---> uname -a: Linux prd-centos8-docker-8c-8g-5858.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: 2799.934 BogoMIPS: 5599.86 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 1054 26480 19 4355 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:ac:e6:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.240/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:feac:e60d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:82:58:cf:dd 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::42:82ff:fe58:cfdd/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) 04/25/2026 _x86_64_ (8 CPU) 02:28:17 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 230.16 16.59 213.56 3198.13 12618.76 02:31:01 AM 182.37 4.05 178.32 1112.61 20527.20 02:32:01 AM 149.10 17.63 131.47 5662.91 48112.08 Average: 187.21 12.76 174.45 3324.68 27086.38 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 28998576 30956548 3657136 11.20 2688 2274192 1662348 4.93 193760 2986828 145900 02:31:01 AM 26801128 29889516 5854584 17.93 2688 3385476 2709940 8.04 322056 4988744 661260 02:32:01 AM 27129980 31119416 5525732 16.92 2688 4279532 1512892 4.49 882712 4080736 31508 Average: 27643228 30655160 5012484 15.35 2688 3313067 1961727 5.82 466176 4018769 279556 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 223.56 181.87 2467.11 46.33 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 1603.20 567.17 11275.46 53.99 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 11.80 11.80 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 197.45 172.49 1395.23 1261.64 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.32 5.38 0.62 0.62 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 674.68 307.16 5045.59 454.01 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.79 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) 04/25/2026 _x86_64_ (8 CPU) 02:28:17 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 14.31 0.00 1.42 0.65 0.06 83.56 02:30:01 AM 0 18.32 0.00 1.77 0.58 0.08 79.25 02:30:01 AM 1 19.69 0.00 1.99 0.65 0.08 77.58 02:30:01 AM 2 14.95 0.00 1.66 0.95 0.07 82.38 02:30:01 AM 3 8.04 0.00 1.15 0.79 0.05 89.97 02:30:01 AM 4 13.23 0.00 1.14 0.67 0.05 84.91 02:30:01 AM 5 12.42 0.00 0.78 0.33 0.07 86.39 02:30:01 AM 6 10.53 0.00 0.87 0.47 0.07 88.06 02:30:01 AM 7 17.32 0.00 1.99 0.73 0.05 79.91 02:31:01 AM all 28.04 0.00 2.25 0.50 0.09 69.13 02:31:01 AM 0 39.37 0.00 1.41 0.42 0.07 58.74 02:31:01 AM 1 42.21 0.00 2.39 0.35 0.08 54.97 02:31:01 AM 2 22.38 0.00 2.64 0.44 0.10 74.44 02:31:01 AM 3 9.52 0.00 2.22 0.39 0.08 87.79 02:31:01 AM 4 26.28 0.00 2.81 0.08 0.08 70.75 02:31:01 AM 5 26.74 0.00 2.07 1.01 0.10 70.08 02:31:01 AM 6 32.60 0.00 1.70 0.47 0.08 65.15 02:31:01 AM 7 25.15 0.00 2.74 0.82 0.08 71.20 02:32:01 AM all 21.03 0.26 2.46 0.80 0.07 75.38 02:32:01 AM 0 21.91 0.00 2.78 0.20 0.08 75.03 02:32:01 AM 1 18.74 0.39 3.00 1.64 0.07 76.16 02:32:01 AM 2 27.04 0.02 2.41 1.52 0.07 68.94 02:32:01 AM 3 19.40 0.03 2.33 0.80 0.07 77.37 02:32:01 AM 4 19.72 0.02 2.41 0.15 0.07 77.63 02:32:01 AM 5 21.38 0.02 2.18 1.06 0.07 75.30 02:32:01 AM 6 19.04 0.03 2.58 0.39 0.07 77.89 02:32:01 AM 7 21.02 1.59 1.96 0.62 0.10 74.72 Average: all 21.11 0.09 2.04 0.65 0.07 76.04 Average: 0 26.51 0.00 1.99 0.40 0.08 71.02 Average: 1 26.86 0.13 2.46 0.88 0.08 69.59 Average: 2 21.45 0.01 2.24 0.97 0.08 75.26 Average: 3 12.32 0.01 1.90 0.66 0.07 85.04 Average: 4 19.73 0.01 2.12 0.30 0.07 77.78 Average: 5 20.16 0.01 1.68 0.80 0.08 77.28 Average: 6 20.71 0.01 1.71 0.44 0.07 77.05 Average: 7 21.15 0.53 2.23 0.73 0.08 75.28