---> uname -a: Linux prd-centos8-docker-8c-8g-3044.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1070 26203 19 4614 30349 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:7c:f3:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.231/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe7c:f37d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:11:1f:65:91 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 inet6 fe80::42:11ff:fe1f:6591/64 scope link 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) 05/23/2026 _x86_64_ (8 CPU) 16:34:23 LINUX RESTART (8 CPU) 04:35:02 PM tps rtps wtps bread/s bwrtn/s 04:36:01 PM 226.49 16.83 209.66 3237.42 11401.24 04:37:01 PM 220.64 3.05 217.59 1438.19 47321.69 04:38:01 PM 206.26 17.13 189.14 6744.15 2354.42 Average: 217.75 12.31 205.44 3809.80 20409.65 04:35:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:36:01 PM 28929844 30952856 3723528 11.40 2688 2337004 1670928 4.96 163556 3085060 256828 04:37:01 PM 26432712 29595648 6220660 19.05 2688 3457388 3819776 11.33 298572 5361516 152 04:38:01 PM 26494700 30720732 6158672 18.86 2688 4515028 1825216 5.42 696016 4893568 852420 Average: 27285752 30423079 5367620 16.44 2688 3436473 2438640 7.24 386048 4446715 369800 04:35:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:36:01 PM eth0 214.54 171.51 2551.67 43.91 0.00 0.00 0.00 0.00 04:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:01 PM eth0 1784.41 589.80 11291.54 53.64 0.00 0.00 0.00 0.00 04:37:01 PM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 04:37:01 PM veth52d610a 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 04:38:01 PM lo 12.65 12.65 1.34 1.34 0.00 0.00 0.00 0.00 04:38:01 PM eth0 298.78 246.95 4762.98 35.38 0.00 0.00 0.00 0.00 04:38:01 PM docker0 4.77 5.85 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.24 4.24 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 769.02 337.02 6222.66 44.31 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.99 0.22 0.23 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) 05/23/2026 _x86_64_ (8 CPU) 16:34:23 LINUX RESTART (8 CPU) 04:35:02 PM CPU %user %nice %system %iowait %steal %idle 04:36:01 PM all 12.92 0.00 1.13 0.91 0.07 84.97 04:36:01 PM 0 11.13 0.00 1.09 1.10 0.08 86.60 04:36:01 PM 1 20.50 0.00 2.28 1.10 0.08 76.04 04:36:01 PM 2 9.93 0.00 1.19 1.17 0.07 87.64 04:36:01 PM 3 11.27 0.00 0.71 1.22 0.08 86.71 04:36:01 PM 4 14.34 0.00 1.43 1.07 0.05 83.11 04:36:01 PM 5 13.62 0.00 0.47 0.15 0.03 85.72 04:36:01 PM 6 11.89 0.00 1.14 0.73 0.05 86.19 04:36:01 PM 7 10.68 0.00 0.73 0.75 0.07 87.78 04:37:01 PM all 29.05 0.00 2.26 1.22 0.09 67.38 04:37:01 PM 0 26.82 0.00 1.83 1.83 0.08 69.43 04:37:01 PM 1 9.39 0.00 2.14 1.85 0.08 86.53 04:37:01 PM 2 46.68 0.00 1.90 1.04 0.10 50.27 04:37:01 PM 3 36.45 0.00 3.03 0.08 0.08 60.36 04:37:01 PM 4 11.94 0.00 1.63 2.40 0.08 83.94 04:37:01 PM 5 38.88 0.00 3.37 1.58 0.10 56.07 04:37:01 PM 6 33.97 0.00 2.27 0.54 0.10 63.12 04:37:01 PM 7 28.30 0.00 1.92 0.44 0.08 69.27 04:38:01 PM all 26.87 0.29 2.36 0.55 0.09 69.85 04:38:01 PM 0 33.15 0.15 1.96 0.05 0.10 64.59 04:38:01 PM 1 28.47 0.00 2.39 0.69 0.10 68.35 04:38:01 PM 2 27.01 0.00 1.99 0.30 0.07 70.63 04:38:01 PM 3 22.84 0.07 2.30 0.18 0.08 74.53 04:38:01 PM 4 24.96 0.08 2.61 0.84 0.08 71.43 04:38:01 PM 5 34.92 0.00 2.50 0.07 0.08 62.43 04:38:01 PM 6 15.72 2.00 2.89 2.08 0.08 77.22 04:38:01 PM 7 27.87 0.00 2.24 0.17 0.08 69.63 Average: all 22.99 0.10 1.92 0.89 0.08 74.02 Average: 0 23.76 0.05 1.63 0.99 0.09 73.48 Average: 1 19.47 0.00 2.27 1.21 0.09 76.96 Average: 2 27.93 0.00 1.70 0.84 0.08 69.46 Average: 3 23.56 0.02 2.02 0.49 0.08 73.82 Average: 4 17.10 0.03 1.89 1.44 0.07 79.47 Average: 5 29.19 0.00 2.12 0.60 0.07 68.02 Average: 6 20.55 0.67 2.10 1.12 0.08 75.47 Average: 7 22.33 0.00 1.63 0.45 0.08 75.50