---> uname -a: Linux prd-centos8-docker-8c-8g-4920.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 1091 26355 19 4441 30327 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:c1:75:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.71/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fec1:75a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ef:cd:4a:ea 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:efff:fecd:4aea/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) 08/08/2026 _x86_64_ (8 CPU) 02:28:22 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 196.37 14.68 181.69 3220.93 10893.34 02:31:01 AM 210.33 6.05 204.28 1195.60 20688.22 02:32:01 AM 136.24 15.23 121.01 5433.92 28793.00 Average: 180.98 11.98 168.99 3283.48 20124.85 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29042172 31057060 3611200 11.06 2688 2329616 1578748 4.68 189820 2951552 248656 02:31:01 AM 26838080 29665656 5815292 17.81 2688 3133940 2835136 8.41 274340 5028972 457916 02:32:01 AM 26942328 31020708 5711044 17.49 2688 4365928 1547200 4.59 742520 4395748 739292 Average: 27607527 30581141 5045845 15.45 2688 3276495 1987028 5.90 402227 4125424 481955 02:29:01 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 210.86 155.23 2346.71 42.83 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 1922.28 694.24 11686.29 66.12 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 11.85 11.85 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 119.93 99.03 1392.35 24.17 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.30 5.48 0.62 0.63 0.00 0.00 0.00 0.00 Average: lo 3.95 3.95 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 751.02 316.17 5141.78 44.37 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.83 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) 08/08/2026 _x86_64_ (8 CPU) 02:28:22 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.83 0.00 1.38 0.51 0.06 84.21 02:30:01 AM 0 11.44 0.00 0.85 0.45 0.07 87.19 02:30:01 AM 1 7.46 0.00 1.00 0.70 0.05 90.78 02:30:01 AM 2 33.12 0.00 3.77 0.85 0.08 62.17 02:30:01 AM 3 11.38 0.00 0.80 0.48 0.05 87.29 02:30:01 AM 4 17.71 0.00 1.61 0.28 0.05 80.35 02:30:01 AM 5 12.66 0.00 1.37 0.62 0.07 85.28 02:30:01 AM 6 11.69 0.00 0.67 0.15 0.07 87.43 02:30:01 AM 7 5.20 0.00 0.99 0.52 0.05 93.25 02:31:01 AM all 28.65 0.00 1.79 0.61 0.10 68.84 02:31:01 AM 0 29.90 0.00 1.22 0.50 0.10 68.28 02:31:01 AM 1 33.15 0.00 2.24 0.94 0.12 63.56 02:31:01 AM 2 34.29 0.00 1.75 0.92 0.10 62.94 02:31:01 AM 3 34.97 0.00 1.88 0.45 0.12 62.58 02:31:01 AM 4 34.78 0.00 2.46 1.01 0.12 61.64 02:31:01 AM 5 17.42 0.00 1.63 0.64 0.08 80.22 02:31:01 AM 6 27.99 0.00 1.70 0.18 0.10 70.03 02:31:01 AM 7 16.64 0.00 1.44 0.27 0.10 81.55 02:32:01 AM all 21.90 0.32 3.02 0.62 0.08 74.05 02:32:01 AM 0 28.76 0.03 3.55 0.22 0.08 67.35 02:32:01 AM 1 25.89 0.00 3.46 1.06 0.08 69.51 02:32:01 AM 2 24.59 0.02 3.52 0.91 0.07 70.90 02:32:01 AM 3 26.20 0.00 3.67 0.84 0.07 69.22 02:32:01 AM 4 9.51 0.07 2.51 0.22 0.08 87.62 02:32:01 AM 5 19.47 0.05 2.60 0.24 0.07 77.58 02:32:01 AM 6 26.22 0.00 2.43 1.16 0.08 70.10 02:32:01 AM 7 14.55 2.42 2.42 0.35 0.08 80.17 Average: all 21.45 0.11 2.06 0.58 0.08 75.72 Average: 0 23.36 0.01 1.87 0.39 0.08 74.28 Average: 1 22.14 0.00 2.23 0.90 0.08 74.64 Average: 2 30.68 0.01 3.01 0.89 0.08 65.33 Average: 3 24.17 0.00 2.11 0.59 0.08 73.05 Average: 4 20.67 0.02 2.19 0.50 0.08 76.52 Average: 5 16.51 0.02 1.87 0.50 0.07 81.03 Average: 6 21.95 0.00 1.60 0.50 0.08 75.87 Average: 7 12.12 0.80 1.62 0.38 0.08 85.00