---> uname -a: Linux prd-centos8-docker-8c-8g-12458.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): 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: 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): 0-7 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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1047 26390 19 4449 30372 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:3b:01:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.213/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe3b:158/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5e:91:82:9f 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::42:5eff:fe91:829f/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) 07/26/2026 _x86_64_ (8 CPU) 02:28:21 LINUX RESTART (8 CPU) 02:29:02 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 188.61 14.93 173.69 3276.04 11268.72 02:31:01 AM 217.21 6.05 211.16 1190.14 19739.15 02:32:01 AM 136.75 15.28 121.48 5433.12 29938.45 Average: 180.82 12.07 168.75 3299.90 20365.97 02:29:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29121532 31127260 3531840 10.82 2688 2321040 1593956 4.73 186584 2878904 240768 02:31:01 AM 27351088 29804660 5302284 16.24 2688 2762596 2737632 8.12 273400 4525884 119200 02:32:01 AM 26122340 30092968 6531032 20.00 2688 4259524 2299396 6.82 667516 5290712 614280 Average: 27531653 30341629 5121719 15.69 2688 3114387 2210328 6.56 375833 4231833 324749 02:29:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 187.94 135.62 2191.83 40.66 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 693.45 423.79 6607.47 52.37 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.81 11.81 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1190.30 326.22 6710.15 37.84 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.27 5.41 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.96 3.96 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 693.37 296.10 5186.44 43.64 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.82 0.21 0.21 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) 07/26/2026 _x86_64_ (8 CPU) 02:28:21 LINUX RESTART (8 CPU) 02:29:02 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.23 0.00 1.31 0.85 0.05 84.56 02:30:01 AM 0 7.12 0.00 0.88 0.61 0.05 91.34 02:30:01 AM 1 28.37 0.00 2.63 0.82 0.07 68.11 02:30:01 AM 2 30.90 0.00 3.04 2.33 0.07 63.66 02:30:01 AM 3 9.98 0.00 0.85 0.70 0.05 88.42 02:30:01 AM 4 10.14 0.00 0.81 0.34 0.03 88.68 02:30:01 AM 5 8.29 0.00 0.83 0.46 0.05 90.37 02:30:01 AM 6 7.12 0.00 0.87 0.15 0.03 91.83 02:30:01 AM 7 3.94 0.00 0.56 1.38 0.03 94.09 02:31:01 AM all 27.62 0.00 1.30 1.55 0.09 69.43 02:31:01 AM 0 28.29 0.00 1.04 0.99 0.08 69.60 02:31:01 AM 1 18.37 0.00 1.46 2.03 0.07 78.07 02:31:01 AM 2 31.26 0.00 0.85 0.75 0.08 67.05 02:31:01 AM 3 37.26 0.00 0.91 0.35 0.12 61.36 02:31:01 AM 4 18.00 0.00 1.51 2.46 0.08 77.95 02:31:01 AM 5 15.96 0.00 1.34 4.00 0.07 78.63 02:31:01 AM 6 35.86 0.00 1.86 1.57 0.12 60.59 02:31:01 AM 7 35.96 0.00 1.47 0.25 0.08 62.23 02:32:01 AM all 20.77 0.30 3.09 1.37 0.10 74.37 02:32:01 AM 0 19.36 0.03 2.90 1.06 0.10 76.55 02:32:01 AM 1 18.56 0.02 3.44 1.10 0.12 76.77 02:32:01 AM 2 24.87 0.02 2.56 0.22 0.08 72.25 02:32:01 AM 3 18.55 0.07 3.76 2.00 0.08 75.55 02:32:01 AM 4 18.50 0.00 3.03 0.37 0.08 78.02 02:32:01 AM 5 20.17 0.03 2.07 1.11 0.10 76.51 02:32:01 AM 6 24.19 2.16 3.87 2.31 0.10 67.36 02:32:01 AM 7 21.95 0.03 3.12 2.83 0.10 71.97 Average: all 20.58 0.10 1.90 1.26 0.08 76.08 Average: 0 18.31 0.01 1.61 0.89 0.08 79.10 Average: 1 21.75 0.01 2.51 1.32 0.08 74.34 Average: 2 29.01 0.01 2.15 1.10 0.08 67.66 Average: 3 22.00 0.02 1.84 1.01 0.08 75.04 Average: 4 15.57 0.00 1.79 1.06 0.07 81.52 Average: 5 14.83 0.01 1.42 1.87 0.07 81.80 Average: 6 22.47 0.72 2.20 1.35 0.08 73.18 Average: 7 20.70 0.01 1.72 1.48 0.07 76.02