---> uname -a: Linux prd-centos8-docker-8c-8g-8182.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 1075 27133 19 3681 30354 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:a4:38:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.226/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fea4:38d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6d:64:2e:95 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::42:6dff:fe64:2e95/64 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) 05/04/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 234.82 14.58 220.24 3226.39 14430.77 05:14:01 PM 513.93 6.37 507.57 1207.00 13347.26 05:15:01 PM 192.95 3.45 189.50 539.42 41321.84 Average: 313.89 8.13 305.76 1657.63 23033.83 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29041456 31035388 3614256 11.07 2688 2308460 1798972 5.34 196292 2943556 91872 05:14:01 PM 27735908 30250128 4919804 15.07 2688 2818616 2146784 6.37 405984 3996244 299264 05:15:01 PM 27786888 31083532 4868824 14.91 2688 3592380 1516772 4.50 819324 3504348 165448 Average: 28188084 30789683 4467628 13.68 2688 2906485 1820843 5.40 473867 3481383 185528 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 243.92 204.20 2324.43 55.42 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 618.90 499.05 7517.78 63.44 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 436.54 403.00 4072.39 2382.62 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.83 15.01 0.51 258.07 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 433.11 368.74 4638.04 833.87 0.00 0.00 0.00 0.00 Average: docker0 2.28 5.00 0.17 86.03 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) 05/04/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 13.31 0.00 1.23 0.68 0.06 84.71 05:13:01 PM 0 11.42 0.00 1.14 0.22 0.07 87.16 05:13:01 PM 1 8.25 0.00 1.62 1.36 0.08 88.69 05:13:01 PM 2 5.22 0.00 1.04 0.60 0.07 93.07 05:13:01 PM 3 20.05 0.00 1.97 0.65 0.07 77.26 05:13:01 PM 4 5.77 0.00 0.77 0.75 0.05 92.66 05:13:01 PM 5 19.03 0.00 1.47 0.43 0.05 79.01 05:13:01 PM 6 20.63 0.00 0.87 0.55 0.07 77.88 05:13:01 PM 7 16.10 0.00 1.00 0.87 0.05 81.98 05:14:01 PM all 27.27 0.00 1.79 1.07 0.09 69.78 05:14:01 PM 0 29.96 0.00 1.09 0.25 0.08 68.61 05:14:01 PM 1 27.51 0.00 1.96 0.52 0.08 69.92 05:14:01 PM 2 20.56 0.00 1.58 0.62 0.08 77.16 05:14:01 PM 3 34.20 0.00 2.62 3.46 0.08 59.64 05:14:01 PM 4 23.78 0.00 1.99 0.94 0.10 73.19 05:14:01 PM 5 18.04 0.00 1.69 1.07 0.08 79.11 05:14:01 PM 6 34.63 0.00 1.54 0.57 0.10 63.16 05:14:01 PM 7 29.46 0.00 1.82 1.14 0.10 67.48 05:15:01 PM all 17.08 0.00 2.59 0.71 0.07 79.55 05:15:01 PM 0 15.74 0.00 2.26 0.30 0.08 81.61 05:15:01 PM 1 25.91 0.00 2.40 1.19 0.07 70.44 05:15:01 PM 2 10.80 0.00 2.89 1.28 0.08 84.95 05:15:01 PM 3 14.35 0.00 3.05 0.05 0.07 82.48 05:15:01 PM 4 10.29 0.00 2.17 0.77 0.07 86.70 05:15:01 PM 5 9.75 0.00 2.43 0.74 0.07 87.00 05:15:01 PM 6 25.47 0.00 2.28 0.29 0.07 71.89 05:15:01 PM 7 24.28 0.00 3.27 1.04 0.08 71.33 Average: all 19.22 0.00 1.87 0.82 0.08 78.02 Average: 0 19.04 0.00 1.49 0.26 0.08 79.13 Average: 1 20.56 0.00 1.99 1.02 0.08 76.35 Average: 2 12.19 0.00 1.83 0.83 0.08 85.07 Average: 3 22.87 0.00 2.55 1.39 0.07 73.13 Average: 4 13.27 0.00 1.64 0.82 0.07 84.19 Average: 5 15.62 0.00 1.86 0.75 0.07 81.70 Average: 6 26.91 0.00 1.56 0.47 0.08 70.98 Average: 7 23.28 0.00 2.03 1.02 0.08 73.60