---> uname -a: Linux prd-centos8-docker-8c-8g-527.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 1061 27268 19 3560 30369 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:0e:2b:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.103/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe0e:2b1a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0e:0b:1f:da 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:eff:fe0b:1fda/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) 12/21/2025 _x86_64_ (8 CPU) 03:37:28 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 171.18 14.63 156.55 3102.30 9463.60 03:40:01 AM 376.32 5.55 370.77 1231.93 13519.55 03:41:01 AM 257.70 3.12 254.59 466.97 44843.59 Average: 268.39 7.76 260.63 1600.36 22610.65 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29176508 31027760 3479204 10.65 2688 2168928 1794264 5.32 155512 2865632 147128 03:40:01 AM 27778724 30014884 4876988 14.93 2688 2546312 2360016 7.00 378352 4004060 187180 03:41:01 AM 26616608 29782380 6039104 18.49 2688 3462108 2539844 7.54 633800 4858936 66720 Average: 27857280 30275008 4798432 14.69 2688 2725783 2231375 6.62 389221 3909543 133676 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 134.79 113.86 1472.60 37.39 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 420.50 356.61 5370.48 48.39 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 593.87 471.95 7085.18 1362.70 0.00 0.00 0.00 0.00 03:41:01 AM docker0 21.26 33.28 1.15 309.98 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 383.06 314.15 4642.85 482.90 0.00 0.00 0.00 0.00 Average: docker0 7.09 11.10 0.38 103.34 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) 12/21/2025 _x86_64_ (8 CPU) 03:37:28 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 11.50 0.00 1.10 0.53 0.06 86.82 03:39:01 AM 0 12.25 0.00 1.19 0.45 0.07 86.05 03:39:01 AM 1 18.30 0.00 1.97 1.37 0.07 78.29 03:39:01 AM 2 4.28 0.00 0.67 0.57 0.07 94.42 03:39:01 AM 3 18.37 0.00 1.19 0.73 0.07 79.64 03:39:01 AM 4 5.01 0.00 0.48 0.25 0.05 94.21 03:39:01 AM 5 10.70 0.00 1.25 0.13 0.05 87.86 03:39:01 AM 6 17.67 0.00 1.35 0.45 0.03 80.49 03:39:01 AM 7 5.38 0.00 0.67 0.32 0.05 93.59 03:40:01 AM all 28.00 0.00 1.81 1.06 0.09 69.05 03:40:01 AM 0 30.77 0.00 1.79 0.94 0.12 66.38 03:40:01 AM 1 22.48 0.00 2.00 1.39 0.10 74.03 03:40:01 AM 2 30.63 0.00 2.28 2.20 0.08 64.81 03:40:01 AM 3 47.37 0.00 1.63 0.45 0.07 50.49 03:40:01 AM 4 26.62 0.00 1.76 0.44 0.08 71.10 03:40:01 AM 5 29.36 0.00 1.56 0.97 0.10 68.01 03:40:01 AM 6 16.64 0.00 2.01 1.76 0.08 79.50 03:40:01 AM 7 20.09 0.00 1.46 0.30 0.07 78.08 03:41:01 AM all 16.16 0.00 3.31 1.09 0.09 79.35 03:41:01 AM 0 9.32 0.00 2.99 0.05 0.08 87.55 03:41:01 AM 1 18.87 0.00 4.28 1.63 0.10 75.11 03:41:01 AM 2 14.52 0.00 3.79 1.38 0.08 80.23 03:41:01 AM 3 21.71 0.00 3.84 2.84 0.10 71.51 03:41:01 AM 4 18.83 0.00 2.91 0.27 0.08 77.90 03:41:01 AM 5 13.53 0.00 2.92 0.54 0.08 82.92 03:41:01 AM 6 17.10 0.00 2.94 1.70 0.08 78.18 03:41:01 AM 7 15.41 0.00 2.81 0.30 0.08 81.40 Average: all 18.55 0.00 2.07 0.89 0.08 78.42 Average: 0 17.46 0.00 1.99 0.48 0.09 79.99 Average: 1 19.88 0.00 2.75 1.46 0.09 75.81 Average: 2 16.47 0.00 2.24 1.38 0.08 79.83 Average: 3 29.15 0.00 2.21 1.34 0.08 67.22 Average: 4 16.80 0.00 1.71 0.32 0.07 81.09 Average: 5 17.86 0.00 1.91 0.55 0.08 79.61 Average: 6 17.14 0.00 2.10 1.30 0.07 79.39 Average: 7 13.61 0.00 1.64 0.31 0.07 84.37