---> uname -a: Linux prd-centos8-docker-4c-4g-787.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 834 12154 19 2774 14593 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:4b:cd:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.199/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe4b:cd88/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:66:6f:7c:ee 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) 03/01/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 277.01 16.49 260.51 3904.57 13097.73 01:26:01 PM 57.21 4.48 52.72 345.68 8817.40 01:27:01 PM 54.51 1.48 53.02 92.25 9035.78 Average: 129.58 7.49 122.10 1447.63 10317.12 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12170992 14399808 3970540 24.60 2688 2432804 1682108 9.79 210552 3351584 245008 01:26:01 PM 11449072 13698700 4692460 29.07 2688 2452804 2384108 13.87 249580 4024396 876 01:27:01 PM 12469188 14967172 3672344 22.75 2688 2698672 1173164 6.82 520512 2736428 23212 Average: 12029751 14355227 4111781 25.47 2688 2528093 1746460 10.16 326881 3370803 89699 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 471.43 319.33 4503.57 66.30 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 23.95 23.95 4.96 4.96 0.00 0.00 0.00 0.00 01:26:01 PM eth0 30.00 21.78 104.12 18.75 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 4.98 4.98 1.11 1.11 0.00 0.00 0.00 0.00 01:27:01 PM eth0 68.34 73.70 277.87 927.58 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.64 9.64 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 189.94 138.28 1628.68 337.53 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) 03/01/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 34.69 0.00 2.93 2.17 0.10 60.12 01:25:01 PM 0 29.18 0.00 2.45 1.84 0.13 66.40 01:25:01 PM 1 38.29 0.00 2.96 2.81 0.10 55.83 01:25:01 PM 2 28.75 0.00 2.41 1.71 0.08 67.04 01:25:01 PM 3 42.55 0.00 3.87 2.31 0.08 51.18 01:26:01 PM all 37.26 0.00 0.91 0.59 0.08 61.16 01:26:01 PM 0 44.01 0.00 0.40 0.27 0.08 55.24 01:26:01 PM 1 26.40 0.00 1.29 1.04 0.07 71.21 01:26:01 PM 2 34.37 0.00 1.49 0.85 0.08 63.20 01:26:01 PM 3 44.23 0.00 0.47 0.20 0.08 55.02 01:27:01 PM all 20.52 0.00 1.73 0.84 0.07 76.85 01:27:01 PM 0 28.05 0.00 2.45 1.02 0.07 68.41 01:27:01 PM 1 17.96 0.00 1.49 1.60 0.07 78.88 01:27:01 PM 2 13.83 0.00 1.00 0.08 0.07 85.02 01:27:01 PM 3 22.22 0.00 1.97 0.63 0.07 75.10 Average: all 30.82 0.00 1.85 1.20 0.08 66.05 Average: 0 33.75 0.00 1.77 1.04 0.09 63.35 Average: 1 27.54 0.00 1.91 1.82 0.08 68.65 Average: 2 25.65 0.00 1.63 0.88 0.08 71.76 Average: 3 36.32 0.00 2.10 1.05 0.08 60.45