---> uname -a: Linux prd-centos8-docker-8c-8g-8264.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 1059 27075 19 3755 30367 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:83:d9:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.131/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe83:d94c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3a:e4:a8:01 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::42:3aff:fee4:a801/64 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) 05/05/2026 _x86_64_ (8 CPU) 03:37:18 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 241.11 14.56 226.55 3222.93 13385.47 03:40:01 AM 422.82 4.81 418.01 1165.82 14791.64 03:41:01 AM 242.64 5.46 237.17 555.01 44227.27 Average: 302.20 8.28 293.92 1647.81 24134.87 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29061396 31047748 3594316 11.01 2688 2301564 1802808 5.35 195080 2926288 160596 03:40:01 AM 27728192 30104436 4927520 15.09 2688 2682428 2320732 6.89 396088 4019928 172872 03:41:01 AM 27726096 31095280 4929616 15.10 2688 3661952 1519016 4.51 656876 3716724 150444 Average: 28171895 30749155 4483817 13.73 2688 2881981 1880852 5.58 416015 3554313 161304 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 247.44 209.97 2911.15 52.20 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 397.38 342.71 5401.42 49.35 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 578.69 476.81 7065.25 1384.20 0.00 0.00 0.00 0.00 03:41:01 AM docker0 14.20 20.24 0.80 308.59 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 407.85 343.17 5126.08 495.25 0.00 0.00 0.00 0.00 Average: docker0 4.73 6.75 0.27 102.86 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) 05/05/2026 _x86_64_ (8 CPU) 03:37:18 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 13.69 0.00 1.29 0.71 0.06 84.24 03:39:01 AM 0 13.49 0.00 0.92 0.43 0.08 85.07 03:39:01 AM 1 15.01 0.00 1.62 1.07 0.07 82.23 03:39:01 AM 2 7.34 0.00 0.87 0.79 0.07 90.93 03:39:01 AM 3 18.97 0.00 1.99 0.58 0.07 78.39 03:39:01 AM 4 30.96 0.00 2.22 1.00 0.07 65.75 03:39:01 AM 5 7.23 0.00 1.14 0.89 0.05 90.70 03:39:01 AM 6 7.41 0.00 0.74 0.35 0.05 91.45 03:39:01 AM 7 9.05 0.00 0.85 0.59 0.07 89.44 03:40:01 AM all 26.19 0.00 1.58 0.92 0.09 71.23 03:40:01 AM 0 20.33 0.00 0.84 0.03 0.08 78.72 03:40:01 AM 1 35.53 0.00 1.41 0.74 0.08 62.25 03:40:01 AM 2 23.17 0.00 2.67 3.10 0.08 70.98 03:40:01 AM 3 30.24 0.00 1.16 0.45 0.08 68.07 03:40:01 AM 4 32.09 0.00 2.18 1.07 0.08 64.57 03:40:01 AM 5 29.46 0.00 1.59 0.55 0.08 68.31 03:40:01 AM 6 18.22 0.00 1.24 0.47 0.08 79.98 03:40:01 AM 7 20.43 0.00 1.54 0.97 0.10 76.96 03:41:01 AM all 16.87 0.00 3.23 0.77 0.08 79.06 03:41:01 AM 0 8.28 0.00 2.69 0.35 0.10 88.58 03:41:01 AM 1 12.82 0.00 3.24 0.74 0.07 83.13 03:41:01 AM 2 22.94 0.00 3.50 1.58 0.10 71.88 03:41:01 AM 3 21.41 0.00 3.15 1.61 0.07 73.75 03:41:01 AM 4 10.69 0.00 3.58 0.37 0.07 85.29 03:41:01 AM 5 19.60 0.00 2.81 0.24 0.08 77.27 03:41:01 AM 6 21.42 0.00 3.55 0.60 0.08 74.34 03:41:01 AM 7 17.81 0.00 3.29 0.64 0.07 78.20 Average: all 18.91 0.00 2.03 0.80 0.08 78.18 Average: 0 14.04 0.00 1.48 0.27 0.09 84.12 Average: 1 21.13 0.00 2.09 0.85 0.07 75.86 Average: 2 17.80 0.00 2.34 1.82 0.08 77.95 Average: 3 23.54 0.00 2.10 0.88 0.07 73.41 Average: 4 24.60 0.00 2.66 0.82 0.07 71.85 Average: 5 18.75 0.00 1.84 0.56 0.07 78.77 Average: 6 15.67 0.00 1.84 0.48 0.07 81.94 Average: 7 15.76 0.00 1.89 0.73 0.08 81.54