---> uname -a: Linux prd-centos8-docker-8c-8g-7914.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1025 28129 19 2734 30416 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:af:fe:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.13/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86216sec preferred_lft 86216sec inet6 fe80::f816:3eff:feaf:fe77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d7:f3:d7:a1 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) 05/03/2026 _x86_64_ (8 CPU) 15:58:48 LINUX RESTART (8 CPU) 03:59:01 PM tps rtps wtps bread/s bwrtn/s 04:00:01 PM 246.81 27.09 219.72 7010.64 9841.18 04:01:01 PM 275.51 19.42 256.09 4303.85 16935.13 Average: 261.16 23.26 237.91 5657.25 13388.16 03:59:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:00:01 PM 29468936 31210968 3186776 9.76 2688 2061648 1463772 4.34 150380 2591652 220668 04:01:01 PM 27283668 29555468 5372044 16.45 2688 2582944 2887008 8.57 257340 4617564 183380 Average: 28376302 30383218 4279410 13.10 2688 2322296 2175390 6.45 203860 3604608 202024 03:59:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:00:01 PM eth0 432.42 270.68 2089.57 75.55 0.00 0.00 0.00 0.00 04:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:01:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:01:01 PM eth0 431.28 332.97 5667.25 51.31 0.00 0.00 0.00 0.00 04:01:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 431.85 301.82 3878.41 63.43 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) 05/03/2026 _x86_64_ (8 CPU) 15:58:48 LINUX RESTART (8 CPU) 03:59:01 PM CPU %user %nice %system %iowait %steal %idle 04:00:01 PM all 15.27 0.00 2.17 0.64 0.06 81.86 04:00:01 PM 0 15.92 0.00 1.62 0.35 0.08 82.02 04:00:01 PM 1 6.76 0.00 1.85 0.32 0.07 91.01 04:00:01 PM 2 14.49 0.00 2.61 2.38 0.05 80.48 04:00:01 PM 3 29.23 0.00 3.47 0.35 0.05 66.89 04:00:01 PM 4 18.50 0.00 2.80 0.64 0.05 78.01 04:00:01 PM 5 11.18 0.00 2.01 0.45 0.03 86.33 04:00:01 PM 6 16.35 0.00 1.90 0.27 0.05 81.43 04:00:01 PM 7 9.72 0.00 1.10 0.35 0.08 88.74 04:01:01 PM all 33.04 0.00 1.54 0.82 0.08 64.51 04:01:01 PM 0 23.67 0.00 1.00 0.73 0.08 74.51 04:01:01 PM 1 35.37 0.00 1.12 0.63 0.08 62.80 04:01:01 PM 2 38.70 0.00 2.73 1.81 0.08 56.68 04:01:01 PM 3 38.07 0.00 1.27 0.55 0.08 60.02 04:01:01 PM 4 45.89 0.00 1.69 0.48 0.08 51.85 04:01:01 PM 5 28.99 0.00 2.04 1.29 0.08 67.60 04:01:01 PM 6 35.86 0.00 1.12 0.45 0.08 62.48 04:01:01 PM 7 17.81 0.00 1.39 0.62 0.08 80.10 Average: all 24.16 0.00 1.86 0.73 0.07 73.18 Average: 0 19.80 0.00 1.31 0.54 0.08 78.27 Average: 1 21.09 0.00 1.48 0.48 0.08 76.87 Average: 2 26.57 0.00 2.67 2.09 0.07 68.59 Average: 3 33.65 0.00 2.37 0.45 0.07 63.46 Average: 4 32.21 0.00 2.24 0.56 0.07 64.92 Average: 5 20.09 0.00 2.02 0.87 0.06 76.96 Average: 6 26.10 0.00 1.51 0.36 0.07 71.96 Average: 7 13.77 0.00 1.25 0.49 0.08 84.42