---> uname -a: Linux prd-centos8-docker-8c-8g-4459.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 31888 1008 28277 19 2601 30427 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:86:e6:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.211/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fe86:e60b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:10:af:c5:ff 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/02/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 145.89 1.98 143.91 311.54 10543.20 05:20:01 AM 204.90 3.38 201.52 1007.63 12858.94 05:21:01 AM 72.71 2.70 70.01 100.10 5867.83 Average: 141.14 2.69 138.45 474.03 9752.39 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28366512 30265636 4286860 13.13 2688 2214344 2679464 7.95 160332 3656480 228376 05:20:01 AM 27490396 29632156 5162976 15.81 2688 2448928 2878604 8.54 228536 4424748 109564 05:21:01 AM 28931008 31131468 3722364 11.40 2688 2504416 1486780 4.41 424024 2788164 42428 Average: 28262639 30343087 4390733 13.45 2688 2389229 2348283 6.97 270964 3623131 126789 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 225.62 178.44 2006.78 50.58 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 240.33 213.09 2590.58 39.56 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 167.21 166.03 355.87 172.24 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 210.97 185.90 1649.12 87.67 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/02/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 12.34 0.00 1.11 0.33 0.06 86.15 05:19:01 AM 0 9.06 0.00 0.39 0.32 0.07 90.15 05:19:01 AM 1 8.79 0.00 1.41 0.36 0.09 89.35 05:19:01 AM 2 9.18 0.00 1.39 0.51 0.08 88.84 05:19:01 AM 3 28.95 0.00 2.80 0.44 0.07 67.74 05:19:01 AM 4 14.87 0.00 0.76 0.17 0.03 84.17 05:19:01 AM 5 9.50 0.00 0.76 0.32 0.05 89.36 05:19:01 AM 6 12.93 0.00 0.85 0.27 0.07 85.88 05:19:01 AM 7 5.40 0.00 0.54 0.27 0.03 93.75 05:20:01 AM all 39.72 0.00 1.58 0.50 0.09 58.11 05:20:01 AM 0 38.31 0.00 1.70 0.28 0.10 59.60 05:20:01 AM 1 48.53 0.00 1.89 0.85 0.10 48.63 05:20:01 AM 2 43.04 0.00 1.52 0.84 0.08 54.52 05:20:01 AM 3 42.83 0.00 1.51 0.22 0.08 55.37 05:20:01 AM 4 35.08 0.00 1.20 0.48 0.10 63.13 05:20:01 AM 5 41.37 0.00 1.94 0.43 0.08 56.17 05:20:01 AM 6 32.43 0.00 1.22 0.40 0.08 65.87 05:20:01 AM 7 36.16 0.00 1.65 0.50 0.08 61.60 05:21:01 AM all 27.93 0.00 1.42 0.18 0.08 70.39 05:21:01 AM 0 35.01 0.00 1.67 0.40 0.08 62.83 05:21:01 AM 1 37.49 0.00 1.94 0.13 0.07 60.37 05:21:01 AM 2 30.84 0.00 1.82 0.22 0.08 67.04 05:21:01 AM 3 36.54 0.00 1.89 0.08 0.08 61.41 05:21:01 AM 4 21.92 0.00 1.12 0.20 0.08 76.68 05:21:01 AM 5 15.30 0.00 1.00 0.30 0.08 83.31 05:21:01 AM 6 23.46 0.00 1.07 0.12 0.08 75.27 05:21:01 AM 7 22.89 0.00 0.85 0.02 0.05 76.19 Average: all 26.74 0.00 1.37 0.34 0.08 71.47 Average: 0 27.56 0.00 1.26 0.34 0.08 70.76 Average: 1 31.75 0.00 1.75 0.45 0.08 65.97 Average: 2 27.78 0.00 1.58 0.52 0.08 70.03 Average: 3 36.14 0.00 2.06 0.25 0.08 61.47 Average: 4 24.00 0.00 1.03 0.29 0.07 74.61 Average: 5 22.13 0.00 1.24 0.35 0.07 76.21 Average: 6 22.99 0.00 1.05 0.26 0.08 75.62 Average: 7 21.57 0.00 1.02 0.26 0.06 77.09