9753136 12141820 6388396 39.58 2688 2590068 3723816 21.66 263448 5699044 2812 07:20:01 AM 9295460 11689696 6846072 42.41 2688 2595404 4164600 24.23 265088 6153424 772 07:21:02 AM 6155604 9025264 9985928 61.86 2688 3059852 13587488 79.04 383600 9091400 188 07:22:01 AM 12198128 15030120 3943404 24.43 2688 3022116 1174384 6.83 580804 2901560 1876 Average: 9869072 12404694 6272460 38.86 2688 2733074 4965345 28.88 343221 5482321 26643 07:17:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 AM eth0 243.10 205.66 2928.37 34.43 0.00 0.00 0.00 0.00 07:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 AM eth0 221.68 157.32 2846.64 35.87 0.00 0.00 0.00 0.00 07:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 AM eth0 17.50 16.90 6.94 22.16 0.00 0.00 0.00 0.00 07:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:02 AM lo 5.56 5.56 3.97 3.97 0.00 0.00 0.00 0.00 07:21:02 AM eth0 203.90 120.99 2827.76 16.09 0.00 0.00 0.00 0.00 07:21:02 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 07:21:02 AM veth4499151 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 07:21:02 AM br-2f013d94201f 0.97 1.13 3.35 0.14 0.00 0.00 0.00 0.00 07:21:02 AM veth5e9974c 0.88 1.10 3.35 0.13 0.00 0.00 0.00 0.00 07:21:02 AM vethb1c0479 1.83 2.03 3.47 3.49 0.00 0.00 0.00 0.00 07:22:01 AM lo 11.03 11.03 23.69 23.69 0.00 0.00 0.00 0.00 07:22:01 AM eth0 15.64 11.18 10.49 9.29 0.00 0.00 0.00 0.00 07:22:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 3.29 3.29 5.47 5.47 0.00 0.00 0.00 0.00 Average: eth0 140.79 102.73 1729.93 23.62 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 0.00 0.01 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) 05/18/2026 _x86_64_ (4 CPU) 07:16:05 LINUX RESTART (4 CPU) 07:17:01 AM CPU %user %nice %system %iowait %steal %idle 07:18:01 AM all 39.05 0.00 3.04 1.24 0.09 56.58 07:18:01 AM 0 42.81 0.00 3.94 1.10 0.10 52.05 07:18:01 AM 1 30.01 0.00 2.41 1.25 0.10 66.23 07:18:01 AM 2 47.78 0.00 1.84 0.80 0.08 49.50 07:18:01 AM 3 35.59 0.00 3.98 1.79 0.08 58.55 07:19:01 AM all 57.94 0.00 1.69 0.40 0.10 39.88 07:19:01 AM 0 58.98 0.00 1.72 0.17 0.10 39.03 07:19:01 AM 1 53.90 0.00 1.34 0.23 0.08 44.45 07:19:01 AM 2 57.56 0.00 0.98 0.17 0.10 41.19 07:19:01 AM 3 61.33 0.00 2.71 1.02 0.10 34.85 07:20:01 AM all 17.66 0.00 0.40 0.02 0.06 81.87 07:20:01 AM 0 19.97 0.00 0.33 0.00 0.05 79.65 07:20:01 AM 1 24.28 0.00 0.57 0.03 0.07 75.05 07:20:01 AM 2 11.24 0.00 0.33 0.02 0.07 88.34 07:20:01 AM 3 15.14 0.00 0.35 0.02 0.05 84.44 07:21:02 AM all 44.41 0.00 2.87 0.42 0.08 52.22 07:21:02 AM 0 43.09 0.00 2.21 0.32 0.08 54.30 07:21:02 AM 1 33.80 0.00 2.60 0.34 0.07 63.19 07:21:02 AM 2 29.02 0.00 3.17 0.65 0.08 67.07 07:21:02 AM 3 71.73 0.00 3.49 0.37 0.10 24.31 07:22:01 AM all 21.41 0.00 1.31 0.08 0.08 77.12 07:22:01 AM 0 19.70 0.00 1.12 0.05 0.07 79.05 07:22:01 AM 1 22.70 0.00 1.05 0.14 0.09 76.02 07:22:01 AM 2 21.32 0.00 1.12 0.09 0.09 77.39 07:22:01 AM 3 21.92 0.00 1.94 0.05 0.09 76.00 Average: all 36.14 0.00 1.86 0.43 0.08 61.48 Average: 0 36.97 0.00 1.87 0.33 0.08 60.75 Average: 1 32.97 0.00 1.59 0.40 0.08 64.95 Average: 2 33.43 0.00 1.49 0.35 0.08 64.65 Average: 3 41.19 0.00 2.49 0.65 0.08 55.58