---> uname -a: Linux prd-centos8-docker-8c-8g-7337.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 1079 26391 19 4416 30339 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:30:d6:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe30:d6d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:01:0c:c9:9c 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::42:1ff:fe0c:c99c/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) 06/06/2026 _x86_64_ (8 CPU) 07:02:34 LINUX RESTART (8 CPU) 07:03:01 AM tps rtps wtps bread/s bwrtn/s 07:04:01 AM 178.37 15.59 162.78 4188.20 10263.51 07:05:01 AM 248.73 4.67 244.06 1106.08 21716.90 07:06:01 AM 150.73 16.09 134.64 4549.95 29852.85 Average: 192.61 12.12 180.49 3281.53 20611.02 07:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:04:01 AM 28872640 30897708 3780732 11.58 2688 2341084 1803804 5.35 173152 3139384 266788 07:05:01 AM 27035516 29690228 5617856 17.20 2688 2960748 2760632 8.19 288544 4815044 275624 07:06:01 AM 26290068 30036076 6363304 19.49 2688 4035748 2713504 8.05 598564 5190328 386904 Average: 27399408 30208004 5253964 16.09 2688 3112527 2425980 7.20 353420 4381585 309772 07:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:01 AM eth0 164.31 122.71 2287.44 26.01 0.00 0.00 0.00 0.00 07:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 AM eth0 1119.53 526.73 8521.68 62.71 0.00 0.00 0.00 0.00 07:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:06:01 AM lo 12.95 12.95 1.36 1.36 0.00 0.00 0.00 0.00 07:06:01 AM eth0 874.49 245.40 4921.09 36.37 0.00 0.00 0.00 0.00 07:06:01 AM docker0 4.83 5.96 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.32 4.32 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 719.42 298.27 5243.22 41.69 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.99 0.22 0.23 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) 06/06/2026 _x86_64_ (8 CPU) 07:02:34 LINUX RESTART (8 CPU) 07:03:01 AM CPU %user %nice %system %iowait %steal %idle 07:04:01 AM all 12.30 0.00 1.36 0.49 0.07 85.78 07:04:01 AM 0 6.17 0.00 0.60 0.58 0.08 92.57 07:04:01 AM 1 13.60 0.00 1.66 0.85 0.07 83.83 07:04:01 AM 2 14.22 0.00 1.57 0.30 0.07 83.84 07:04:01 AM 3 17.06 0.00 2.20 0.77 0.07 79.90 07:04:01 AM 4 9.60 0.00 0.90 0.10 0.07 89.33 07:04:01 AM 5 7.05 0.00 0.85 0.37 0.07 91.66 07:04:01 AM 6 12.34 0.00 1.42 0.62 0.07 85.56 07:04:01 AM 7 18.35 0.00 1.65 0.35 0.05 79.60 07:05:01 AM all 32.79 0.00 1.58 0.86 0.10 64.67 07:05:01 AM 0 40.97 0.00 1.47 0.25 0.10 57.21 07:05:01 AM 1 27.91 0.00 1.50 1.02 0.12 69.45 07:05:01 AM 2 27.72 0.00 1.88 1.69 0.10 68.61 07:05:01 AM 3 41.85 0.00 1.69 0.60 0.10 55.76 07:05:01 AM 4 43.89 0.00 1.02 0.35 0.08 54.65 07:05:01 AM 5 14.42 0.00 1.34 1.16 0.08 83.00 07:05:01 AM 6 25.18 0.00 1.47 0.95 0.08 72.31 07:05:01 AM 7 40.38 0.00 2.30 0.84 0.10 56.39 07:06:01 AM all 20.24 0.57 3.23 1.50 0.11 74.35 07:06:01 AM 0 20.72 0.03 3.55 0.39 0.10 75.21 07:06:01 AM 1 17.55 0.39 3.17 0.32 0.10 78.47 07:06:01 AM 2 21.92 2.20 3.82 1.33 0.12 70.62 07:06:01 AM 3 21.49 0.05 3.18 1.63 0.08 73.56 07:06:01 AM 4 14.50 0.07 3.00 0.59 0.10 81.75 07:06:01 AM 5 21.70 1.71 2.84 0.59 0.12 73.04 07:06:01 AM 6 19.41 0.00 3.08 4.04 0.12 73.35 07:06:01 AM 7 24.61 0.10 3.21 3.11 0.10 68.86 Average: all 21.77 0.19 2.05 0.95 0.09 74.95 Average: 0 22.61 0.01 1.87 0.41 0.09 75.01 Average: 1 19.69 0.13 2.11 0.73 0.10 77.25 Average: 2 21.28 0.73 2.42 1.11 0.09 74.37 Average: 3 26.80 0.02 2.36 1.00 0.08 69.74 Average: 4 22.67 0.02 1.64 0.35 0.08 75.24 Average: 5 14.38 0.57 1.68 0.70 0.09 82.58 Average: 6 18.97 0.00 1.99 1.87 0.09 77.09 Average: 7 27.76 0.03 2.39 1.43 0.08 68.30