---> uname -a: Linux prd-centos8-docker-4c-4g-12037.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1045 10792 19 3922 14365 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:dd:45:da brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fedd:45da/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cf:db:42:85 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 inet6 fe80::42:cfff:fedb:4285/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/15/2026 _x86_64_ (4 CPU) 12:41:56 LINUX RESTART (4 CPU) 12:43:01 PM tps rtps wtps bread/s bwrtn/s 12:44:01 PM 303.00 6.73 296.27 1170.41 34201.92 12:45:01 PM 564.06 1.72 562.34 80.92 23747.49 12:46:01 PM 710.76 115.55 595.20 2052.61 15706.39 Average: 525.98 41.35 484.62 1101.58 24550.01 12:43:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:44:01 PM 9904056 12482052 6235264 38.63 2688 2769528 4337532 25.24 262772 5503232 136 12:45:01 PM 10305640 13799884 5833680 36.15 2688 3526132 1860432 10.82 425472 4611044 300252 12:46:01 PM 10250512 13875744 5888808 36.49 2688 3613500 2045832 11.90 495388 4477008 16956 Average: 10153403 13385893 5985917 37.09 2688 3303053 2747932 15.99 394544 4863761 105781 12:43:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:44:01 PM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 12:44:01 PM eth0 450.85 319.66 6176.60 51.87 0.00 0.00 0.00 0.00 12:44:01 PM docker0 0.12 0.22 0.00 0.02 0.00 0.00 0.00 0.00 12:44:01 PM veth48e6b68 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 12:44:01 PM veth485424d 0.03 0.07 0.00 0.00 0.00 0.00 0.00 0.00 12:45:01 PM lo 6.00 6.00 4.56 4.56 0.00 0.00 0.00 0.00 12:45:01 PM eth0 236.33 180.40 1803.88 1206.10 0.00 0.00 0.00 0.00 12:45:01 PM docker0 3.38 2.98 4.09 0.44 0.00 0.00 0.00 0.00 12:46:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:46:01 PM eth0 5.13 4.38 58.73 1.52 0.00 0.00 0.00 0.00 12:46:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.08 2.08 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 230.72 168.11 2679.20 419.69 0.00 0.00 0.00 0.00 Average: docker0 1.17 1.07 1.36 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/15/2026 _x86_64_ (4 CPU) 12:41:56 LINUX RESTART (4 CPU) 12:43:01 PM CPU %user %nice %system %iowait %steal %idle 12:44:01 PM all 37.24 0.00 3.75 1.75 0.10 57.15 12:44:01 PM 0 46.25 0.00 4.35 2.15 0.10 47.14 12:44:01 PM 1 31.35 0.00 3.26 1.79 0.12 63.48 12:44:01 PM 2 37.44 0.00 4.01 1.98 0.10 56.47 12:44:01 PM 3 33.95 0.00 3.39 1.07 0.10 61.49 12:45:01 PM all 37.47 0.09 8.76 3.87 0.10 49.71 12:45:01 PM 0 36.16 0.09 9.97 4.97 0.10 48.71 12:45:01 PM 1 34.21 0.15 6.68 1.59 0.08 57.29 12:45:01 PM 2 45.58 0.07 9.46 4.03 0.12 40.75 12:45:01 PM 3 33.95 0.07 8.94 4.88 0.08 52.08 12:46:01 PM all 38.49 0.00 3.24 5.23 0.10 52.94 12:46:01 PM 0 65.16 0.00 4.35 7.56 0.12 22.82 12:46:01 PM 1 26.67 0.00 2.44 3.53 0.10 67.25 12:46:01 PM 2 37.74 0.00 3.45 5.44 0.10 53.27 12:46:01 PM 3 24.49 0.00 2.71 4.38 0.10 68.32 Average: all 37.74 0.03 5.24 3.61 0.10 53.28 Average: 0 49.25 0.03 6.21 4.89 0.11 39.51 Average: 1 30.73 0.05 4.12 2.31 0.10 62.69 Average: 2 40.23 0.02 5.63 3.82 0.11 50.19 Average: 3 30.78 0.02 4.99 3.44 0.10 60.67