---> uname -a: Linux prd-centos8-docker-8c-8g-348.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 1042 26494 19 4353 30381 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:34:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.87/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe9f:341e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:28:1d:eb:85 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::42:28ff:fe1d:eb85/64 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) 03/29/2026 _x86_64_ (8 CPU) 02:28:24 LINUX RESTART (8 CPU) 02:29:02 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 216.62 17.16 199.46 3362.66 12092.54 02:31:01 AM 186.51 4.00 182.51 1124.37 17269.22 02:32:01 AM 137.25 15.08 122.18 5489.24 28746.38 Average: 179.92 12.05 167.87 3325.09 19409.90 02:29:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29051176 31000100 3604528 11.04 2688 2266048 1803688 5.35 190644 2948700 172032 02:31:01 AM 27184048 29895644 5471656 16.76 2688 3020868 2540892 7.54 308980 4662600 429996 02:32:01 AM 27141372 31111112 5514332 16.89 2688 4260620 1480008 4.39 746656 4206288 716236 Average: 27792199 30668952 4863505 14.89 2688 3182512 1941529 5.76 415427 3939196 439421 02:29:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 220.74 169.33 2592.25 44.48 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 1568.18 573.96 10878.90 56.20 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 11.81 11.81 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 207.18 116.59 1860.42 23.82 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.30 5.36 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.96 3.96 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 667.90 287.30 5124.91 41.48 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.80 0.21 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) 03/29/2026 _x86_64_ (8 CPU) 02:28:24 LINUX RESTART (8 CPU) 02:29:02 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.77 0.00 1.36 0.59 0.06 84.22 02:30:01 AM 0 7.26 0.00 0.92 0.44 0.08 91.30 02:30:01 AM 1 16.41 0.00 1.90 0.32 0.07 81.29 02:30:01 AM 2 8.86 0.00 1.02 0.63 0.10 89.39 02:30:01 AM 3 15.43 0.00 1.58 0.37 0.05 82.57 02:30:01 AM 4 20.48 0.00 1.39 0.17 0.05 77.90 02:30:01 AM 5 17.28 0.00 1.46 0.70 0.05 80.51 02:30:01 AM 6 11.92 0.00 1.51 1.32 0.05 85.19 02:30:01 AM 7 12.48 0.00 1.12 0.73 0.05 85.62 02:31:01 AM all 28.36 0.00 1.57 0.56 0.07 69.44 02:31:01 AM 0 41.20 0.00 1.81 0.28 0.08 56.63 02:31:01 AM 1 45.36 0.00 1.16 0.20 0.08 53.19 02:31:01 AM 2 20.71 0.00 1.43 0.45 0.07 77.34 02:31:01 AM 3 36.22 0.00 2.33 0.77 0.07 60.60 02:31:01 AM 4 19.67 0.00 1.83 1.07 0.08 77.34 02:31:01 AM 5 13.47 0.00 1.22 0.55 0.07 84.68 02:31:01 AM 6 32.74 0.00 1.32 0.28 0.07 65.59 02:31:01 AM 7 17.45 0.00 1.48 0.82 0.07 80.18 02:32:01 AM all 22.76 0.32 3.67 0.71 0.09 72.45 02:32:01 AM 0 25.46 0.02 3.93 0.12 0.10 70.37 02:32:01 AM 1 20.34 0.03 3.38 0.74 0.07 75.44 02:32:01 AM 2 25.64 0.00 3.74 0.94 0.08 69.59 02:32:01 AM 3 27.45 0.00 3.74 1.14 0.08 67.59 02:32:01 AM 4 21.85 1.98 3.94 0.64 0.10 71.49 02:32:01 AM 5 24.32 0.03 3.30 1.06 0.10 71.18 02:32:01 AM 6 16.87 0.03 3.20 0.76 0.08 79.05 02:32:01 AM 7 20.13 0.49 4.16 0.29 0.08 74.85 Average: all 21.66 0.11 2.20 0.62 0.08 75.33 Average: 0 24.72 0.01 2.22 0.28 0.09 72.68 Average: 1 27.43 0.01 2.15 0.42 0.07 69.92 Average: 2 18.44 0.00 2.07 0.68 0.08 78.73 Average: 3 26.41 0.00 2.55 0.76 0.07 70.20 Average: 4 20.67 0.66 2.39 0.63 0.08 75.57 Average: 5 18.35 0.01 2.00 0.77 0.07 78.80 Average: 6 20.56 0.01 2.01 0.79 0.07 76.56 Average: 7 16.70 0.16 2.25 0.61 0.07 80.20