---> uname -a: Linux prd-centos8-docker-8c-8g-4931.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1808 25504 19 4578 29616 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:9f:8e:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.232/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fe9f:8eec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:01:23:c6:f4 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::42:1ff:fe23:c6f4/64 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) 04/22/2026 _x86_64_ (8 CPU) 14:34:59 LINUX RESTART (8 CPU) 02:36:01 PM tps rtps wtps bread/s bwrtn/s 02:37:01 PM 257.69 17.30 240.39 3837.49 23494.47 02:38:01 PM 141.45 15.89 125.56 1458.18 37669.43 02:39:01 PM 250.63 5.08 245.55 4584.61 25741.89 Average: 216.59 12.76 203.83 3293.40 28968.90 02:36:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:37:01 PM 28101928 30587100 4553784 13.94 2688 2798700 1912876 5.68 208028 3867280 252328 02:38:01 PM 25751664 29126404 6904048 21.14 2688 3670396 4307820 12.78 450072 5898700 1596 02:39:01 PM 26191032 30396256 6464680 19.80 2688 4496560 2050820 6.08 754208 5149288 1712 Average: 26681541 30036587 5974171 18.29 2688 3655219 2757172 8.18 470769 4971756 85212 02:36:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:37:01 PM eth0 577.32 383.29 10214.07 53.68 0.00 0.00 0.00 0.00 02:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:38:01 PM eth0 1319.69 350.53 7174.74 29.58 0.00 0.00 0.00 0.00 02:38:01 PM docker0 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 02:38:01 PM veth2aee5a9 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 02:39:01 PM lo 12.53 12.53 1.33 1.33 0.00 0.00 0.00 0.00 02:39:01 PM eth0 359.31 259.75 2067.07 86.68 0.00 0.00 0.00 0.00 02:39:01 PM docker0 4.77 5.73 0.64 0.67 0.00 0.00 0.00 0.00 Average: lo 4.18 4.18 0.44 0.44 0.00 0.00 0.00 0.00 Average: eth0 752.12 331.19 6485.09 56.64 0.00 0.00 0.00 0.00 Average: docker0 1.59 1.95 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) 04/22/2026 _x86_64_ (8 CPU) 14:34:59 LINUX RESTART (8 CPU) 02:36:01 PM CPU %user %nice %system %iowait %steal %idle 02:37:01 PM all 15.80 0.00 1.25 5.98 0.07 76.91 02:37:01 PM 0 21.26 0.00 1.87 20.99 0.08 55.80 02:37:01 PM 1 12.02 0.00 1.14 3.04 0.07 83.73 02:37:01 PM 2 20.91 0.00 1.09 9.33 0.07 68.61 02:37:01 PM 3 17.11 0.00 0.85 1.10 0.07 80.87 02:37:01 PM 4 14.48 0.00 1.17 7.55 0.05 76.75 02:37:01 PM 5 6.80 0.00 0.94 4.93 0.08 87.25 02:37:01 PM 6 17.72 0.00 0.74 0.23 0.07 81.25 02:37:01 PM 7 16.06 0.00 2.17 0.67 0.07 81.03 02:38:01 PM all 27.13 0.24 2.37 2.32 0.09 67.85 02:38:01 PM 0 32.00 0.00 1.41 0.02 0.08 66.49 02:38:01 PM 1 36.76 0.00 2.61 6.32 0.10 54.21 02:38:01 PM 2 27.54 0.00 3.42 6.65 0.08 62.30 02:38:01 PM 3 41.34 0.00 2.81 1.33 0.08 54.44 02:38:01 PM 4 30.91 1.81 2.44 1.23 0.10 63.51 02:38:01 PM 5 10.55 0.02 2.33 0.30 0.08 86.72 02:38:01 PM 6 20.92 0.07 1.93 0.22 0.08 76.77 02:38:01 PM 7 17.08 0.00 1.99 2.56 0.07 78.31 02:39:01 PM all 28.44 0.10 2.45 1.08 0.08 67.85 02:39:01 PM 0 19.80 0.02 2.08 0.17 0.08 77.85 02:39:01 PM 1 36.75 0.00 1.81 0.20 0.08 61.16 02:39:01 PM 2 28.40 0.02 2.16 0.13 0.08 69.21 02:39:01 PM 3 31.56 0.00 2.55 0.35 0.08 65.45 02:39:01 PM 4 27.21 0.64 2.47 4.90 0.08 64.71 02:39:01 PM 5 16.31 0.02 2.60 0.08 0.08 80.91 02:39:01 PM 6 39.75 0.05 2.83 0.07 0.08 57.22 02:39:01 PM 7 27.70 0.03 3.14 2.75 0.08 66.30 Average: all 23.78 0.11 2.02 3.13 0.08 70.88 Average: 0 24.35 0.01 1.79 7.07 0.08 66.70 Average: 1 28.49 0.00 1.85 3.18 0.08 66.40 Average: 2 25.61 0.01 2.22 5.37 0.08 66.71 Average: 3 29.98 0.00 2.07 0.93 0.08 66.95 Average: 4 24.18 0.82 2.02 4.56 0.08 68.34 Average: 5 11.21 0.01 1.95 1.78 0.08 84.96 Average: 6 26.12 0.04 1.83 0.17 0.08 71.75 Average: 7 20.28 0.01 2.43 1.99 0.07 75.22