---> uname -a: Linux prd-centos8-docker-8c-8g-4180.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 1045 26400 19 4441 30374 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:99:df:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.65/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86136sec preferred_lft 86136sec inet6 fe80::f816:3eff:fe99:df67/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fd:13:ee:e5 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:fdff:fe13:eee5/64 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) 08/05/2026 _x86_64_ (8 CPU) 02:28:55 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 286.70 17.26 269.44 3847.52 16938.07 02:32:01 AM 155.03 16.03 139.00 1462.71 39376.79 02:33:01 AM 81.69 3.75 77.94 4678.06 25557.57 Average: 174.47 12.35 162.13 3329.51 27290.71 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28230076 30545964 4423296 13.55 2688 2625984 1968748 5.84 214424 3714024 294520 02:32:01 AM 26044628 29250928 6608744 20.24 2688 3498416 5272024 15.64 446192 5589624 1660 02:33:01 AM 27028312 31097004 5625060 17.23 2688 4355624 1541068 4.57 876468 4174700 7528 Average: 27101005 30297965 5552367 17.00 2688 3493341 2927280 8.69 512361 4492783 101236 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 519.66 389.47 5988.67 69.28 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 3.72 3.72 0.41 0.41 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1658.48 445.10 7216.28 37.24 0.00 0.00 0.00 0.00 02:32:01 AM docker0 1.45 1.92 0.20 0.22 0.00 0.00 0.00 0.00 02:32:01 AM veth67a57ba 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 02:33:01 AM lo 8.28 8.28 0.86 0.86 0.00 0.00 0.00 0.00 02:33:01 AM eth0 146.68 150.09 1384.64 1250.30 0.00 0.00 0.00 0.00 02:33:01 AM docker0 2.87 3.50 0.41 0.41 0.00 0.00 0.00 0.00 Average: lo 4.00 4.00 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 774.90 328.21 4863.00 452.32 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.80 0.21 0.21 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) 08/05/2026 _x86_64_ (8 CPU) 02:28:55 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 18.78 0.00 1.59 0.84 0.08 78.72 02:31:01 AM 0 12.77 0.00 1.44 1.17 0.08 84.53 02:31:01 AM 1 17.85 0.00 1.02 0.33 0.10 80.70 02:31:01 AM 2 20.47 0.00 1.46 0.70 0.08 77.29 02:31:01 AM 3 24.25 0.00 2.09 0.82 0.07 72.78 02:31:01 AM 4 21.68 0.00 1.67 0.97 0.07 75.61 02:31:01 AM 5 9.70 0.00 1.59 0.75 0.07 87.89 02:31:01 AM 6 21.14 0.00 2.27 1.67 0.07 74.85 02:31:01 AM 7 22.41 0.00 1.15 0.28 0.07 76.08 02:32:01 AM all 29.02 0.22 2.93 0.70 0.09 67.04 02:32:01 AM 0 35.73 0.03 2.71 0.62 0.10 60.80 02:32:01 AM 1 36.80 0.00 3.34 0.88 0.10 58.88 02:32:01 AM 2 39.96 0.03 2.70 0.93 0.08 56.29 02:32:01 AM 3 30.61 0.02 1.85 0.25 0.10 67.16 02:32:01 AM 4 23.74 1.67 2.76 0.39 0.10 71.34 02:32:01 AM 5 17.47 0.03 4.23 0.71 0.07 77.49 02:32:01 AM 6 25.59 0.00 2.96 0.40 0.07 70.98 02:32:01 AM 7 22.25 0.00 2.88 1.45 0.08 73.34 02:33:01 AM all 19.91 0.05 2.17 0.37 0.06 77.43 02:33:01 AM 0 33.05 0.02 2.41 0.10 0.08 64.34 02:33:01 AM 1 14.99 0.00 2.08 0.12 0.07 82.75 02:33:01 AM 2 14.55 0.00 2.08 1.83 0.07 81.48 02:33:01 AM 3 27.24 0.00 2.28 0.23 0.05 70.19 02:33:01 AM 4 11.18 0.37 1.61 0.03 0.05 86.76 02:33:01 AM 5 17.11 0.00 3.36 0.07 0.07 79.40 02:33:01 AM 6 20.75 0.02 1.96 0.23 0.07 76.97 02:33:01 AM 7 20.41 0.00 1.61 0.37 0.05 77.57 Average: all 22.55 0.09 2.23 0.64 0.08 74.41 Average: 0 27.16 0.02 2.19 0.63 0.09 69.92 Average: 1 23.17 0.00 2.14 0.44 0.09 74.15 Average: 2 24.96 0.01 2.08 1.15 0.08 71.72 Average: 3 27.36 0.01 2.07 0.44 0.07 70.05 Average: 4 18.86 0.68 2.01 0.46 0.07 77.92 Average: 5 14.75 0.01 3.06 0.51 0.07 81.61 Average: 6 22.49 0.01 2.40 0.77 0.07 74.27 Average: 7 21.69 0.00 1.88 0.70 0.07 75.67