---> uname -a: Linux prd-centos8-docker-8c-8g-2985.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: 2799.974 BogoMIPS: 5599.94 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 2014 25033 19 4840 29405 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:e1:8f:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.230/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fee1:8f2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e8:42:50:8b 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:e8ff:fe42:508b/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) 11:22:04 LINUX RESTART (8 CPU) 11:23:01 AM tps rtps wtps bread/s bwrtn/s 11:24:01 AM 260.51 16.81 243.70 3292.37 14701.20 11:25:01 AM 168.11 4.50 163.61 1527.09 56935.45 11:26:01 AM 227.24 17.06 210.18 5072.26 9424.42 Average: 218.62 12.79 205.83 3297.34 27019.38 11:23:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:24:01 AM 28024332 30719212 4629040 14.18 2688 3006432 1851640 5.49 192004 3948828 788088 11:25:01 AM 25980608 29603824 6672764 20.44 2688 3916856 3104484 9.21 336776 5772860 288 11:26:01 AM 25868884 30410712 6784488 20.78 2688 4830180 2027804 6.02 811912 5397600 522972 Average: 26624608 30244583 6028764 18.46 2688 3917823 2327976 6.91 446897 5039763 437116 11:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 AM eth0 651.97 416.38 12936.07 59.93 0.00 0.00 0.00 0.00 11:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:25:01 AM eth0 1727.76 488.10 7800.93 41.80 0.00 0.00 0.00 0.00 11:25:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 11:25:01 AM veth9a57d01 0.00 0.20 0.00 0.02 0.00 0.00 0.00 0.00 11:26:01 AM lo 12.78 12.78 1.35 1.35 0.00 0.00 0.00 0.00 11:26:01 AM eth0 384.66 270.55 2086.47 102.43 0.00 0.00 0.00 0.00 11:26:01 AM docker0 4.78 5.83 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.26 4.26 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 921.43 391.67 7607.52 68.05 0.00 0.00 0.00 0.00 Average: docker0 1.59 1.97 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) 11:22:04 LINUX RESTART (8 CPU) 11:23:01 AM CPU %user %nice %system %iowait %steal %idle 11:24:01 AM all 12.79 0.00 1.35 1.85 0.07 83.95 11:24:01 AM 0 9.97 0.00 0.88 0.82 0.08 88.24 11:24:01 AM 1 17.32 0.00 2.24 4.18 0.08 76.17 11:24:01 AM 2 16.58 0.00 1.42 0.67 0.07 81.26 11:24:01 AM 3 5.54 0.00 1.34 1.68 0.08 91.36 11:24:01 AM 4 20.22 0.00 0.83 0.60 0.05 78.29 11:24:01 AM 5 9.88 0.00 1.29 4.87 0.07 83.89 11:24:01 AM 6 16.36 0.00 2.00 1.87 0.05 79.71 11:24:01 AM 7 6.39 0.00 0.77 0.08 0.05 92.70 11:25:01 AM all 31.12 0.00 2.16 1.64 0.08 64.99 11:25:01 AM 0 32.88 0.00 1.42 0.50 0.08 65.11 11:25:01 AM 1 33.96 0.00 2.00 3.77 0.08 60.19 11:25:01 AM 2 23.10 0.00 2.16 0.94 0.08 73.72 11:25:01 AM 3 21.32 0.00 1.86 5.09 0.08 71.64 11:25:01 AM 4 21.39 0.00 2.22 0.34 0.08 75.96 11:25:01 AM 5 29.66 0.00 1.93 0.99 0.08 67.33 11:25:01 AM 6 45.88 0.00 2.96 0.56 0.08 50.52 11:25:01 AM 7 40.79 0.00 2.75 0.94 0.08 55.43 11:26:01 AM all 29.63 0.28 2.47 0.64 0.08 66.91 11:26:01 AM 0 27.40 0.05 2.33 1.51 0.08 68.63 11:26:01 AM 1 29.41 0.02 3.37 0.67 0.08 66.45 11:26:01 AM 2 37.75 0.02 2.23 0.03 0.08 59.89 11:26:01 AM 3 41.23 0.00 2.29 0.08 0.08 56.31 11:26:01 AM 4 26.63 0.00 2.92 0.23 0.08 70.13 11:26:01 AM 5 20.91 0.65 1.99 0.27 0.08 76.09 11:26:01 AM 6 25.47 0.05 2.48 1.99 0.07 69.94 11:26:01 AM 7 28.22 1.43 2.13 0.32 0.07 67.84 Average: all 24.50 0.09 1.99 1.38 0.08 71.97 Average: 0 23.39 0.02 1.54 0.94 0.08 74.02 Average: 1 26.88 0.01 2.54 2.87 0.08 67.62 Average: 2 25.81 0.01 1.93 0.55 0.08 71.62 Average: 3 22.71 0.00 1.83 2.28 0.08 73.09 Average: 4 22.75 0.00 1.99 0.39 0.07 74.80 Average: 5 20.14 0.22 1.74 2.05 0.08 75.79 Average: 6 29.20 0.02 2.48 1.47 0.07 66.76 Average: 7 25.09 0.48 1.88 0.45 0.07 72.04