---> uname -a: Linux prd-centos8-docker-8c-8g-19332.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 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1036 27381 19 3472 30397 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:38:b3:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.62/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe38:b3e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:96:5d:06:16 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::42:96ff:fe5d:616/64 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) 12/10/2025 _x86_64_ (8 CPU) 17:11:23 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 112.70 8.31 104.38 2484.11 7229.74 05:14:01 PM 405.00 16.91 388.09 2775.47 15147.38 05:15:01 PM 227.31 2.22 225.10 401.93 37136.91 Average: 248.34 9.15 239.19 1887.25 19837.05 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29507248 31293800 3148456 9.64 2688 2106396 1380868 4.10 146636 2562220 230988 05:14:01 PM 28113544 30346008 4542160 13.91 2688 2543280 2065548 6.13 252500 3799576 248200 05:15:01 PM 25841420 28852080 6814284 20.87 2688 3311128 3668052 10.88 553884 5720696 36 Average: 27820737 30163963 4834967 14.81 2688 2653601 2371489 7.04 317673 4027497 159741 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 111.03 79.29 1319.30 30.40 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 449.37 390.30 5589.20 55.14 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 378.72 304.68 6087.85 36.52 0.00 0.00 0.00 0.00 05:15:01 PM docker0 5.62 12.30 0.45 243.61 0.00 0.00 0.00 0.00 05:15:01 PM vethb2f4878 0.00 0.03 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 313.04 258.09 4332.02 40.69 0.00 0.00 0.00 0.00 Average: docker0 1.87 4.10 0.15 81.19 0.00 0.00 0.00 0.00 Average: vethb2f4878 0.00 0.01 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) 12/10/2025 _x86_64_ (8 CPU) 17:11:23 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 9.89 0.00 1.04 0.46 0.05 88.56 05:13:01 PM 0 15.30 0.00 1.57 0.15 0.05 82.93 05:13:01 PM 1 1.79 0.00 0.59 0.13 0.07 97.42 05:13:01 PM 2 9.92 0.00 1.07 0.67 0.07 88.28 05:13:01 PM 3 8.38 0.00 0.75 0.28 0.02 90.57 05:13:01 PM 4 30.69 0.00 2.67 0.48 0.07 66.09 05:13:01 PM 5 1.87 0.00 0.43 1.59 0.05 96.06 05:13:01 PM 6 1.72 0.00 0.35 0.03 0.05 97.85 05:13:01 PM 7 9.39 0.00 0.88 0.37 0.03 89.32 05:14:01 PM all 22.70 0.00 1.46 1.15 0.08 74.61 05:14:01 PM 0 18.34 0.00 1.35 1.55 0.07 78.68 05:14:01 PM 1 18.90 0.00 1.81 1.24 0.08 77.97 05:14:01 PM 2 32.19 0.00 2.11 2.11 0.08 63.51 05:14:01 PM 3 13.64 0.00 1.22 0.25 0.08 84.81 05:14:01 PM 4 33.56 0.00 1.94 1.52 0.10 62.87 05:14:01 PM 5 19.30 0.00 1.19 0.89 0.07 78.56 05:14:01 PM 6 32.13 0.00 0.82 0.20 0.10 66.75 05:14:01 PM 7 13.50 0.00 1.24 1.42 0.08 83.75 05:15:01 PM all 19.25 0.00 2.27 1.27 0.08 77.12 05:15:01 PM 0 24.40 0.00 1.61 1.17 0.08 72.73 05:15:01 PM 1 18.17 0.00 2.15 1.16 0.08 78.43 05:15:01 PM 2 21.43 0.00 2.62 0.66 0.08 75.21 05:15:01 PM 3 13.48 0.00 2.32 2.44 0.08 81.68 05:15:01 PM 4 17.16 0.00 2.57 1.09 0.08 79.10 05:15:01 PM 5 17.73 0.00 2.67 0.94 0.08 78.57 05:15:01 PM 6 17.47 0.00 1.64 0.37 0.08 80.43 05:15:01 PM 7 24.14 0.00 2.59 2.37 0.08 70.83 Average: all 17.27 0.00 1.59 0.96 0.07 80.11 Average: 0 19.34 0.00 1.51 0.96 0.07 78.12 Average: 1 12.94 0.00 1.51 0.84 0.08 84.62 Average: 2 21.17 0.00 1.93 1.15 0.08 75.67 Average: 3 11.83 0.00 1.43 0.99 0.06 85.69 Average: 4 27.15 0.00 2.39 1.03 0.08 69.34 Average: 5 12.95 0.00 1.43 1.14 0.07 84.42 Average: 6 17.10 0.00 0.94 0.20 0.08 81.69 Average: 7 15.66 0.00 1.57 1.38 0.07 81.32