---> uname -a: Linux prd-centos8-docker-8c-8g-8648.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1049 27071 19 3767 30376 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:07:cf:be brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.54/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe07:cfbe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5d:d9:41:7d 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::42:5dff:fed9:417d/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) 07/10/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 200.87 14.70 186.17 3228.13 11528.61 05:14:01 PM 449.80 4.78 445.02 1165.34 19511.13 05:15:01 PM 236.49 3.47 233.02 476.64 42140.99 Average: 295.72 7.65 288.08 1623.28 24394.29 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28758120 30811788 3895252 11.93 2688 2368040 1812120 5.38 166380 3257084 277172 05:14:01 PM 27778508 30259600 4874864 14.93 2688 2785292 2088052 6.20 401720 3954088 198168 05:15:01 PM 27774000 31156864 4879372 14.94 2688 3676768 1514948 4.50 644084 3681632 166180 Average: 28103543 30742751 4549829 13.93 2688 2943367 1805040 5.36 404061 3630935 213840 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 221.68 175.97 2779.22 46.76 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 445.58 378.61 5978.78 56.00 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 555.53 488.25 6014.31 2395.23 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.78 13.95 0.51 260.10 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 407.61 347.62 4924.22 832.70 0.00 0.00 0.00 0.00 Average: docker0 2.26 4.65 0.17 86.70 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) 07/10/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 12.79 0.00 1.19 0.58 0.06 85.39 05:13:01 PM 0 7.62 0.00 0.65 0.74 0.08 90.91 05:13:01 PM 1 18.69 0.00 1.81 0.99 0.05 78.47 05:13:01 PM 2 7.27 0.00 0.42 0.02 0.05 92.24 05:13:01 PM 3 20.07 0.00 2.02 0.57 0.07 77.28 05:13:01 PM 4 13.00 0.00 1.19 0.48 0.05 85.28 05:13:01 PM 5 7.50 0.00 0.95 0.87 0.05 90.63 05:13:01 PM 6 19.65 0.00 1.42 0.37 0.05 78.52 05:13:01 PM 7 8.48 0.00 1.04 0.59 0.05 89.85 05:14:01 PM all 30.01 0.00 1.82 1.20 0.10 66.87 05:14:01 PM 0 20.37 0.00 2.08 2.46 0.10 74.99 05:14:01 PM 1 37.53 0.00 1.49 0.64 0.10 60.24 05:14:01 PM 2 23.63 0.00 1.51 0.55 0.08 74.22 05:14:01 PM 3 38.75 0.00 2.88 2.13 0.10 56.14 05:14:01 PM 4 24.11 0.00 1.47 0.64 0.08 73.70 05:14:01 PM 5 23.75 0.00 1.34 0.42 0.10 74.39 05:14:01 PM 6 33.24 0.00 1.86 1.83 0.12 62.96 05:14:01 PM 7 38.72 0.00 1.94 0.94 0.08 58.32 05:15:01 PM all 17.56 0.00 2.43 0.91 0.08 79.03 05:15:01 PM 0 15.73 0.00 2.08 0.23 0.07 81.89 05:15:01 PM 1 22.26 0.00 3.76 2.22 0.08 71.68 05:15:01 PM 2 16.06 0.00 2.62 1.38 0.08 79.86 05:15:01 PM 3 13.29 0.00 2.40 1.09 0.07 83.15 05:15:01 PM 4 19.94 0.00 2.52 0.35 0.08 77.11 05:15:01 PM 5 16.17 0.00 1.48 0.47 0.07 81.81 05:15:01 PM 6 11.65 0.00 2.60 1.44 0.10 84.21 05:15:01 PM 7 25.38 0.00 1.96 0.07 0.08 72.51 Average: all 20.11 0.00 1.81 0.89 0.08 77.10 Average: 0 14.57 0.00 1.60 1.14 0.08 82.60 Average: 1 26.16 0.00 2.35 1.28 0.08 70.13 Average: 2 15.64 0.00 1.51 0.65 0.07 82.12 Average: 3 24.03 0.00 2.44 1.26 0.08 72.19 Average: 4 19.01 0.00 1.72 0.49 0.07 78.70 Average: 5 15.80 0.00 1.26 0.59 0.07 82.29 Average: 6 21.51 0.00 1.96 1.21 0.09 75.23 Average: 7 24.19 0.00 1.65 0.53 0.07 73.57