---> uname -a: Linux prd-centos8-docker-4c-4g-2646.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: 2799.996 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 12171 19 2757 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:fd:05:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.25/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fefd:52c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:74:09:30:f2 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) 03/06/2026 _x86_64_ (4 CPU) 13:22:50 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 402.08 30.68 371.40 7367.81 45674.81 01:25:01 PM 268.67 20.54 248.13 4234.55 17216.38 01:26:01 PM 24.29 0.47 23.83 15.46 1917.41 Average: 230.73 17.16 213.58 3853.11 21468.19 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13192196 15010540 2949328 18.27 2688 2030948 1195156 6.95 145448 2437748 219184 01:25:01 PM 11620848 13849548 4520676 28.01 2688 2432344 2373200 13.81 242320 3859792 48736 01:26:01 PM 11991752 14226968 4149772 25.71 2688 2438800 1877300 10.92 251056 3485232 5648 Average: 12268265 14362352 3873259 24.00 2688 2300697 1815219 10.56 212941 3260924 91189 01:23:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 327.19 204.95 1867.06 70.04 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 3.83 3.83 0.40 0.40 0.00 0.00 0.00 0.00 01:25:01 PM eth0 451.27 330.92 4330.02 65.91 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 25.04 25.04 5.68 5.68 0.00 0.00 0.00 0.00 01:26:01 PM eth0 23.71 17.03 8.41 19.20 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 Average: lo 9.68 9.68 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 267.07 184.19 2069.74 51.62 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) 03/06/2026 _x86_64_ (4 CPU) 13:22:50 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.88 0.00 3.92 2.32 0.09 65.79 01:24:01 PM 0 32.17 0.00 4.28 1.07 0.10 62.38 01:24:01 PM 1 21.10 0.00 2.59 1.12 0.09 75.10 01:24:01 PM 2 32.49 0.00 4.12 1.79 0.09 61.51 01:24:01 PM 3 25.75 0.00 4.69 5.30 0.09 64.17 01:25:01 PM all 55.51 0.00 2.93 1.31 0.10 40.15 01:25:01 PM 0 44.92 0.00 3.03 1.37 0.10 50.58 01:25:01 PM 1 55.74 0.00 4.39 1.88 0.10 37.90 01:25:01 PM 2 61.71 0.00 1.57 0.70 0.08 35.93 01:25:01 PM 3 59.68 0.00 2.73 1.31 0.10 36.19 01:26:01 PM all 17.49 0.00 0.69 0.09 0.07 81.66 01:26:01 PM 0 13.87 0.00 0.94 0.22 0.07 84.91 01:26:01 PM 1 10.76 0.00 1.12 0.12 0.07 87.93 01:26:01 PM 2 22.71 0.00 0.38 0.02 0.07 76.83 01:26:01 PM 3 22.59 0.00 0.33 0.02 0.07 76.99 Average: all 33.65 0.00 2.50 1.23 0.08 62.53 Average: 0 30.30 0.00 2.74 0.89 0.09 65.98 Average: 1 29.23 0.00 2.70 1.04 0.08 66.95 Average: 2 39.00 0.00 2.01 0.83 0.08 58.08 Average: 3 36.06 0.00 2.57 2.19 0.08 59.10