---> uname -a: Linux prd-centos8-docker-8c-8g-2960.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 1053 26536 19 4299 30370 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:a2:5d:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.164/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86055sec preferred_lft 86055sec inet6 fe80::f816:3eff:fea2:5d7b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3d:06:4d:34 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::42:3dff:fe06:4d34/64 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) 03/19/2026 _x86_64_ (8 CPU) 02:28:44 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 64.51 0.45 64.06 12.26 4324.36 02:32:01 AM 211.41 16.68 194.74 3279.57 10782.49 02:33:01 AM 147.14 3.97 143.18 1125.95 13326.93 02:34:01 AM 135.59 15.09 120.49 5516.96 28646.28 Average: 139.66 9.05 130.62 2483.74 14270.05 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 29696884 31302292 2958828 9.06 2688 1931184 1448676 4.30 137260 2400216 133376 02:32:01 AM 29012156 30917280 3643556 11.16 2688 2220692 1839304 5.46 190116 2980472 73704 02:33:01 AM 27071024 29821116 5584688 17.10 2688 3057568 2792736 8.29 305884 4773988 522236 02:34:01 AM 27187400 31102212 5468312 16.75 2688 4205932 1497504 4.44 741264 4165228 716232 Average: 28241866 30785725 4413846 13.52 2688 2853844 1894555 5.62 343631 3579976 361387 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 82.52 56.31 887.38 6.86 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 195.75 165.01 1581.83 46.66 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 AM eth0 1859.21 640.16 11276.76 56.82 0.00 0.00 0.00 0.00 02:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:34:01 AM lo 11.86 11.86 1.26 1.26 0.00 0.00 0.00 0.00 02:34:01 AM eth0 125.51 100.00 1377.49 25.94 0.00 0.00 0.00 0.00 02:34:01 AM docker0 4.27 5.36 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 2.97 2.97 0.32 0.32 0.00 0.00 0.00 0.00 Average: eth0 565.69 240.35 3780.55 34.07 0.00 0.00 0.00 0.00 Average: docker0 1.07 1.34 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) 03/19/2026 _x86_64_ (8 CPU) 02:28:44 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 4.90 0.00 0.50 1.86 0.03 92.71 02:31:01 AM 0 1.80 0.00 0.20 0.03 0.03 97.93 02:31:01 AM 1 2.50 0.00 0.42 8.20 0.05 88.83 02:31:01 AM 2 1.82 0.00 0.13 0.03 0.03 97.98 02:31:01 AM 3 3.25 0.00 0.28 0.58 0.03 95.85 02:31:01 AM 4 13.12 0.00 1.08 2.32 0.02 83.46 02:31:01 AM 5 0.87 0.00 0.25 0.98 0.02 97.88 02:31:01 AM 6 6.31 0.00 0.82 0.37 0.02 92.49 02:31:01 AM 7 9.54 0.00 0.85 2.34 0.02 87.26 02:32:01 AM all 12.60 0.00 1.19 1.37 0.08 84.76 02:32:01 AM 0 10.73 0.00 0.88 0.68 0.07 87.63 02:32:01 AM 1 10.14 0.00 0.89 1.15 0.08 87.73 02:32:01 AM 2 8.56 0.00 1.17 0.69 0.08 89.50 02:32:01 AM 3 18.62 0.00 1.34 2.40 0.07 77.57 02:32:01 AM 4 16.90 0.00 1.87 2.78 0.08 78.36 02:32:01 AM 5 10.96 0.00 1.39 1.02 0.08 86.55 02:32:01 AM 6 8.95 0.00 1.15 1.97 0.07 87.86 02:32:01 AM 7 15.95 0.00 0.87 0.25 0.07 82.87 02:33:01 AM all 26.38 0.00 1.54 1.72 0.07 70.29 02:33:01 AM 0 19.98 0.00 0.97 1.01 0.07 77.98 02:33:01 AM 1 32.74 0.00 1.37 0.47 0.08 65.34 02:33:01 AM 2 32.55 0.00 1.26 0.77 0.08 65.33 02:33:01 AM 3 20.94 0.00 1.24 0.64 0.07 77.12 02:33:01 AM 4 37.70 0.00 2.74 3.96 0.07 55.53 02:33:01 AM 5 24.44 0.00 2.13 2.69 0.08 70.66 02:33:01 AM 6 18.71 0.00 1.36 0.22 0.07 79.64 02:33:01 AM 7 24.00 0.00 1.21 3.99 0.07 70.73 02:34:01 AM all 22.19 0.28 3.47 1.48 0.08 72.50 02:34:01 AM 0 21.59 2.08 3.68 1.16 0.10 71.39 02:34:01 AM 1 22.28 0.05 4.22 4.55 0.10 68.80 02:34:01 AM 2 21.12 0.07 3.96 0.83 0.07 73.96 02:34:01 AM 3 21.84 0.03 2.94 0.67 0.10 74.41 02:34:01 AM 4 24.04 0.02 2.69 1.29 0.07 71.90 02:34:01 AM 5 21.28 0.02 3.77 0.93 0.07 73.94 02:34:01 AM 6 19.69 0.00 3.43 0.15 0.08 76.64 02:34:01 AM 7 25.64 0.00 3.07 2.23 0.07 68.99 Average: all 16.49 0.07 1.67 1.61 0.06 80.09 Average: 0 13.50 0.52 1.43 0.72 0.07 83.76 Average: 1 16.89 0.01 1.72 3.59 0.08 77.70 Average: 2 15.98 0.02 1.63 0.58 0.07 81.73 Average: 3 16.15 0.01 1.45 1.08 0.07 81.26 Average: 4 22.92 0.00 2.09 2.59 0.06 72.34 Average: 5 14.36 0.00 1.88 1.40 0.06 82.29 Average: 6 13.39 0.00 1.69 0.68 0.06 84.18 Average: 7 18.76 0.00 1.50 2.20 0.05 77.48