---> uname -a: Linux prd-centos8-docker-8c-8g-9116.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: 2799.996 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 1069 26416 19 4404 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:6c:2c:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.64/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fe6c:2c55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:90:7d:b1:86 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::42:90ff:fe7d:b186/64 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) 05/09/2026 _x86_64_ (8 CPU) 07:30:59 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 303.62 17.51 286.10 3854.56 14952.44 07:34:01 AM 149.35 15.66 133.69 1467.78 39435.64 07:35:01 AM 321.68 5.25 316.43 4672.58 28098.27 Average: 258.21 12.81 245.40 3331.61 27496.15 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28115600 30398908 4540112 13.90 2688 2594780 2648856 7.86 223728 3827448 332180 07:34:01 AM 26099484 29239132 6556228 20.08 2688 3433520 5253996 15.59 465032 5526576 204 07:35:01 AM 27076212 31109112 5579500 17.09 2688 4320796 1502680 4.46 899608 4111236 24236 Average: 27097099 30249051 5558613 17.02 2688 3449699 3135177 9.30 529456 4488420 118873 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 584.60 441.88 6647.90 66.18 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 4.02 4.02 0.44 0.44 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1375.81 358.71 6636.68 32.41 0.00 0.00 0.00 0.00 07:34:01 AM docker0 1.60 2.13 0.21 0.24 0.00 0.00 0.00 0.00 07:34:01 AM veth1c7e282 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:35:01 AM lo 8.78 8.78 0.91 0.91 0.00 0.00 0.00 0.00 07:35:01 AM eth0 173.99 168.94 1721.83 1265.86 0.00 0.00 0.00 0.00 07:35:01 AM docker0 3.22 3.83 0.44 0.45 0.00 0.00 0.00 0.00 Average: lo 4.27 4.27 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 711.47 323.17 5002.05 454.84 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.99 0.22 0.23 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) 05/09/2026 _x86_64_ (8 CPU) 07:30:59 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 20.35 0.00 1.61 0.99 0.10 76.94 07:33:01 AM 0 23.27 0.00 2.31 1.51 0.13 72.78 07:33:01 AM 1 21.96 0.00 1.69 1.82 0.12 74.41 07:33:01 AM 2 21.62 0.00 1.61 1.24 0.10 75.44 07:33:01 AM 3 26.69 0.00 2.06 0.87 0.10 70.28 07:33:01 AM 4 13.42 0.00 1.58 0.62 0.08 84.30 07:33:01 AM 5 16.57 0.00 1.09 0.18 0.10 82.06 07:33:01 AM 6 23.14 0.00 1.30 0.89 0.10 74.57 07:33:01 AM 7 16.13 0.00 1.27 0.82 0.07 81.71 07:34:01 AM all 28.86 0.23 2.86 0.78 0.10 67.17 07:34:01 AM 0 15.04 0.02 2.35 0.39 0.08 82.12 07:34:01 AM 1 35.72 0.00 3.32 1.28 0.10 59.58 07:34:01 AM 2 22.55 0.03 3.28 1.23 0.10 72.81 07:34:01 AM 3 25.50 0.02 3.09 0.71 0.12 70.57 07:34:01 AM 4 37.05 1.77 2.86 0.30 0.10 57.92 07:34:01 AM 5 30.75 0.00 2.30 1.11 0.10 65.74 07:34:01 AM 6 37.02 0.02 2.95 0.03 0.10 59.88 07:34:01 AM 7 27.26 0.02 2.70 1.19 0.08 68.75 07:35:01 AM all 19.01 0.33 2.26 1.24 0.07 77.09 07:35:01 AM 0 14.22 0.05 1.56 0.64 0.08 83.46 07:35:01 AM 1 19.43 0.07 2.43 0.39 0.07 77.62 07:35:01 AM 2 32.68 0.03 3.69 3.02 0.10 60.48 07:35:01 AM 3 16.28 2.16 1.71 2.09 0.07 77.70 07:35:01 AM 4 11.76 0.32 2.51 0.30 0.07 85.04 07:35:01 AM 5 19.93 0.00 2.18 0.38 0.05 77.46 07:35:01 AM 6 19.62 0.02 2.03 1.31 0.07 76.97 07:35:01 AM 7 18.22 0.00 2.01 1.77 0.07 77.93 Average: all 22.73 0.19 2.24 1.00 0.09 73.75 Average: 0 17.51 0.02 2.07 0.84 0.10 79.45 Average: 1 25.68 0.02 2.48 1.16 0.10 70.56 Average: 2 25.62 0.02 2.86 1.83 0.10 69.57 Average: 3 22.81 0.73 2.28 1.22 0.10 72.86 Average: 4 20.72 0.69 2.31 0.41 0.08 75.78 Average: 5 22.40 0.00 1.85 0.56 0.08 75.10 Average: 6 26.57 0.01 2.09 0.74 0.09 70.49 Average: 7 20.53 0.01 1.99 1.26 0.07 76.14