---> uname -a: Linux prd-centos8-docker-4c-4g-20082.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 823 12168 19 2770 14605 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:c7:76:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.188/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fec7:76bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a4:35:6f:36 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) 02/25/2026 _x86_64_ (4 CPU) 13:22:20 LINUX RESTART (4 CPU) 01:23:04 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 189.41 15.61 173.80 3256.54 11216.49 01:25:01 PM 180.79 6.30 174.49 1081.15 13624.53 01:26:01 PM 32.72 1.23 31.49 52.38 735.80 Average: 133.37 7.58 125.79 1433.00 8479.72 01:23:04 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12879080 14852160 3262452 20.21 2688 2181396 1384000 8.05 181972 2690952 120980 01:25:01 PM 11424864 13670180 4716668 29.22 2688 2448612 2575364 14.98 249780 4048368 2372 01:26:01 PM 12532244 15024888 3609288 22.36 2688 2694020 1182628 6.88 346072 2848208 262024 Average: 12278729 14515743 3862803 23.93 2688 2441343 1713997 9.97 259275 3195843 128459 01:23:04 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 136.08 112.01 1591.62 28.22 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 12.58 12.58 3.51 3.51 0.00 0.00 0.00 0.00 01:25:01 PM eth0 307.35 206.27 3749.08 54.68 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 2.55 2.55 0.00 0.00 0.00 0.00 01:26:01 PM eth0 80.12 83.56 282.02 939.57 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 9.71 9.71 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 175.16 134.31 1878.93 346.14 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) 02/25/2026 _x86_64_ (4 CPU) 13:22:20 LINUX RESTART (4 CPU) 01:23:04 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.06 0.00 2.44 1.74 0.10 69.66 01:24:01 PM 0 26.65 0.00 2.38 1.51 0.11 69.35 01:24:01 PM 1 30.89 0.00 3.19 1.51 0.11 64.31 01:24:01 PM 2 15.73 0.00 1.09 0.92 0.11 82.15 01:24:01 PM 3 30.96 0.00 3.09 3.03 0.09 62.83 01:25:01 PM all 50.47 0.00 1.98 1.41 0.11 46.02 01:25:01 PM 0 33.14 0.00 2.38 2.26 0.12 62.10 01:25:01 PM 1 59.09 0.00 2.03 0.89 0.10 37.90 01:25:01 PM 2 49.68 0.00 1.86 0.95 0.12 47.39 01:25:01 PM 3 59.96 0.00 1.67 1.56 0.10 36.70 01:26:01 PM all 15.32 0.00 1.19 0.20 0.10 83.18 01:26:01 PM 0 18.38 0.00 1.29 0.07 0.12 80.15 01:26:01 PM 1 14.51 0.00 1.24 0.07 0.12 84.07 01:26:01 PM 2 16.15 0.00 0.95 0.07 0.08 82.74 01:26:01 PM 3 12.24 0.00 1.27 0.62 0.08 85.78 Average: all 30.69 0.00 1.86 1.11 0.10 66.24 Average: 0 26.04 0.00 2.01 1.28 0.11 70.57 Average: 1 34.88 0.00 2.13 0.81 0.11 62.07 Average: 2 27.39 0.00 1.31 0.64 0.10 70.57 Average: 3 34.44 0.00 1.99 1.71 0.09 61.77