---> uname -a: Linux prd-centos8-docker-4c-4g-16845.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 761 12238 19 2763 14666 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:99:65:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.223/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fe99:65eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ce:09:0f:42 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) 02/14/2026 _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 177.89 15.16 162.73 3205.73 9714.16 01:25:01 PM 194.07 6.17 187.90 1055.02 14766.21 01:26:01 PM 34.02 1.27 32.76 53.32 780.16 Average: 135.32 7.53 127.79 1438.04 8419.82 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12977784 14940844 3163748 19.60 2688 2171248 1315096 7.65 181316 2595736 150856 01:25:01 PM 11588960 13825432 4552572 28.20 2688 2439252 2299460 13.38 249116 3884596 2380 01:26:01 PM 12550472 15034240 3591060 22.25 2688 2684652 1114448 6.48 516552 2659604 262048 Average: 12372405 14600172 3769127 23.35 2688 2431717 1576335 9.17 315661 3046645 138428 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 140.79 113.15 1547.49 27.51 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 13.13 13.13 3.56 3.56 0.00 0.00 0.00 0.00 01:25:01 PM eth0 391.02 247.46 3769.06 66.07 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 16.08 16.08 2.54 2.54 0.00 0.00 0.00 0.00 01:26:01 PM eth0 82.82 79.39 276.68 932.89 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 9.74 9.74 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 204.87 146.66 1864.30 342.17 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) 02/14/2026 _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 26.25 0.00 2.50 1.81 0.09 69.36 01:24:01 PM 0 13.36 0.00 1.84 1.40 0.10 83.30 01:24:01 PM 1 40.41 0.00 3.94 1.65 0.10 53.89 01:24:01 PM 2 26.17 0.00 2.07 1.99 0.07 69.70 01:24:01 PM 3 25.05 0.00 2.12 2.18 0.08 70.57 01:25:01 PM all 48.66 0.00 1.99 2.31 0.11 46.92 01:25:01 PM 0 51.88 0.00 1.65 0.92 0.10 45.45 01:25:01 PM 1 43.80 0.00 2.56 2.41 0.12 51.12 01:25:01 PM 2 56.29 0.00 1.09 1.25 0.13 41.23 01:25:01 PM 3 42.66 0.00 2.67 4.68 0.10 49.88 01:26:01 PM all 17.21 0.00 1.55 0.13 0.07 81.04 01:26:01 PM 0 12.56 0.00 2.02 0.20 0.07 85.15 01:26:01 PM 1 14.08 0.00 1.22 0.20 0.08 84.41 01:26:01 PM 2 22.78 0.00 1.67 0.10 0.07 75.38 01:26:01 PM 3 19.41 0.00 1.29 0.03 0.07 79.21 Average: all 30.70 0.00 2.01 1.42 0.09 65.78 Average: 0 25.94 0.00 1.84 0.84 0.09 71.30 Average: 1 32.76 0.00 2.57 1.42 0.10 63.15 Average: 2 35.08 0.00 1.61 1.11 0.09 62.11 Average: 3 29.04 0.00 2.03 2.30 0.08 66.56