---> uname -a: Linux prd-centos8-docker-8c-8g-12233.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 1009 28276 19 2601 30426 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:9a:50:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.223/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fe9a:502b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1e:8e:b3:2f 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) 06/16/2026 _x86_64_ (8 CPU) 05:17:30 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 128.10 1.85 126.25 319.68 9353.47 05:20:01 AM 179.41 2.37 177.04 640.32 11736.52 05:21:01 AM 105.35 1.63 103.72 393.87 7489.47 Average: 137.62 1.95 135.67 451.30 9526.50 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29376620 31253420 3276752 10.03 2688 2194036 1380768 4.10 149052 2670012 242212 05:20:01 AM 27827924 29857184 4825448 14.78 2688 2339236 2634472 7.82 210156 4119464 78100 05:21:01 AM 28972792 31162648 3680580 11.27 2688 2494992 1442472 4.28 241648 2928108 48856 Average: 28725779 30757751 3927593 12.03 2688 2342755 1819237 5.40 200285 3239195 123056 05:18:01 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 149.33 102.43 1777.84 29.98 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 234.14 219.31 1677.32 47.56 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 189.49 157.68 1556.97 39.24 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 190.99 159.81 1670.71 38.93 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) 06/16/2026 _x86_64_ (8 CPU) 05:17:30 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 9.15 0.00 0.94 0.42 0.04 89.46 05:19:01 AM 0 2.69 0.00 0.50 1.39 0.05 95.37 05:19:01 AM 1 24.18 0.00 1.82 0.60 0.05 73.34 05:19:01 AM 2 11.66 0.00 1.50 0.30 0.02 86.52 05:19:01 AM 3 7.54 0.00 1.13 0.38 0.03 90.90 05:19:01 AM 4 1.60 0.00 0.30 0.12 0.03 97.95 05:19:01 AM 5 14.70 0.00 1.29 0.05 0.05 83.92 05:19:01 AM 6 2.67 0.00 0.28 0.03 0.02 97.00 05:19:01 AM 7 8.15 0.00 0.67 0.45 0.05 90.68 05:20:01 AM all 31.90 0.00 1.48 0.66 0.10 65.86 05:20:01 AM 0 29.85 0.00 1.62 0.40 0.10 68.03 05:20:01 AM 1 24.75 0.00 2.19 0.95 0.12 71.99 05:20:01 AM 2 28.63 0.00 1.84 1.15 0.10 68.28 05:20:01 AM 3 30.80 0.00 1.36 1.00 0.10 66.74 05:20:01 AM 4 35.94 0.00 1.57 0.45 0.10 61.94 05:20:01 AM 5 39.46 0.00 0.80 0.12 0.10 59.52 05:20:01 AM 6 26.03 0.00 1.24 0.95 0.08 71.69 05:20:01 AM 7 39.72 0.00 1.21 0.28 0.10 58.69 05:21:01 AM all 39.01 0.00 1.67 0.26 0.10 58.96 05:21:01 AM 0 40.18 0.00 1.91 0.05 0.10 57.77 05:21:01 AM 1 31.00 0.00 1.82 0.52 0.10 66.56 05:21:01 AM 2 40.34 0.00 1.59 0.23 0.10 57.74 05:21:01 AM 3 35.80 0.00 2.14 0.60 0.10 61.36 05:21:01 AM 4 49.65 0.00 1.97 0.15 0.10 48.13 05:21:01 AM 5 40.43 0.00 1.22 0.03 0.08 58.24 05:21:01 AM 6 27.54 0.00 1.29 0.13 0.08 70.96 05:21:01 AM 7 47.13 0.00 1.45 0.37 0.10 50.94 Average: all 26.68 0.00 1.36 0.45 0.08 71.43 Average: 0 24.23 0.00 1.34 0.61 0.08 73.72 Average: 1 26.64 0.00 1.95 0.69 0.09 70.63 Average: 2 26.86 0.00 1.64 0.56 0.07 70.86 Average: 3 24.71 0.00 1.54 0.66 0.08 73.01 Average: 4 29.06 0.00 1.28 0.24 0.08 69.34 Average: 5 31.53 0.00 1.10 0.07 0.08 67.23 Average: 6 18.74 0.00 0.94 0.37 0.06 79.89 Average: 7 31.66 0.00 1.11 0.37 0.08 66.78