---> uname -a: Linux prd-centos8-docker-8c-8g-20108.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1020 28272 19 2597 30424 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:f6:5c:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.150/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86193sec preferred_lft 86193sec inet6 fe80::f816:3eff:fef6:5c16/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6e:e2:5e:3c 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/25/2026 _x86_64_ (8 CPU) 15:18:03 LINUX RESTART (8 CPU) 03:19:01 PM tps rtps wtps bread/s bwrtn/s 03:20:01 PM 96.87 5.93 90.94 895.03 6539.24 03:21:02 PM 275.49 17.39 258.10 3632.26 12814.96 Average: 186.18 11.66 174.52 2263.65 9677.10 03:19:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:01 PM 29544704 31226604 3111008 9.53 2688 2005844 1439168 4.27 149204 2533624 177308 03:21:02 PM 28938208 31132060 3717504 11.38 2688 2505412 1489764 4.42 390272 2842232 277816 Average: 29241456 31179332 3414256 10.46 2688 2255628 1464466 4.35 269738 2687928 227562 03:19:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 PM eth0 97.97 69.29 1092.49 19.01 0.00 0.00 0.00 0.00 03:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:02 PM eth0 462.40 363.66 5336.38 49.93 0.00 0.00 0.00 0.00 03:21:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 280.18 216.48 3214.44 34.47 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 02/25/2026 _x86_64_ (8 CPU) 15:18:03 LINUX RESTART (8 CPU) 03:19:01 PM CPU %user %nice %system %iowait %steal %idle 03:20:01 PM all 7.40 0.00 0.74 1.25 0.04 90.58 03:20:01 PM 0 8.72 0.00 0.72 0.95 0.05 89.56 03:20:01 PM 1 0.84 0.00 0.43 1.52 0.07 97.14 03:20:01 PM 2 7.58 0.00 0.47 0.97 0.03 90.95 03:20:01 PM 3 18.09 0.00 1.60 1.15 0.05 79.10 03:20:01 PM 4 8.65 0.00 0.95 2.29 0.03 88.08 03:20:01 PM 5 2.76 0.00 0.45 1.22 0.03 95.54 03:20:01 PM 6 4.67 0.00 0.57 0.50 0.03 94.23 03:20:01 PM 7 7.85 0.00 0.70 1.37 0.02 90.06 03:21:02 PM all 17.97 0.00 1.40 2.14 0.08 78.42 03:21:02 PM 0 12.70 0.00 1.20 2.56 0.07 83.48 03:21:02 PM 1 17.52 0.00 1.97 4.03 0.07 76.41 03:21:02 PM 2 11.98 0.00 1.42 2.11 0.08 84.41 03:21:02 PM 3 22.99 0.00 1.79 0.45 0.08 74.68 03:21:02 PM 4 18.04 0.00 1.72 4.69 0.08 75.46 03:21:02 PM 5 17.40 0.00 1.09 1.27 0.12 80.12 03:21:02 PM 6 15.63 0.00 0.89 0.90 0.07 82.51 03:21:02 PM 7 27.47 0.00 1.12 1.09 0.07 70.26 Average: all 12.68 0.00 1.07 1.69 0.06 84.51 Average: 0 10.71 0.00 0.96 1.75 0.06 86.52 Average: 1 9.17 0.00 1.20 2.78 0.07 86.78 Average: 2 9.78 0.00 0.95 1.54 0.06 87.68 Average: 3 20.54 0.00 1.70 0.80 0.07 76.89 Average: 4 13.34 0.00 1.34 3.49 0.06 81.78 Average: 5 10.08 0.00 0.77 1.24 0.08 87.83 Average: 6 10.14 0.00 0.73 0.70 0.05 88.38 Average: 7 17.65 0.00 0.91 1.23 0.04 80.18