---> uname -a: Linux prd-centos8-docker-8c-8g-1256.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 27204 19 3610 30355 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:a4:88:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.125/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fea4:8824/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:e8:f9:56 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::42:46ff:fee8:f956/64 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) 03/11/2026 _x86_64_ (8 CPU) 17:11:19 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 236.25 14.45 221.81 3198.00 11348.58 05:14:01 PM 472.09 6.42 465.67 1208.07 16746.39 05:15:01 PM 176.77 2.68 174.09 438.25 39925.41 Average: 295.03 7.85 287.18 1614.80 22673.79 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29016924 30945544 3638788 11.14 2688 2243636 1831096 5.43 190632 2976660 160060 05:14:01 PM 27670956 30144220 4984756 15.26 2688 2777796 2267384 6.73 407344 4059076 284216 05:15:01 PM 27867196 31091856 4788516 14.66 2688 3521248 1526064 4.53 812688 3436956 161444 Average: 28185025 30727207 4470687 13.69 2688 2847560 1874848 5.56 470221 3490897 201907 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 244.77 205.95 2541.97 52.75 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 667.09 546.26 7909.19 68.74 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 384.59 360.21 3657.30 2376.41 0.00 0.00 0.00 0.00 05:15:01 PM docker0 8.33 18.96 0.59 257.41 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 432.14 370.80 4702.64 832.67 0.00 0.00 0.00 0.00 Average: docker0 2.78 6.32 0.20 85.81 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) 03/11/2026 _x86_64_ (8 CPU) 17:11:19 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 14.73 0.00 1.32 0.65 0.06 83.23 05:13:01 PM 0 7.39 0.00 0.98 0.47 0.07 91.09 05:13:01 PM 1 18.97 0.00 1.39 0.55 0.08 79.00 05:13:01 PM 2 29.71 0.00 2.77 1.14 0.07 66.32 05:13:01 PM 3 12.71 0.00 1.24 0.57 0.05 85.44 05:13:01 PM 4 6.52 0.00 1.09 0.48 0.03 91.88 05:13:01 PM 5 12.35 0.00 1.27 0.74 0.10 85.54 05:13:01 PM 6 12.60 0.00 1.05 0.57 0.05 85.73 05:13:01 PM 7 17.62 0.00 0.77 0.70 0.05 80.86 05:14:01 PM all 28.78 0.00 1.91 1.12 0.09 68.10 05:14:01 PM 0 28.04 0.00 1.29 0.07 0.10 70.50 05:14:01 PM 1 35.99 0.00 1.75 1.73 0.10 60.44 05:14:01 PM 2 24.95 0.00 2.79 1.18 0.08 71.00 05:14:01 PM 3 27.10 0.00 1.71 0.55 0.08 70.56 05:14:01 PM 4 36.80 0.00 1.78 1.17 0.08 60.16 05:14:01 PM 5 23.54 0.00 1.93 1.12 0.07 73.34 05:14:01 PM 6 27.96 0.00 2.45 2.55 0.08 66.95 05:14:01 PM 7 25.84 0.00 1.60 0.62 0.08 71.86 05:15:01 PM all 17.26 0.00 2.91 0.69 0.07 79.07 05:15:01 PM 0 11.98 0.00 3.17 0.32 0.08 84.45 05:15:01 PM 1 28.40 0.00 3.62 1.69 0.07 66.21 05:15:01 PM 2 21.36 0.00 2.92 1.59 0.08 74.04 05:15:01 PM 3 10.89 0.00 3.12 0.79 0.07 85.13 05:15:01 PM 4 19.81 0.00 2.42 0.13 0.07 77.57 05:15:01 PM 5 7.75 0.00 2.45 0.22 0.07 89.51 05:15:01 PM 6 25.58 0.00 2.94 0.60 0.07 70.81 05:15:01 PM 7 12.28 0.00 2.64 0.15 0.05 84.88 Average: all 20.25 0.00 2.05 0.82 0.07 76.81 Average: 0 15.80 0.00 1.81 0.28 0.08 82.02 Average: 1 27.77 0.00 2.25 1.32 0.08 68.57 Average: 2 25.35 0.00 2.83 1.30 0.08 70.45 Average: 3 16.90 0.00 2.02 0.64 0.07 80.37 Average: 4 21.03 0.00 1.76 0.60 0.06 76.55 Average: 5 14.55 0.00 1.88 0.69 0.08 82.80 Average: 6 22.03 0.00 2.15 1.24 0.07 74.52 Average: 7 18.58 0.00 1.67 0.49 0.06 79.20