---> uname -a: Linux prd-centos8-docker-4c-4g-1139.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: 2800.000 BogoMIPS: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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: 15761 771 12082 20 2906 14651 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:4e:01:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.191/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86168sec preferred_lft 86168sec inet6 fe80::f816:3eff:fe4e:12e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8d:09:73:9d 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/13/2026 _x86_64_ (4 CPU) 07:32:45 LINUX RESTART (4 CPU) 07:33:01 AM tps rtps wtps bread/s bwrtn/s 07:34:01 AM 238.39 37.89 200.50 7335.44 23720.74 07:35:02 AM 270.55 16.63 253.92 3928.97 16012.79 07:36:01 AM 73.70 5.10 68.60 368.42 9045.14 Average: 194.89 19.95 174.94 3897.21 16299.83 07:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:34:01 AM 13323888 15112124 2815428 17.44 2688 2004452 1130560 6.58 139136 2320496 196484 07:35:02 AM 12138588 14496988 4000728 24.79 2688 2560496 1730132 10.07 217108 3360812 239324 07:36:01 AM 12387368 15006684 3751948 23.25 2688 2819348 1177356 6.85 350044 2971872 247388 Average: 12616615 14871932 3522701 21.83 2688 2461432 1346016 7.83 235429 2884393 227732 07:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 331.57 196.47 1771.85 70.84 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:02 AM eth0 433.43 321.79 4779.59 70.27 0.00 0.00 0.00 0.00 07:35:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:36:01 AM lo 32.16 32.16 8.42 8.42 0.00 0.00 0.00 0.00 07:36:01 AM eth0 90.46 75.52 369.92 46.05 0.00 0.00 0.00 0.00 07:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.60 10.60 2.77 2.77 0.00 0.00 0.00 0.00 Average: eth0 286.25 198.62 2318.08 62.48 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/13/2026 _x86_64_ (4 CPU) 07:32:45 LINUX RESTART (4 CPU) 07:33:01 AM CPU %user %nice %system %iowait %steal %idle 07:34:01 AM all 23.57 0.00 3.09 4.04 0.03 69.27 07:34:01 AM 0 13.15 0.00 2.67 1.40 0.02 82.76 07:34:01 AM 1 24.78 0.00 2.41 2.36 0.02 70.43 07:34:01 AM 2 38.53 0.00 3.63 1.42 0.05 56.37 07:34:01 AM 3 17.84 0.00 3.63 11.00 0.02 67.51 07:35:02 AM all 34.29 0.00 2.96 1.56 0.03 61.16 07:35:02 AM 0 28.78 0.00 2.52 0.85 0.03 67.81 07:35:02 AM 1 39.47 0.00 2.68 1.74 0.03 56.08 07:35:02 AM 2 28.67 0.00 3.25 2.11 0.02 65.95 07:35:02 AM 3 40.23 0.00 3.40 1.56 0.03 54.78 07:36:01 AM all 42.12 0.00 1.93 0.43 0.03 55.50 07:36:01 AM 0 33.08 0.00 2.50 0.88 0.02 63.51 07:36:01 AM 1 40.40 0.00 1.55 0.24 0.03 57.78 07:36:01 AM 2 48.28 0.00 1.45 0.27 0.02 49.98 07:36:01 AM 3 46.69 0.00 2.21 0.32 0.03 50.74 Average: all 33.28 0.00 2.66 2.02 0.03 62.01 Average: 0 24.96 0.00 2.57 1.05 0.02 71.41 Average: 1 34.86 0.00 2.22 1.45 0.03 61.44 Average: 2 38.45 0.00 2.78 1.27 0.03 57.47 Average: 3 34.87 0.00 3.08 4.31 0.03 57.71