---> uname -a: Linux prd-centos8-docker-4c-4g-3950.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 812 12133 19 2817 14616 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:6a:b4:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86158sec preferred_lft 86158sec inet6 fe80::f816:3eff:fe6a:b4ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5e:10:af:a5 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) 04/05/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:03 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 200.64 15.50 185.14 3231.44 10660.68 01:25:01 PM 177.29 6.25 171.04 1079.91 15272.19 01:26:01 PM 38.45 3.00 35.45 109.43 897.33 Average: 138.10 8.17 129.93 1453.75 8924.02 01:23:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12804636 14824940 3336896 20.67 2688 2228392 1377984 8.02 187880 2758608 179012 01:25:01 PM 11101532 13393700 5040000 31.22 2688 2495448 2744200 15.96 255224 4368588 3108 01:26:01 PM 12403928 14944844 3737604 23.16 2688 2741808 1199916 6.98 523312 2799520 262024 Average: 12103365 14387828 4038167 25.02 2688 2488549 1774033 10.32 322139 3308905 148048 01:23:03 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 176.11 138.17 2027.26 33.70 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 15.13 15.13 3.71 3.71 0.00 0.00 0.00 0.00 01:25:01 PM eth0 353.15 228.24 3735.71 52.68 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 13.96 13.96 2.38 2.38 0.00 0.00 0.00 0.00 01:26:01 PM eth0 66.94 72.28 276.84 927.45 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 9.81 9.81 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 198.99 146.32 2013.11 341.38 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) 04/05/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:03 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.20 0.00 2.51 0.99 0.09 70.21 01:24:01 PM 0 19.21 0.00 1.83 0.71 0.09 78.16 01:24:01 PM 1 26.84 0.00 2.63 0.76 0.10 69.67 01:24:01 PM 2 33.99 0.00 3.29 1.65 0.10 60.97 01:24:01 PM 3 24.77 0.00 2.30 0.87 0.07 72.00 01:25:01 PM all 49.95 0.00 2.00 0.99 0.10 46.96 01:25:01 PM 0 60.90 0.00 0.57 0.52 0.10 37.91 01:25:01 PM 1 46.81 0.00 3.04 1.14 0.10 48.91 01:25:01 PM 2 32.71 0.00 3.27 2.13 0.12 61.78 01:25:01 PM 3 59.30 0.00 1.12 0.18 0.10 39.30 01:26:01 PM all 15.36 0.00 1.34 0.15 0.07 83.08 01:26:01 PM 0 15.24 0.00 1.18 0.03 0.07 83.48 01:26:01 PM 1 9.16 0.00 0.72 0.18 0.08 89.85 01:26:01 PM 2 19.58 0.00 1.99 0.25 0.07 78.12 01:26:01 PM 3 17.48 0.00 1.46 0.13 0.07 80.87 Average: all 30.55 0.00 1.94 0.71 0.09 66.71 Average: 0 31.93 0.00 1.19 0.42 0.08 66.39 Average: 1 27.60 0.00 2.12 0.69 0.10 69.49 Average: 2 28.69 0.00 2.84 1.34 0.10 67.03 Average: 3 33.97 0.00 1.62 0.39 0.08 63.95