---> uname -a: Linux prd-centos8-docker-4c-4g-18388.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 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 786 12076 20 2898 14636 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:a3:98:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.14/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fea3:987c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ef:8f:cb:83 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) 09/07/2026 _x86_64_ (4 CPU) 01:26:34 LINUX RESTART (4 CPU) 01:27:01 AM tps rtps wtps bread/s bwrtn/s 01:28:01 AM 212.01 6.65 205.36 1087.46 6994.35 01:29:01 AM 255.81 18.75 237.06 4029.45 14972.05 01:30:01 AM 36.75 1.65 35.10 63.58 7872.83 Average: 168.20 9.02 159.19 1727.05 9946.80 01:27:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:28:01 AM 13153856 15116668 2985460 18.50 2688 2172348 1061532 6.18 139548 2466448 326856 01:29:01 AM 11619952 13985020 4519364 28.00 2688 2566880 2055012 11.96 235052 3857944 222684 01:30:01 AM 11278296 13648688 4861020 30.12 2688 2571944 2432400 14.15 250336 4180080 904 Average: 12017368 14250125 4121948 25.54 2688 2437057 1849648 10.76 208312 3501491 183481 01:27:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 148.58 108.03 1683.21 30.99 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:29:01 AM eth0 457.53 341.62 4309.66 58.26 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 25.27 25.27 5.09 5.09 0.00 0.00 0.00 0.00 01:30:01 AM eth0 24.71 18.49 15.87 21.92 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.45 8.45 1.70 1.70 0.00 0.00 0.00 0.00 Average: eth0 210.29 156.07 2003.15 37.06 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) 09/07/2026 _x86_64_ (4 CPU) 01:26:34 LINUX RESTART (4 CPU) 01:27:01 AM CPU %user %nice %system %iowait %steal %idle 01:28:01 AM all 19.33 0.00 2.22 1.13 0.02 77.31 01:28:01 AM 0 11.79 0.00 1.60 0.30 0.02 86.30 01:28:01 AM 1 14.81 0.00 2.19 2.41 0.02 80.57 01:28:01 AM 2 43.28 0.00 3.68 1.25 0.02 51.77 01:28:01 AM 3 7.43 0.00 1.39 0.55 0.02 90.61 01:29:01 AM all 40.72 0.00 3.00 1.71 0.03 54.54 01:29:01 AM 0 33.75 0.00 3.60 1.62 0.02 61.01 01:29:01 AM 1 43.26 0.00 2.58 2.28 0.03 51.86 01:29:01 AM 2 39.99 0.00 3.73 1.39 0.03 54.85 01:29:01 AM 3 45.89 0.00 2.09 1.55 0.03 50.43 01:30:01 AM all 25.03 0.00 0.73 0.11 0.03 74.11 01:30:01 AM 0 17.18 0.00 1.05 0.32 0.02 81.43 01:30:01 AM 1 32.05 0.00 0.43 0.00 0.03 67.48 01:30:01 AM 2 19.24 0.00 1.19 0.12 0.02 79.44 01:30:01 AM 3 31.61 0.00 0.23 0.00 0.03 68.12 Average: all 28.35 0.00 1.98 0.98 0.02 68.66 Average: 0 20.89 0.00 2.08 0.75 0.02 76.27 Average: 1 30.05 0.00 1.73 1.56 0.03 66.63 Average: 2 34.17 0.00 2.87 0.92 0.02 62.02 Average: 3 28.32 0.00 1.24 0.70 0.03 69.71