---> uname -a: Linux prd-centos8-docker-8c-8g-10040.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1008 28361 19 2520 30432 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:55:c1:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.208/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fe55:c179/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d9:74:85:1c 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) 05/13/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 198.42 2.91 195.51 370.59 14873.99 05:20:01 AM 131.37 2.52 128.86 950.75 5520.59 05:21:01 AM 81.52 2.80 78.72 129.56 6532.09 Average: 136.76 2.74 134.02 484.26 8942.62 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28494936 30362852 4160776 12.74 2688 2183300 2764660 8.20 168136 3515864 73336 05:20:01 AM 27381516 29449468 5274196 16.15 2688 2377444 3010888 8.93 229704 4546104 112472 05:21:01 AM 29043672 31163444 3612040 11.06 2688 2426816 1447080 4.29 416612 2697472 26288 Average: 28306708 30325255 4349004 13.32 2688 2329187 2407543 7.14 271484 3586480 70699 05:18:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 245.65 210.27 2357.36 60.87 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 172.23 149.38 1910.59 28.79 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 186.50 179.74 360.68 178.91 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 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 201.21 179.63 1538.33 89.68 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) 05/13/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 18.58 0.00 1.67 0.51 0.07 79.17 05:19:01 AM 0 33.93 0.00 2.11 0.44 0.10 63.41 05:19:01 AM 1 14.65 0.00 1.45 0.37 0.12 83.40 05:19:01 AM 2 29.91 0.00 3.35 0.63 0.07 66.04 05:19:01 AM 3 19.65 0.00 1.38 0.29 0.05 78.63 05:19:01 AM 4 10.26 0.00 1.39 0.32 0.05 87.97 05:19:01 AM 5 19.06 0.00 1.38 0.46 0.07 79.03 05:19:01 AM 6 9.38 0.00 1.43 1.36 0.05 87.78 05:19:01 AM 7 11.80 0.00 0.92 0.17 0.07 87.05 05:20:01 AM all 39.48 0.00 1.40 0.28 0.08 58.75 05:20:01 AM 0 37.36 0.00 1.85 0.30 0.08 60.40 05:20:01 AM 1 51.94 0.00 1.25 0.13 0.07 46.61 05:20:01 AM 2 34.61 0.00 1.37 0.42 0.10 63.50 05:20:01 AM 3 33.93 0.00 1.19 0.27 0.08 64.53 05:20:01 AM 4 48.40 0.00 1.85 0.35 0.07 49.32 05:20:01 AM 5 31.95 0.00 1.45 0.45 0.08 66.06 05:20:01 AM 6 41.60 0.00 1.29 0.27 0.07 56.78 05:20:01 AM 7 36.06 0.00 0.97 0.08 0.07 62.82 05:21:01 AM all 25.34 0.00 1.48 0.15 0.07 72.97 05:21:01 AM 0 22.63 0.00 1.64 0.13 0.08 75.52 05:21:01 AM 1 23.39 0.00 1.57 0.18 0.08 74.77 05:21:01 AM 2 25.02 0.00 1.66 0.50 0.08 72.74 05:21:01 AM 3 26.05 0.00 1.25 0.10 0.05 72.54 05:21:01 AM 4 33.16 0.00 1.85 0.20 0.07 64.72 05:21:01 AM 5 28.30 0.00 1.17 0.03 0.07 70.43 05:21:01 AM 6 21.23 0.00 1.39 0.02 0.08 77.28 05:21:01 AM 7 22.90 0.00 1.29 0.03 0.05 75.73 Average: all 27.85 0.00 1.52 0.31 0.07 70.24 Average: 0 31.29 0.00 1.86 0.29 0.09 66.46 Average: 1 30.10 0.00 1.42 0.23 0.09 68.16 Average: 2 29.85 0.00 2.12 0.52 0.08 67.43 Average: 3 26.59 0.00 1.27 0.22 0.06 71.86 Average: 4 30.72 0.00 1.70 0.29 0.06 67.22 Average: 5 26.48 0.00 1.33 0.31 0.07 71.80 Average: 6 24.15 0.00 1.37 0.54 0.07 73.87 Average: 7 23.65 0.00 1.06 0.10 0.06 75.13