---> uname -a: Linux prd-centos8-docker-8c-8g-7508.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 1075 26450 19 4363 30348 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:a2:a8:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.176/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fea2:a886/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ec:ff:52:f0 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:ecff:feff:52f0/64 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) 05/02/2026 _x86_64_ (8 CPU) 02:29:03 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 268.53 16.73 251.80 3302.37 14585.52 02:32:01 AM 182.71 4.42 178.29 1498.70 40610.23 02:33:01 AM 101.25 17.11 84.14 5147.88 25153.50 Average: 184.16 12.75 171.41 3316.32 26783.08 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28617076 30798844 4038636 12.37 2688 2495960 1841340 5.46 196692 3365448 280036 02:32:01 AM 26136032 29249140 6519680 19.96 2688 3409304 5006888 14.86 381104 5583576 224 02:33:01 AM 27114628 31104732 5541084 16.97 2688 4279920 1494696 4.43 883536 4099064 7492 Average: 27289245 30384239 5366467 16.43 2688 3395061 2780975 8.25 487111 4349363 95917 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 410.80 322.84 5451.88 56.19 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1566.86 525.51 7819.82 47.44 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 02:32:01 AM veth9ae6c0a 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 02:33:01 AM lo 12.05 12.05 1.27 1.27 0.00 0.00 0.00 0.00 02:33:01 AM eth0 154.10 158.28 1394.77 1260.07 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.30 5.35 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 4.02 4.02 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 710.59 335.54 4888.82 454.57 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.81 0.20 0.21 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) 05/02/2026 _x86_64_ (8 CPU) 02:29:03 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 14.86 0.00 1.61 1.52 0.07 81.94 02:31:01 AM 0 12.05 0.00 1.42 0.98 0.07 85.48 02:31:01 AM 1 16.86 0.00 1.39 1.54 0.08 80.13 02:31:01 AM 2 13.07 0.00 1.84 0.67 0.07 84.35 02:31:01 AM 3 8.48 0.00 1.59 3.38 0.05 86.50 02:31:01 AM 4 23.28 0.00 1.89 2.36 0.08 72.39 02:31:01 AM 5 12.21 0.00 0.75 0.82 0.07 86.15 02:31:01 AM 6 16.50 0.00 1.97 1.02 0.07 80.44 02:31:01 AM 7 16.42 0.00 2.04 1.42 0.07 80.05 02:32:01 AM all 29.18 0.00 2.58 1.75 0.08 66.41 02:32:01 AM 0 41.76 0.00 2.81 0.50 0.10 54.83 02:32:01 AM 1 27.67 0.00 3.26 1.95 0.10 67.01 02:32:01 AM 2 22.08 0.00 2.79 2.42 0.08 72.62 02:32:01 AM 3 34.24 0.00 2.59 0.82 0.08 62.26 02:32:01 AM 4 29.52 0.00 2.25 0.67 0.08 67.47 02:32:01 AM 5 20.75 0.00 2.92 4.18 0.08 72.07 02:32:01 AM 6 18.70 0.00 2.26 2.40 0.07 76.57 02:32:01 AM 7 38.77 0.00 1.72 1.05 0.07 58.39 02:33:01 AM all 21.16 0.28 2.40 1.16 0.07 74.93 02:33:01 AM 0 21.73 0.03 2.26 0.27 0.07 75.64 02:33:01 AM 1 16.85 0.67 2.61 2.28 0.08 77.51 02:33:01 AM 2 21.97 0.00 2.66 1.59 0.07 73.71 02:33:01 AM 3 20.70 0.07 2.00 0.12 0.07 77.05 02:33:01 AM 4 23.43 0.02 2.90 0.50 0.08 73.06 02:33:01 AM 5 20.01 0.02 2.18 0.87 0.07 76.85 02:33:01 AM 6 21.61 1.46 2.24 3.50 0.07 71.12 02:33:01 AM 7 22.94 0.00 2.34 0.15 0.07 74.50 Average: all 21.72 0.09 2.19 1.48 0.07 74.44 Average: 0 25.15 0.01 2.16 0.59 0.08 72.02 Average: 1 20.45 0.22 2.42 1.92 0.09 74.90 Average: 2 19.03 0.00 2.43 1.56 0.07 76.90 Average: 3 21.12 0.02 2.06 1.44 0.07 75.29 Average: 4 25.41 0.01 2.35 1.18 0.08 70.97 Average: 5 17.65 0.01 1.95 1.95 0.07 78.37 Average: 6 18.94 0.49 2.16 2.30 0.07 76.05 Average: 7 26.01 0.00 2.04 0.87 0.07 71.02