---> uname -a: Linux prd-centos8-docker-8c-8g-423.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: 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1063 26530 19 4296 30361 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:15:b2:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.226/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fe15:b20c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:07:58:2a:e8 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::42:7ff:fe58:2ae8/64 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) 03/08/2026 _x86_64_ (8 CPU) 02:28:18 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 197.00 14.61 182.39 3202.80 10927.15 02:31:01 AM 205.63 6.07 199.57 1194.20 15911.13 02:32:01 AM 134.34 14.98 119.36 5439.79 29609.31 Average: 178.99 11.89 167.10 3279.05 18816.46 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29206852 31077456 3448860 10.56 2688 2188172 1570604 4.66 183284 2805700 138956 02:31:01 AM 27268276 29825500 5387436 16.50 2688 2866480 2571040 7.63 308540 4578496 362888 02:32:01 AM 26040780 29993688 6614932 20.26 2688 4243940 2474476 7.34 736872 5313308 748720 Average: 27505303 30298881 5150409 15.77 2688 3099531 2205373 6.54 409565 4232501 416855 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 166.42 131.04 1847.36 39.82 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 1095.12 518.78 9531.03 54.92 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 11.95 11.95 1.27 1.27 0.00 0.00 0.00 0.00 02:32:01 AM eth0 489.97 167.94 3522.39 24.92 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.30 5.40 0.62 0.62 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 583.83 272.58 4966.85 39.89 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.80 0.21 0.21 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) 03/08/2026 _x86_64_ (8 CPU) 02:28:18 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.38 0.00 1.34 0.89 0.07 84.32 02:30:01 AM 0 7.83 0.00 0.62 0.12 0.05 91.38 02:30:01 AM 1 8.90 0.00 1.19 1.27 0.07 88.57 02:30:01 AM 2 21.47 0.00 1.79 1.69 0.07 74.98 02:30:01 AM 3 32.39 0.00 2.91 1.24 0.10 63.36 02:30:01 AM 4 12.56 0.00 0.80 0.65 0.08 85.90 02:30:01 AM 5 4.70 0.00 1.17 0.92 0.07 93.14 02:30:01 AM 6 11.43 0.00 1.19 0.68 0.07 86.64 02:30:01 AM 7 7.77 0.00 1.09 0.53 0.03 90.58 02:31:01 AM all 28.26 0.00 1.51 0.94 0.09 69.19 02:31:01 AM 0 9.14 0.00 1.46 2.38 0.10 86.93 02:31:01 AM 1 15.12 0.00 1.36 0.50 0.08 82.94 02:31:01 AM 2 32.77 0.00 1.78 0.99 0.10 64.36 02:31:01 AM 3 39.54 0.00 1.86 0.57 0.08 57.95 02:31:01 AM 4 44.96 0.00 1.53 0.62 0.12 52.77 02:31:01 AM 5 22.45 0.00 1.71 1.26 0.08 74.49 02:31:01 AM 6 36.45 0.00 1.59 0.84 0.08 61.03 02:31:01 AM 7 25.70 0.00 0.84 0.37 0.08 73.01 02:32:01 AM all 21.37 0.28 3.39 1.58 0.09 73.28 02:32:01 AM 0 19.30 0.00 3.05 0.32 0.08 77.24 02:32:01 AM 1 24.11 0.47 3.86 2.65 0.10 68.81 02:32:01 AM 2 16.75 1.74 4.44 4.96 0.10 72.01 02:32:01 AM 3 23.90 0.02 3.77 1.01 0.12 71.19 02:32:01 AM 4 20.87 0.03 2.78 0.74 0.08 75.49 02:32:01 AM 5 20.32 0.02 3.35 1.04 0.10 75.16 02:32:01 AM 6 27.90 0.00 3.11 0.79 0.08 68.11 02:32:01 AM 7 17.80 0.00 2.72 1.16 0.08 78.24 Average: all 21.00 0.09 2.08 1.14 0.08 75.61 Average: 0 12.08 0.00 1.71 0.94 0.08 85.19 Average: 1 16.03 0.16 2.13 1.48 0.08 80.12 Average: 2 23.67 0.58 2.66 2.54 0.09 70.46 Average: 3 31.95 0.01 2.84 0.94 0.10 64.16 Average: 4 26.12 0.01 1.70 0.67 0.10 71.40 Average: 5 15.80 0.01 2.08 1.07 0.08 80.95 Average: 6 25.24 0.00 1.96 0.77 0.08 71.95 Average: 7 17.08 0.00 1.55 0.69 0.07 80.62