---> uname -a: Linux prd-centos8-docker-8c-8g-247.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: 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1080 27034 19 3772 30345 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:41:8a:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.208/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe41:8ae2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d4:58:45:4a 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:d4ff:fe58:454a/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) 07/16/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 207.27 14.50 192.77 3222.93 11017.00 05:14:01 PM 491.74 4.78 486.95 1166.94 19767.69 05:15:01 PM 236.85 3.50 233.36 479.17 42100.90 Average: 311.96 7.59 304.37 1622.93 24295.93 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29078904 31145848 3574468 10.95 2688 2380708 2012432 5.97 192912 2908044 284200 05:14:01 PM 27641608 30125292 5011764 15.35 2688 2788160 2246884 6.67 399828 4095200 196848 05:15:01 PM 27683984 31071708 4969388 15.22 2688 3681748 1539300 4.57 643924 3770768 166156 Average: 28134832 30780949 4518540 13.84 2688 2950205 1932872 5.74 412221 3591337 215735 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 239.78 192.30 2857.08 49.12 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 440.94 375.67 5854.94 53.79 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 532.24 456.91 6016.59 1306.04 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.03 14.18 0.52 260.52 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 404.33 341.64 4909.65 469.67 0.00 0.00 0.00 0.00 Average: docker0 2.34 4.73 0.17 86.85 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) 07/16/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 13.71 0.00 1.29 0.53 0.07 84.40 05:13:01 PM 0 15.68 0.00 1.07 0.23 0.07 82.95 05:13:01 PM 1 21.61 0.00 2.27 0.47 0.08 75.56 05:13:01 PM 2 15.98 0.00 1.54 0.60 0.07 81.81 05:13:01 PM 3 21.85 0.00 2.12 0.67 0.07 75.29 05:13:01 PM 4 6.80 0.00 0.70 0.27 0.12 92.11 05:13:01 PM 5 6.00 0.00 0.69 0.52 0.05 92.74 05:13:01 PM 6 13.53 0.00 1.32 0.89 0.07 84.20 05:13:01 PM 7 8.21 0.00 0.60 0.60 0.03 90.56 05:14:01 PM all 28.57 0.00 1.78 1.14 0.09 68.41 05:14:01 PM 0 32.81 0.00 1.47 0.50 0.10 65.12 05:14:01 PM 1 23.93 0.00 1.71 0.79 0.10 73.47 05:14:01 PM 2 34.65 0.00 1.69 0.47 0.08 63.11 05:14:01 PM 3 38.25 0.00 1.89 1.32 0.08 58.46 05:14:01 PM 4 26.58 0.00 1.96 1.36 0.08 70.02 05:14:01 PM 5 23.10 0.00 1.69 0.86 0.10 74.25 05:14:01 PM 6 29.25 0.00 1.39 0.89 0.10 68.38 05:14:01 PM 7 19.98 0.00 2.45 2.92 0.08 74.56 05:15:01 PM all 17.79 0.00 2.45 0.74 0.08 78.95 05:15:01 PM 0 22.39 0.00 3.04 0.50 0.07 74.01 05:15:01 PM 1 16.70 0.00 2.60 1.41 0.07 79.23 05:15:01 PM 2 17.61 0.00 3.21 1.23 0.08 77.87 05:15:01 PM 3 21.84 0.00 1.53 0.52 0.08 76.03 05:15:01 PM 4 12.51 0.00 2.49 0.77 0.08 84.15 05:15:01 PM 5 15.51 0.00 2.67 0.42 0.05 81.35 05:15:01 PM 6 15.39 0.00 1.91 0.24 0.07 82.39 05:15:01 PM 7 20.32 0.00 2.17 0.84 0.10 76.57 Average: all 20.02 0.00 1.84 0.80 0.08 77.26 Average: 0 23.62 0.00 1.86 0.41 0.08 74.03 Average: 1 20.75 0.00 2.19 0.89 0.08 76.09 Average: 2 22.75 0.00 2.14 0.76 0.08 74.27 Average: 3 27.31 0.00 1.85 0.84 0.08 69.93 Average: 4 15.29 0.00 1.72 0.80 0.10 82.10 Average: 5 14.86 0.00 1.68 0.60 0.07 82.79 Average: 6 19.39 0.00 1.54 0.67 0.08 78.32 Average: 7 16.16 0.00 1.74 1.45 0.07 80.58