---> uname -a: Linux prd-centos8-docker-8c-8g-2932.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 998 28377 19 2514 30442 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:2d:c6:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.108/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe2d:c648/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:72:65:51:53 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/02/2026 _x86_64_ (8 CPU) 05:17:59 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 152.38 2.87 149.52 365.34 13309.80 05:21:01 AM 156.13 2.50 153.63 940.35 5265.33 05:22:01 AM 74.08 2.67 71.41 99.43 6273.19 Average: 127.53 2.68 124.85 468.38 8282.77 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28752032 30586360 3903680 11.95 2688 2151300 2269688 6.73 166556 3268184 35624 05:21:01 AM 27240076 29303696 5415636 16.58 2688 2373088 3498032 10.38 229720 4686920 112180 05:22:01 AM 29019632 31133592 3636080 11.13 2688 2420704 1495960 4.44 416080 2720760 27872 Average: 28337247 30341216 4318465 13.22 2688 2315031 2421227 7.18 270785 3558621 58559 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 171.44 147.32 1406.75 48.23 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 215.89 188.07 2335.97 36.27 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 160.83 158.56 347.00 170.32 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 182.72 164.65 1363.24 84.94 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 04/02/2026 _x86_64_ (8 CPU) 05:17:59 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 15.48 0.00 1.33 0.64 0.08 82.47 05:20:01 AM 0 15.14 0.00 0.90 0.07 0.08 83.80 05:20:01 AM 1 14.95 0.00 1.25 1.15 0.08 82.56 05:20:01 AM 2 14.09 0.00 2.09 1.15 0.10 82.56 05:20:01 AM 3 10.18 0.00 1.00 0.43 0.08 88.30 05:20:01 AM 4 17.17 0.00 1.85 0.82 0.07 80.09 05:20:01 AM 5 8.12 0.00 0.65 0.15 0.10 90.97 05:20:01 AM 6 30.13 0.00 1.59 0.70 0.08 67.50 05:20:01 AM 7 14.06 0.00 1.29 0.62 0.05 83.99 05:21:01 AM all 41.92 0.00 1.66 0.43 0.12 55.88 05:21:01 AM 0 41.34 0.00 2.11 0.72 0.12 55.72 05:21:01 AM 1 27.37 0.00 1.49 0.38 0.13 70.63 05:21:01 AM 2 68.54 0.00 1.80 0.12 0.12 29.42 05:21:01 AM 3 44.99 0.00 1.52 0.47 0.12 52.90 05:21:01 AM 4 36.21 0.00 1.91 0.75 0.12 61.02 05:21:01 AM 5 38.38 0.00 1.76 0.10 0.12 59.65 05:21:01 AM 6 42.50 0.00 1.54 0.57 0.12 55.27 05:21:01 AM 7 35.98 0.00 1.14 0.35 0.10 62.43 05:22:01 AM all 26.43 0.00 1.64 0.23 0.10 71.60 05:22:01 AM 0 31.88 0.00 1.52 0.03 0.10 66.46 05:22:01 AM 1 27.65 0.00 1.80 0.18 0.10 70.26 05:22:01 AM 2 41.82 0.00 2.47 0.22 0.10 55.39 05:22:01 AM 3 22.28 0.00 1.44 0.03 0.10 76.15 05:22:01 AM 4 19.90 0.00 1.34 0.50 0.08 78.18 05:22:01 AM 5 21.76 0.00 2.06 0.54 0.10 75.55 05:22:01 AM 6 23.06 0.00 1.26 0.22 0.08 75.38 05:22:01 AM 7 23.11 0.00 1.20 0.13 0.10 75.46 Average: all 27.95 0.00 1.54 0.43 0.10 69.98 Average: 0 29.45 0.00 1.51 0.27 0.10 68.66 Average: 1 23.32 0.00 1.52 0.57 0.11 74.48 Average: 2 41.50 0.00 2.12 0.50 0.11 55.78 Average: 3 25.82 0.00 1.32 0.31 0.10 72.45 Average: 4 24.43 0.00 1.70 0.69 0.09 73.09 Average: 5 22.76 0.00 1.49 0.26 0.11 75.38 Average: 6 31.90 0.00 1.46 0.50 0.09 66.05 Average: 7 24.38 0.00 1.21 0.37 0.08 73.96