---> uname -a: Linux prd-centos8-docker-8c-8g-11991.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: 2799.996 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 1007 28270 19 2610 30428 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:94:f0:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.17/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe94:f09b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:26:a2:91:3e 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) 07/25/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 136.20 1.95 134.26 306.03 10539.70 05:20:01 AM 201.17 1.98 199.18 612.20 12236.74 05:21:01 AM 74.19 2.53 71.66 463.85 5938.09 Average: 137.19 2.15 135.03 460.69 9571.51 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28596384 30490968 4056980 12.42 2688 2210456 2264360 6.72 160052 3431084 217336 05:20:01 AM 27419452 29516220 5233912 16.03 2688 2405332 2854904 8.47 218588 4511404 85620 05:21:01 AM 28946112 31154820 3707252 11.35 2688 2513392 1456140 4.32 245044 2951828 58892 Average: 28320649 30387336 4332715 13.27 2688 2376393 2191801 6.50 207895 3631439 120616 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 170.71 135.25 1793.55 45.73 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 257.70 211.00 2352.75 44.11 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 208.68 172.84 811.80 141.22 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 212.36 173.03 1652.70 77.02 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) 07/25/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 12.09 0.00 1.08 0.36 0.05 86.41 05:19:01 AM 0 8.17 0.00 0.43 0.12 0.05 91.23 05:19:01 AM 1 11.63 0.00 1.61 0.75 0.07 85.95 05:19:01 AM 2 21.70 0.00 1.39 0.63 0.07 76.21 05:19:01 AM 3 7.50 0.00 0.49 0.05 0.05 91.91 05:19:01 AM 4 13.22 0.00 1.10 0.47 0.05 85.16 05:19:01 AM 5 21.17 0.00 1.97 0.58 0.05 76.22 05:19:01 AM 6 5.46 0.00 0.68 0.12 0.03 93.71 05:19:01 AM 7 7.90 0.00 0.97 0.15 0.05 90.93 05:20:01 AM all 36.66 0.00 1.68 0.56 0.10 60.99 05:20:01 AM 0 39.28 0.00 1.27 0.10 0.12 59.24 05:20:01 AM 1 26.82 0.00 1.49 0.45 0.10 71.14 05:20:01 AM 2 35.00 0.00 2.31 1.10 0.10 61.48 05:20:01 AM 3 48.20 0.00 1.25 0.25 0.12 50.18 05:20:01 AM 4 31.43 0.00 2.08 0.52 0.08 65.89 05:20:01 AM 5 48.60 0.00 1.64 0.60 0.10 49.06 05:20:01 AM 6 34.71 0.00 1.69 0.74 0.10 62.77 05:20:01 AM 7 29.20 0.00 1.76 0.72 0.10 68.22 05:21:01 AM all 34.23 0.00 1.57 0.19 0.09 63.92 05:21:01 AM 0 35.37 0.00 1.25 0.17 0.08 63.13 05:21:01 AM 1 37.60 0.00 1.47 0.22 0.10 60.62 05:21:01 AM 2 29.75 0.00 1.67 0.33 0.08 68.16 05:21:01 AM 3 30.27 0.00 1.64 0.12 0.08 67.89 05:21:01 AM 4 34.86 0.00 1.72 0.37 0.10 62.95 05:21:01 AM 5 34.36 0.00 1.98 0.22 0.10 63.35 05:21:01 AM 6 42.52 0.00 1.39 0.05 0.10 55.94 05:21:01 AM 7 29.11 0.00 1.47 0.02 0.08 69.31 Average: all 27.66 0.00 1.45 0.37 0.08 70.45 Average: 0 27.61 0.00 0.99 0.13 0.08 71.20 Average: 1 25.35 0.00 1.52 0.47 0.09 72.56 Average: 2 28.82 0.00 1.79 0.69 0.08 68.62 Average: 3 28.67 0.00 1.13 0.14 0.08 69.98 Average: 4 26.49 0.00 1.63 0.45 0.08 71.34 Average: 5 34.71 0.00 1.86 0.47 0.08 62.88 Average: 6 27.55 0.00 1.25 0.30 0.08 70.82 Average: 7 22.07 0.00 1.40 0.30 0.08 76.16