---> uname -a: Linux prd-centos8-docker-8c-8g-115.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 31890 1077 26516 19 4295 30346 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:e1:4e:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.135/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fee1:4e8b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2a:84:8d:a0 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::42:2aff:fe84:8da0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/07/2026 _x86_64_ (8 CPU) 02:28:41 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 236.64 17.34 219.29 3930.02 7154.67 02:31:01 AM 269.79 17.23 252.57 3823.13 12074.39 02:32:01 AM 158.70 15.89 142.81 1466.33 39401.00 02:33:01 AM 91.04 4.58 86.46 4649.54 25111.36 Average: 189.04 13.76 175.28 3467.22 20936.30 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29626408 31262892 3029304 9.28 2688 1962096 1407108 4.17 137164 2470320 158620 02:31:01 AM 28477000 30647760 4178712 12.80 2688 2483708 1835092 5.44 208808 3488616 293152 02:32:01 AM 25925732 28987652 6729980 20.61 2688 3356776 5438732 16.14 453936 5712680 292 02:33:01 AM 27122236 31043800 5533476 16.94 2688 4211344 1544632 4.58 881568 4090292 23140 Average: 27787844 30485526 4867868 14.91 2688 3003481 2556391 7.58 420369 3940477 118801 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 606.36 353.28 1681.71 70.15 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 499.67 383.94 5549.72 67.05 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 3.65 3.65 0.40 0.40 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1429.15 391.94 7207.80 36.44 0.00 0.00 0.00 0.00 02:32:01 AM docker0 1.45 1.95 0.20 0.22 0.00 0.00 0.00 0.00 02:32:01 AM vethce5f212 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 02:33:01 AM lo 8.15 8.15 0.86 0.86 0.00 0.00 0.00 0.00 02:33:01 AM eth0 154.77 155.34 1388.42 1254.51 0.00 0.00 0.00 0.00 02:33:01 AM docker0 2.85 3.46 0.41 0.41 0.00 0.00 0.00 0.00 Average: lo 2.95 2.95 0.31 0.31 0.00 0.00 0.00 0.00 Average: eth0 672.50 321.12 3956.94 357.06 0.00 0.00 0.00 0.00 Average: docker0 1.07 1.35 0.15 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/07/2026 _x86_64_ (8 CPU) 02:28:41 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 9.94 0.00 1.55 0.56 0.05 87.90 02:30:01 AM 0 14.89 0.00 1.79 0.13 0.05 83.14 02:30:01 AM 1 14.70 0.00 2.78 2.46 0.08 79.98 02:30:01 AM 2 2.83 0.00 0.95 0.03 0.07 96.12 02:30:01 AM 3 3.34 0.00 1.32 0.62 0.07 94.65 02:30:01 AM 4 14.70 0.00 1.32 0.29 0.07 83.62 02:30:01 AM 5 10.94 0.00 1.72 0.47 0.03 86.83 02:30:01 AM 6 13.85 0.00 1.22 0.45 0.03 84.45 02:30:01 AM 7 4.23 0.00 1.30 0.03 0.03 94.40 02:31:01 AM all 18.27 0.00 1.63 0.85 0.08 79.18 02:31:01 AM 0 21.03 0.00 1.55 1.12 0.08 76.21 02:31:01 AM 1 17.21 0.00 1.55 0.69 0.08 80.46 02:31:01 AM 2 19.08 0.00 1.73 0.92 0.08 78.19 02:31:01 AM 3 35.79 0.00 2.34 0.96 0.08 60.83 02:31:01 AM 4 16.55 0.00 1.08 1.20 0.08 81.09 02:31:01 AM 5 8.01 0.00 2.04 0.35 0.05 89.55 02:31:01 AM 6 14.94 0.00 1.29 1.01 0.07 82.69 02:31:01 AM 7 13.50 0.00 1.48 0.52 0.08 84.41 02:32:01 AM all 28.92 0.20 3.01 0.85 0.08 66.94 02:32:01 AM 0 45.49 0.02 2.68 0.59 0.08 51.14 02:32:01 AM 1 36.99 0.00 3.03 0.89 0.07 59.02 02:32:01 AM 2 32.09 0.00 2.68 0.96 0.08 64.19 02:32:01 AM 3 19.14 0.07 2.88 0.34 0.07 77.50 02:32:01 AM 4 28.56 0.00 2.76 0.37 0.07 68.24 02:32:01 AM 5 20.02 0.00 3.67 0.91 0.08 75.31 02:32:01 AM 6 29.05 1.52 3.56 0.66 0.07 65.15 02:32:01 AM 7 20.03 0.00 2.86 2.07 0.08 74.96 02:33:01 AM all 18.33 0.07 2.21 0.41 0.06 78.92 02:33:01 AM 0 16.88 0.43 1.87 0.10 0.07 80.64 02:33:01 AM 1 26.09 0.00 2.21 0.92 0.07 70.71 02:33:01 AM 2 22.58 0.00 2.26 0.43 0.07 74.66 02:33:01 AM 3 19.57 0.00 2.69 0.69 0.07 76.99 02:33:01 AM 4 15.25 0.05 2.20 0.37 0.07 82.07 02:33:01 AM 5 18.20 0.00 2.71 0.45 0.05 78.58 02:33:01 AM 6 11.19 0.02 1.83 0.17 0.05 86.75 02:33:01 AM 7 16.82 0.03 1.94 0.18 0.07 80.96 Average: all 18.85 0.07 2.10 0.67 0.07 78.25 Average: 0 24.53 0.11 1.97 0.49 0.07 72.83 Average: 1 23.74 0.00 2.39 1.24 0.08 72.55 Average: 2 19.12 0.00 1.90 0.59 0.08 78.31 Average: 3 19.43 0.02 2.31 0.65 0.07 77.52 Average: 4 18.76 0.01 1.84 0.55 0.07 78.76 Average: 5 14.29 0.00 2.53 0.55 0.05 82.57 Average: 6 17.24 0.38 1.97 0.57 0.05 79.78 Average: 7 13.64 0.01 1.90 0.70 0.07 83.69