---> uname -a: Linux prd-centos8-docker-4c-4g-4460.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 775 12079 20 2906 14647 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:c6:92:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.59/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fec6:9257/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bd:a8:5c:66 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) 09/23/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 222.98 7.17 215.81 1205.83 7247.39 01:25:01 PM 270.54 19.64 250.90 3933.51 15783.38 01:26:01 PM 33.53 0.60 32.93 17.86 7384.84 Average: 175.43 9.15 166.29 1722.28 10155.46 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13144564 15119156 2994752 18.56 2688 2184004 1070248 6.23 139668 2476072 331596 01:25:01 PM 11591396 13966892 4547920 28.18 2688 2577156 2082940 12.12 243504 3876932 209488 01:26:01 PM 11360604 13738840 4778712 29.61 2688 2579796 2290832 13.33 254000 4097172 484 Average: 12032188 14274963 4107128 25.45 2688 2446985 1814673 10.56 212391 3483392 180523 01:23:02 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 142.10 86.26 1763.85 32.87 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 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 01:25:01 PM eth0 395.89 304.76 4269.88 59.89 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 26.56 26.56 5.22 5.22 0.00 0.00 0.00 0.00 01:26:01 PM eth0 26.96 19.50 11.47 19.58 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 9.30 9.30 1.79 1.79 0.00 0.00 0.00 0.00 Average: eth0 188.61 137.15 2016.83 37.48 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) 09/23/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 20.40 0.00 2.14 1.31 0.02 76.13 01:24:01 PM 0 25.10 0.00 2.62 0.90 0.02 71.37 01:24:01 PM 1 17.05 0.00 2.39 3.14 0.00 77.41 01:24:01 PM 2 19.76 0.00 1.58 0.34 0.03 78.28 01:24:01 PM 3 19.69 0.00 1.97 0.87 0.02 77.45 01:25:01 PM all 49.49 0.00 2.83 1.50 0.02 46.17 01:25:01 PM 0 55.84 0.00 3.13 2.01 0.02 39.01 01:25:01 PM 1 35.84 0.00 3.09 1.49 0.02 59.56 01:25:01 PM 2 53.03 0.00 2.89 1.44 0.02 42.63 01:25:01 PM 3 53.26 0.00 2.19 1.05 0.02 43.47 01:26:01 PM all 16.08 0.00 0.77 0.28 0.02 82.85 01:26:01 PM 0 20.42 0.00 0.35 0.02 0.02 79.19 01:26:01 PM 1 9.96 0.00 1.24 0.22 0.00 88.59 01:26:01 PM 2 13.49 0.00 1.12 0.80 0.03 84.55 01:26:01 PM 3 20.46 0.00 0.37 0.07 0.02 79.09 Average: all 28.70 0.00 1.91 1.03 0.02 68.35 Average: 0 33.83 0.00 2.03 0.97 0.02 63.16 Average: 1 20.97 0.00 2.24 1.61 0.01 75.18 Average: 2 28.81 0.00 1.87 0.86 0.03 68.43 Average: 3 31.19 0.00 1.51 0.66 0.02 66.63