---> uname -a: Linux prd-centos8-docker-4c-4g-4853.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 821 11888 19 3053 14595 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:5c:d3:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.146/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85991sec preferred_lft 85991sec inet6 fe80::f816:3eff:fe5c:d303/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3a:5d:4e:b9 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::42:3aff:fe5d:4eb9/64 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) 02/02/2026 _x86_64_ (4 CPU) 07:44:54 LINUX RESTART (4 CPU) 07:46:01 AM tps rtps wtps bread/s bwrtn/s 07:47:01 AM 228.35 19.58 208.77 3857.89 12505.62 07:48:01 AM 96.60 1.78 94.82 114.48 10987.77 07:49:01 AM 5.00 0.00 5.00 0.00 371.34 07:50:00 AM 48.94 3.45 45.48 595.68 13729.79 07:50:01 AM 10.24 0.00 10.24 0.00 147.24 07:51:01 AM 44.78 0.10 44.68 1.33 2958.72 Average: 84.56 4.97 79.59 911.18 8053.33 07:46:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:47:01 AM 12322428 14415092 3819096 23.66 2688 2297388 1690204 9.83 216680 3195196 91652 07:48:01 AM 9897448 12218128 6244076 38.68 2688 2521780 3751252 21.82 262808 5552488 4556 07:49:01 AM 9797228 12122092 6344296 39.30 2688 2525828 3798868 22.10 262860 5652692 1156 07:50:00 AM 6487364 9233168 9654160 59.81 2688 2936476 7177668 41.75 357972 8813296 332 07:50:01 AM 6401412 9167928 9740112 60.34 2688 2956996 7209456 41.94 367276 8888528 12668 07:51:01 AM 10587364 13351376 5554160 34.41 2688 2954488 2949772 17.16 407312 4678364 9416 Average: 9248874 11751297 6892650 42.70 2688 2698826 4429537 25.77 312485 6130094 19963 07:46:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:47:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 AM eth0 209.08 183.67 2098.45 37.95 0.00 0.00 0.00 0.00 07:47:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 AM eth0 226.85 177.23 3328.15 32.62 0.00 0.00 0.00 0.00 07:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 AM eth0 17.44 16.71 3.51 27.72 0.00 0.00 0.00 0.00 07:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 AM lo 4.15 4.15 0.53 0.53 0.00 0.00 0.00 0.00 07:50:00 AM eth0 250.84 147.22 2774.31 18.21 0.00 0.00 0.00 0.00 07:50:00 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 07:50:00 AM vethf006894 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 07:50:00 AM br-3b817377221a 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 AM veth69b0175 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 07:50:01 AM lo 3.15 3.15 0.20 0.20 0.00 0.00 0.00 0.00 07:50:01 AM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 AM vethf006894 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 AM br-3b817377221a 0.00 2.36 0.00 0.25 0.00 0.00 0.00 0.00 07:50:01 AM veth69b0175 0.00 4.72 0.00 0.44 0.00 0.00 0.00 0.00 07:51:01 AM lo 12.89 12.89 26.79 26.79 0.00 0.00 0.00 0.00 07:51:01 AM eth0 12.86 10.81 120.04 12.12 0.00 0.00 0.00 0.00 07:51:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 07:51:01 AM vethf006894 0.12 0.18 0.01 0.01 0.00 0.00 0.00 0.00 07:51:01 AM br-3b817377221a 5.56 5.56 25.60 0.93 0.00 0.00 0.00 0.00 Average: lo 3.41 3.41 5.46 5.46 0.00 0.00 0.00 0.00 Average: eth0 142.36 106.50 1653.22 25.65 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethf006894 0.04 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-3b817377221a 1.11 1.13 5.12 0.19 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) 02/02/2026 _x86_64_ (4 CPU) 07:44:54 LINUX RESTART (4 CPU) 07:46:01 AM CPU %user %nice %system %iowait %steal %idle 07:47:01 AM all 36.00 0.00 2.91 1.30 0.10 59.69 07:47:01 AM 0 34.89 0.00 3.07 1.30 0.08 60.65 07:47:01 AM 1 33.65 0.00 2.76 1.07 0.10 62.42 07:47:01 AM 2 31.51 0.00 2.32 1.52 0.10 64.55 07:47:01 AM 3 43.95 0.00 3.50 1.32 0.10 51.13 07:48:01 AM all 62.87 0.00 1.91 0.47 0.10 34.65 07:48:01 AM 0 72.83 0.00 2.65 0.13 0.12 24.27 07:48:01 AM 1 49.28 0.00 1.77 0.72 0.10 48.13 07:48:01 AM 2 62.79 0.00 1.90 0.90 0.08 34.32 07:48:01 AM 3 66.58 0.00 1.32 0.12 0.08 31.90 07:49:01 AM all 17.82 0.00 0.34 0.01 0.07 81.76 07:49:01 AM 0 19.04 0.00 0.35 0.03 0.07 80.51 07:49:01 AM 1 11.07 0.00 0.45 0.00 0.08 88.40 07:49:01 AM 2 17.05 0.00 0.32 0.02 0.07 82.55 07:49:01 AM 3 24.10 0.00 0.25 0.00 0.07 75.58 07:50:00 AM all 33.54 0.00 2.27 1.01 0.10 63.09 07:50:00 AM 0 28.42 0.00 2.63 0.94 0.10 67.90 07:50:00 AM 1 29.46 0.00 1.92 1.74 0.07 66.81 07:50:00 AM 2 36.56 0.00 2.19 0.72 0.10 60.43 07:50:00 AM 3 39.67 0.00 2.35 0.63 0.10 57.25 07:50:01 AM all 68.51 0.00 4.75 0.00 0.20 26.53 07:50:01 AM 0 89.68 0.00 4.76 0.00 0.00 5.56 07:50:01 AM 1 61.60 0.00 3.20 0.00 0.80 34.40 07:50:01 AM 2 64.84 0.00 8.59 0.00 0.00 26.56 07:50:01 AM 3 57.94 0.00 2.38 0.00 0.00 39.68 07:51:01 AM all 17.85 0.00 1.54 0.27 0.08 80.25 07:51:01 AM 0 16.49 0.00 1.49 0.44 0.08 81.50 07:51:01 AM 1 20.20 0.00 0.95 0.03 0.08 78.73 07:51:01 AM 2 17.77 0.00 1.49 0.23 0.08 80.42 07:51:01 AM 3 16.95 0.00 2.21 0.39 0.08 80.37 Average: all 33.77 0.00 1.80 0.61 0.09 63.73 Average: 0 34.63 0.00 2.05 0.56 0.09 62.67 Average: 1 28.86 0.00 1.57 0.70 0.09 68.77 Average: 2 33.25 0.00 1.67 0.68 0.09 64.32 Average: 3 38.33 0.00 1.92 0.49 0.09 59.17