---> uname -a: Linux prd-centos8-docker-8c-8g-1504.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 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1048 27083 19 3758 30378 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:7b:eb:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.60/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe7b:eba9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:13:0f:99:a6 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::42:13ff:fe0f:99a6/64 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) 05/20/2026 _x86_64_ (8 CPU) 03:37:25 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 206.06 14.53 191.54 3119.76 12237.20 03:40:01 AM 421.53 5.51 416.01 1231.06 14203.63 03:41:01 AM 276.48 3.12 273.36 455.64 46129.30 Average: 301.36 7.72 293.64 1602.09 24191.26 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28871296 30832748 3784416 11.59 2688 2278068 1837000 5.45 165532 3151252 169132 03:40:01 AM 27847400 30218224 4808312 14.72 2688 2678348 2246788 6.67 395036 3908012 218032 03:41:01 AM 27760736 31131084 4894976 14.99 2688 3663852 1493228 4.43 655996 3684444 134144 Average: 28159811 30727352 4495901 13.77 2688 2873423 1859005 5.52 405521 3581236 173769 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 220.31 176.66 2609.98 46.38 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 456.75 387.69 5694.41 54.56 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 697.03 572.08 7136.48 1374.44 0.00 0.00 0.00 0.00 03:41:01 AM docker0 22.37 34.07 1.20 309.28 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 458.04 378.82 5147.07 491.84 0.00 0.00 0.00 0.00 Average: docker0 7.46 11.36 0.40 103.10 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) 05/20/2026 _x86_64_ (8 CPU) 03:37:25 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 12.21 0.00 1.33 0.58 0.06 85.83 03:39:01 AM 0 14.34 0.00 0.72 0.05 0.10 84.79 03:39:01 AM 1 12.10 0.00 1.82 0.82 0.07 85.19 03:39:01 AM 2 13.16 0.00 2.12 0.97 0.05 83.70 03:39:01 AM 3 15.60 0.00 1.72 0.62 0.07 81.99 03:39:01 AM 4 8.42 0.00 1.07 0.70 0.05 89.76 03:39:01 AM 5 8.00 0.00 0.83 0.55 0.03 90.58 03:39:01 AM 6 16.91 0.00 1.79 0.77 0.07 80.47 03:39:01 AM 7 9.11 0.00 0.57 0.13 0.05 90.14 03:40:01 AM all 29.33 0.00 1.81 0.92 0.09 67.85 03:40:01 AM 0 31.00 0.00 1.85 2.00 0.08 65.08 03:40:01 AM 1 21.65 0.00 1.69 0.87 0.10 75.68 03:40:01 AM 2 31.68 0.00 2.10 1.29 0.10 64.83 03:40:01 AM 3 42.57 0.00 2.21 0.89 0.08 54.25 03:40:01 AM 4 26.49 0.00 1.54 0.27 0.08 71.62 03:40:01 AM 5 28.99 0.00 1.64 0.79 0.10 68.48 03:40:01 AM 6 19.24 0.00 1.88 0.82 0.08 77.98 03:40:01 AM 7 33.00 0.00 1.61 0.44 0.08 64.87 03:41:01 AM all 16.89 0.00 3.46 0.84 0.09 78.72 03:41:01 AM 0 13.49 0.00 3.39 0.37 0.10 82.65 03:41:01 AM 1 17.35 0.00 3.28 0.72 0.08 78.56 03:41:01 AM 2 13.16 0.00 3.74 1.41 0.08 81.60 03:41:01 AM 3 17.43 0.00 3.79 1.35 0.08 77.35 03:41:01 AM 4 12.48 0.00 3.65 1.14 0.10 82.62 03:41:01 AM 5 20.34 0.00 3.87 0.87 0.10 74.81 03:41:01 AM 6 20.12 0.00 3.13 0.45 0.08 76.21 03:41:01 AM 7 20.74 0.00 2.82 0.44 0.08 75.92 Average: all 19.47 0.00 2.20 0.78 0.08 77.47 Average: 0 19.60 0.00 1.98 0.80 0.09 77.52 Average: 1 17.03 0.00 2.26 0.80 0.08 79.82 Average: 2 19.33 0.00 2.65 1.22 0.08 76.71 Average: 3 25.21 0.00 2.57 0.95 0.08 71.20 Average: 4 15.79 0.00 2.08 0.70 0.08 81.34 Average: 5 19.09 0.00 2.11 0.74 0.08 77.98 Average: 6 18.75 0.00 2.26 0.68 0.08 78.22 Average: 7 20.94 0.00 1.66 0.34 0.07 76.99