---> uname -a: Linux prd-centos8-docker-8c-8g-4673.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1061 26343 19 4482 30356 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:c2:92:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.132/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86103sec preferred_lft 86103sec inet6 fe80::f816:3eff:fec2:9255/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ee:85:76:37 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:eeff:fe85:7637/64 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) 05/29/2026 _x86_64_ (8 CPU) 07:30:59 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:02 AM 235.93 16.66 219.26 3302.92 14516.95 07:34:01 AM 175.67 2.64 173.03 1062.83 16793.76 07:35:01 AM 274.63 16.58 258.05 5424.33 30794.69 Average: 229.04 12.01 217.02 3275.64 20723.97 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:02 AM 28919512 30971144 3733860 11.43 2688 2365028 1661076 4.93 195236 3061132 190420 07:34:01 AM 26957656 29755412 5695716 17.44 2688 3103292 2677976 7.95 274640 4906512 450280 07:35:01 AM 26132840 30126376 6520532 19.97 2688 4281304 2672292 7.93 682576 5259524 637404 Average: 27336669 30284311 5316703 16.28 2688 3249875 2337115 6.93 384151 4409056 426035 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:02 AM eth0 222.66 180.35 2360.33 47.14 0.00 0.00 0.00 0.00 07:33:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1647.53 599.86 10844.90 55.42 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM lo 12.85 12.85 1.35 1.35 0.00 0.00 0.00 0.00 07:35:01 AM eth0 312.85 161.30 2342.58 33.25 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.85 5.98 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.31 4.31 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 722.57 312.25 5151.14 45.21 0.00 0.00 0.00 0.00 Average: docker0 1.63 2.01 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) 05/29/2026 _x86_64_ (8 CPU) 07:30:59 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:02 AM all 15.08 0.00 1.46 0.68 0.06 82.72 07:33:02 AM 0 12.01 0.00 1.45 0.65 0.07 85.81 07:33:02 AM 1 31.41 0.00 2.67 0.65 0.07 65.20 07:33:02 AM 2 8.76 0.00 1.54 0.85 0.07 88.78 07:33:02 AM 3 15.58 0.00 1.12 0.78 0.07 82.45 07:33:02 AM 4 19.47 0.00 1.55 0.23 0.05 78.69 07:33:02 AM 5 7.97 0.00 1.12 0.70 0.07 90.14 07:33:02 AM 6 17.15 0.00 1.10 0.60 0.07 81.08 07:33:02 AM 7 8.25 0.00 1.10 0.95 0.05 89.65 07:34:01 AM all 29.69 0.00 1.47 0.57 0.10 68.18 07:34:01 AM 0 17.65 0.00 1.37 0.29 0.10 80.59 07:34:01 AM 1 13.11 0.00 1.28 1.20 0.12 84.29 07:34:01 AM 2 47.36 0.00 2.46 1.45 0.12 48.61 07:34:01 AM 3 38.60 0.00 1.12 0.14 0.09 60.05 07:34:01 AM 4 32.49 0.00 1.60 0.36 0.10 65.44 07:34:01 AM 5 45.78 0.00 1.04 0.37 0.10 52.71 07:34:01 AM 6 18.76 0.00 1.13 0.10 0.09 79.92 07:34:01 AM 7 23.70 0.00 1.73 0.62 0.10 73.86 07:35:01 AM all 24.71 0.59 3.18 0.97 0.09 70.47 07:35:01 AM 0 26.28 2.42 2.95 0.40 0.08 67.86 07:35:01 AM 1 24.06 0.42 2.82 1.43 0.08 71.19 07:35:01 AM 2 23.11 0.08 3.15 0.93 0.10 72.63 07:35:01 AM 3 23.80 0.07 3.25 1.40 0.08 71.39 07:35:01 AM 4 34.07 0.00 3.32 0.71 0.10 61.80 07:35:01 AM 5 26.94 1.60 4.30 1.82 0.10 65.23 07:35:01 AM 6 19.58 0.07 2.76 0.61 0.08 76.91 07:35:01 AM 7 19.80 0.05 2.87 0.44 0.08 76.76 Average: all 23.11 0.20 2.04 0.74 0.09 73.84 Average: 0 18.64 0.81 1.93 0.45 0.08 78.09 Average: 1 22.93 0.14 2.27 1.09 0.09 73.49 Average: 2 26.27 0.03 2.38 1.08 0.10 70.15 Average: 3 25.92 0.02 1.83 0.78 0.08 71.37 Average: 4 28.64 0.00 2.16 0.43 0.08 68.68 Average: 5 26.78 0.53 2.15 0.97 0.09 69.47 Average: 6 18.49 0.02 1.66 0.44 0.08 79.30 Average: 7 17.20 0.02 1.90 0.67 0.08 80.14