---> uname -a: Linux prd-centos8-docker-8c-8g-12677.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: 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: 31888 1014 28269 19 2604 30422 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:1f:ff:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.163/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe1f:ff4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:5a:45:2a 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) 08/15/2026 _x86_64_ (8 CPU) 05:18:13 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 165.49 2.57 162.93 347.88 14452.85 05:21:01 AM 175.59 2.55 173.04 941.42 8972.69 05:22:01 AM 69.82 1.43 68.39 119.85 6188.10 Average: 136.97 2.18 134.79 469.74 9871.42 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 29101024 31021964 3552348 10.88 2688 2235340 2009276 5.96 167608 2907948 130532 05:21:01 AM 27281628 29434064 5371744 16.45 2688 2459396 2938152 8.72 230580 4633708 112588 05:22:01 AM 28920284 31125964 3733088 11.43 2688 2510428 1458480 4.33 424804 2800332 29016 Average: 28434312 30527331 4219060 12.92 2688 2401721 2135303 6.34 274331 3447329 90712 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 191.44 157.38 1773.39 45.72 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 259.41 233.17 2372.10 45.83 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 235.49 190.88 379.62 188.11 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 228.78 193.81 1508.43 93.22 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) 08/15/2026 _x86_64_ (8 CPU) 05:18:13 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 14.35 0.00 1.31 0.66 0.06 83.63 05:20:01 AM 0 17.76 0.00 1.02 0.55 0.07 80.60 05:20:01 AM 1 9.35 0.00 1.40 1.17 0.07 88.01 05:20:01 AM 2 25.48 0.00 2.99 0.97 0.07 70.49 05:20:01 AM 3 18.89 0.00 1.44 0.67 0.07 78.93 05:20:01 AM 4 4.80 0.00 1.09 0.43 0.05 93.63 05:20:01 AM 5 7.69 0.00 1.02 1.12 0.03 90.13 05:20:01 AM 6 15.82 0.00 0.77 0.33 0.05 83.03 05:20:01 AM 7 14.94 0.00 0.72 0.05 0.05 84.24 05:21:01 AM all 41.79 0.00 1.42 0.87 0.10 55.82 05:21:01 AM 0 39.75 0.00 1.40 1.00 0.10 57.74 05:21:01 AM 1 43.32 0.00 1.44 0.77 0.10 54.37 05:21:01 AM 2 35.77 0.00 1.40 0.85 0.08 61.90 05:21:01 AM 3 47.41 0.00 1.30 1.54 0.10 49.65 05:21:01 AM 4 32.83 0.00 1.81 0.33 0.10 64.93 05:21:01 AM 5 35.58 0.00 0.97 1.64 0.08 61.72 05:21:01 AM 6 48.37 0.00 1.70 0.52 0.10 49.31 05:21:01 AM 7 51.29 0.00 1.35 0.30 0.10 46.96 05:22:01 AM all 24.82 0.00 1.42 0.27 0.08 73.41 05:22:01 AM 0 24.84 0.00 1.35 0.47 0.08 73.26 05:22:01 AM 1 22.86 0.00 1.80 0.13 0.08 75.12 05:22:01 AM 2 14.06 0.00 1.09 0.02 0.07 84.77 05:22:01 AM 3 22.02 0.00 1.02 0.47 0.08 76.41 05:22:01 AM 4 22.88 0.00 1.57 0.40 0.05 75.10 05:22:01 AM 5 19.27 0.00 1.42 0.50 0.08 78.73 05:22:01 AM 6 31.85 0.00 1.25 0.00 0.08 66.82 05:22:01 AM 7 40.79 0.00 1.85 0.13 0.10 57.12 Average: all 26.99 0.00 1.38 0.60 0.08 70.95 Average: 0 27.45 0.00 1.26 0.67 0.08 70.53 Average: 1 25.19 0.00 1.55 0.69 0.08 72.49 Average: 2 25.11 0.00 1.83 0.61 0.07 72.38 Average: 3 29.44 0.00 1.25 0.89 0.08 68.33 Average: 4 20.17 0.00 1.49 0.39 0.07 77.89 Average: 5 20.85 0.00 1.14 1.09 0.07 76.86 Average: 6 32.02 0.00 1.24 0.28 0.08 66.38 Average: 7 35.68 0.00 1.31 0.16 0.08 62.77