---> uname -a: Linux prd-centos8-docker-4c-4g-8959.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 771 12164 19 2827 14656 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:21:bc:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.163/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe21:bcfa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7d:4b:37:11 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) 05/08/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 196.50 15.04 181.46 3222.39 10416.44 01:25:01 PM 172.65 6.23 166.42 1055.42 15303.83 01:26:01 PM 34.64 2.93 31.71 108.23 753.98 Average: 134.60 8.07 126.53 1462.04 8824.39 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12836312 14867028 3305220 20.48 2688 2238384 1337316 7.78 188144 2724360 180012 01:25:01 PM 11472548 13772188 4668984 28.93 2688 2502828 2364496 13.75 254808 3997176 2380 01:26:01 PM 12525836 15075720 3615696 22.40 2688 2750960 1077228 6.27 521160 2680816 263156 Average: 12278232 14571645 3863300 23.93 2688 2497391 1593013 9.27 321371 3134117 148516 01:23:01 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 159.61 126.69 1943.79 30.43 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 13.36 13.36 3.58 3.58 0.00 0.00 0.00 0.00 01:25:01 PM eth0 298.63 209.03 3722.26 46.21 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 16.31 16.31 2.57 2.57 0.00 0.00 0.00 0.00 01:26:01 PM eth0 79.14 77.72 276.10 931.78 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 9.89 9.89 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 179.12 137.81 1980.62 336.16 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) 05/08/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.08 0.00 2.55 1.82 0.13 70.42 01:24:01 PM 0 23.93 0.00 3.31 3.28 0.13 69.34 01:24:01 PM 1 24.83 0.00 2.26 1.34 0.13 71.44 01:24:01 PM 2 22.08 0.00 1.94 1.19 0.13 74.65 01:24:01 PM 3 29.50 0.00 2.67 1.46 0.12 66.25 01:25:01 PM all 50.17 0.00 1.85 1.68 0.13 46.16 01:25:01 PM 0 34.85 0.00 2.06 1.87 0.13 61.09 01:25:01 PM 1 49.65 0.00 2.48 1.82 0.15 45.90 01:25:01 PM 2 56.07 0.00 1.64 1.22 0.12 40.95 01:25:01 PM 3 60.15 0.00 1.24 1.79 0.13 36.69 01:26:01 PM all 16.60 0.00 1.53 0.52 0.09 81.26 01:26:01 PM 0 12.06 0.00 1.10 0.79 0.12 85.93 01:26:01 PM 1 25.14 0.00 1.92 0.38 0.08 72.47 01:26:01 PM 2 15.86 0.00 1.52 0.40 0.07 82.14 01:26:01 PM 3 13.33 0.00 1.56 0.50 0.10 84.51 Average: all 30.62 0.00 1.98 1.34 0.12 65.95 Average: 0 23.61 0.00 2.16 1.98 0.13 72.13 Average: 1 33.21 0.00 2.22 1.18 0.12 63.27 Average: 2 31.35 0.00 1.70 0.94 0.11 65.91 Average: 3 34.33 0.00 1.82 1.25 0.12 62.48