---> uname -a: Linux prd-centos8-docker-4c-4g-2348.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 764 12237 19 2760 14663 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:60:5d:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.55/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fe60:5d42/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6e:a0:52:a1 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/05/2026 _x86_64_ (4 CPU) 09:09:50 LINUX RESTART (4 CPU) 09:10:00 AM tps rtps wtps bread/s bwrtn/s 09:10:01 AM 926.53 919.39 7.14 38171.43 57.14 09:11:01 AM 262.36 82.47 179.89 11107.10 41843.49 09:12:01 AM 105.52 14.58 90.93 3089.35 8079.79 09:13:01 AM 222.93 5.86 217.06 1065.91 12705.23 09:14:01 AM 27.11 0.63 26.47 20.79 1430.14 Average: 157.62 29.52 128.10 3960.47 15950.11 09:10:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 AM 15352996 15476724 788528 4.89 2688 357220 748784 4.64 62860 440440 5932 09:11:01 AM 13287120 15045780 2854404 17.68 2688 1976420 1207924 7.03 175164 2332980 201396 09:12:01 AM 13070180 14997856 3071344 19.03 2688 2138672 1423096 8.28 151932 2546140 93864 09:13:01 AM 11669388 13899780 4472136 27.71 2688 2433980 2219076 12.91 243504 3817712 32732 09:14:01 AM 12052660 14359696 4088864 25.33 2688 2509408 1725160 10.04 285456 3391776 74248 Average: 13086469 14755967 3055055 18.93 2688 1883140 1464808 8.52 183783 2505810 81634 09:10:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 AM eth0 4.08 0.00 0.88 0.00 0.00 0.00 0.00 0.00 09:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 AM eth0 330.61 188.32 1568.87 67.72 0.00 0.00 0.00 0.00 09:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM eth0 47.93 35.99 451.03 14.15 0.00 0.00 0.00 0.00 09:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 AM lo 4.05 4.05 0.42 0.42 0.00 0.00 0.00 0.00 09:13:01 AM eth0 334.87 250.12 4133.86 48.86 0.00 0.00 0.00 0.00 09:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 AM lo 24.74 24.74 5.65 5.65 0.00 0.00 0.00 0.00 09:14:01 AM eth0 73.74 58.11 249.33 48.71 0.00 0.00 0.00 0.00 09:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.17 7.17 1.51 1.51 0.00 0.00 0.00 0.00 Average: eth0 196.01 132.60 1594.31 44.68 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 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) 03/05/2026 _x86_64_ (4 CPU) 09:09:50 LINUX RESTART (4 CPU) 09:10:00 AM CPU %user %nice %system %iowait %steal %idle 09:10:01 AM all 11.69 0.00 19.74 19.74 0.26 48.57 09:10:01 AM 0 9.18 0.00 24.49 1.02 0.00 65.31 09:10:01 AM 1 12.63 0.00 21.05 6.32 0.00 60.00 09:10:01 AM 2 10.42 0.00 22.92 13.54 0.00 53.12 09:10:01 AM 3 14.58 0.00 10.42 58.33 1.04 15.62 09:11:01 AM all 22.96 0.00 4.04 7.90 0.10 65.01 09:11:01 AM 0 19.16 0.00 3.63 11.99 0.10 65.11 09:11:01 AM 1 27.76 0.00 4.42 9.32 0.10 58.40 09:11:01 AM 2 14.79 0.00 5.06 7.43 0.10 72.61 09:11:01 AM 3 30.11 0.00 3.03 2.85 0.08 63.92 09:12:01 AM all 10.83 0.00 1.16 10.88 0.09 77.05 09:12:01 AM 0 9.21 0.00 1.16 11.87 0.08 77.68 09:12:01 AM 1 18.10 0.00 1.56 3.72 0.10 76.52 09:12:01 AM 2 9.54 0.00 1.19 23.63 0.08 65.56 09:12:01 AM 3 6.45 0.00 0.75 4.29 0.08 88.42 09:13:01 AM all 54.30 0.00 2.52 2.73 0.16 40.30 09:13:01 AM 0 58.18 0.00 2.04 3.20 0.13 36.45 09:13:01 AM 1 61.35 0.00 2.30 1.21 0.15 34.98 09:13:01 AM 2 52.15 0.00 2.68 2.10 0.17 42.91 09:13:01 AM 3 45.51 0.00 3.04 4.43 0.17 46.85 09:14:01 AM all 16.76 0.00 0.99 0.20 0.08 81.97 09:14:01 AM 0 17.65 0.00 0.92 0.05 0.10 81.28 09:14:01 AM 1 19.39 0.00 0.84 0.03 0.08 79.66 09:14:01 AM 2 16.64 0.00 0.94 0.05 0.08 82.29 09:14:01 AM 3 13.35 0.00 1.27 0.67 0.07 84.64 Average: all 26.14 0.00 2.25 5.48 0.11 66.03 Average: 0 25.98 0.00 2.03 6.75 0.10 65.14 Average: 1 31.54 0.00 2.35 3.58 0.11 62.42 Average: 2 23.23 0.00 2.55 8.32 0.11 65.80 Average: 3 23.81 0.00 2.06 3.28 0.10 70.75