---> uname -a: Linux prd-centos8-docker-8c-8g-6028.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1071 27056 19 3760 30354 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:ba:29:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86115sec preferred_lft 86115sec inet6 fe80::f816:3eff:feba:291d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1d:80:72:b5 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::42:1dff:fe80:72b5/64 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) 07/06/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 211.61 14.53 197.08 3117.63 15635.80 05:15:01 PM 461.69 5.57 456.12 1232.33 12806.77 05:16:01 PM 206.25 3.41 202.83 469.23 41578.49 Average: 293.17 7.84 285.33 1606.35 23341.95 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28970572 31043804 3682800 11.28 2688 2385852 1603516 4.76 195428 3003072 102112 05:15:01 PM 27697968 30277052 4955404 15.18 2688 2881964 2125944 6.31 402192 4025912 296688 05:16:01 PM 27705864 31081560 4947508 15.15 2688 3669256 1552980 4.61 643528 3749344 166156 Average: 28124801 30800805 4528571 13.87 2688 2979024 1760813 5.22 413716 3592776 188319 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 246.62 201.68 2432.20 51.98 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 585.77 460.29 7279.70 61.25 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 390.55 340.48 4300.65 1282.90 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.78 14.63 0.51 260.58 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 407.64 334.14 4670.69 465.45 0.00 0.00 0.00 0.00 Average: docker0 2.26 4.88 0.17 86.87 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) 07/06/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 13.04 0.00 1.20 0.89 0.06 84.81 05:14:01 PM 0 13.42 0.00 0.92 0.38 0.08 85.19 05:14:01 PM 1 14.30 0.00 1.57 1.87 0.07 82.19 05:14:01 PM 2 30.07 0.00 2.79 1.44 0.08 65.62 05:14:01 PM 3 3.39 0.00 0.75 0.57 0.05 95.24 05:14:01 PM 4 14.05 0.00 0.62 0.72 0.05 84.56 05:14:01 PM 5 14.33 0.00 0.52 0.20 0.07 84.88 05:14:01 PM 6 8.38 0.00 1.47 1.39 0.05 88.71 05:14:01 PM 7 6.35 0.00 0.95 0.55 0.05 92.10 05:15:01 PM all 27.90 0.00 1.85 1.08 0.14 69.03 05:15:01 PM 0 19.62 0.00 2.52 2.90 0.08 74.87 05:15:01 PM 1 26.41 0.00 2.16 1.17 0.10 70.15 05:15:01 PM 2 33.46 0.00 1.66 0.96 0.10 63.82 05:15:01 PM 3 20.02 0.00 1.12 0.28 0.43 78.14 05:15:01 PM 4 35.21 0.00 1.46 0.32 0.10 62.91 05:15:01 PM 5 29.66 0.00 2.05 0.96 0.12 67.22 05:15:01 PM 6 28.73 0.00 2.06 1.66 0.08 67.46 05:15:01 PM 7 30.06 0.00 1.79 0.39 0.10 67.66 05:16:01 PM all 16.71 0.00 2.48 1.08 0.08 79.65 05:16:01 PM 0 9.65 0.00 2.00 0.45 0.07 87.84 05:16:01 PM 1 25.23 0.00 2.50 1.44 0.08 70.74 05:16:01 PM 2 20.15 0.00 3.25 2.55 0.09 73.96 05:16:01 PM 3 12.56 0.00 2.50 0.89 0.08 83.96 05:16:01 PM 4 12.71 0.00 2.06 1.86 0.08 83.29 05:16:01 PM 5 22.82 0.00 2.77 0.71 0.08 73.62 05:16:01 PM 6 13.00 0.00 2.38 0.31 0.07 84.24 05:16:01 PM 7 17.56 0.00 2.37 0.44 0.08 79.55 Average: all 19.21 0.00 1.84 1.02 0.09 77.84 Average: 0 14.23 0.00 1.81 1.24 0.08 82.64 Average: 1 21.97 0.00 2.08 1.50 0.08 74.37 Average: 2 27.93 0.00 2.57 1.64 0.09 67.77 Average: 3 11.98 0.00 1.46 0.58 0.19 85.79 Average: 4 20.65 0.00 1.38 0.97 0.08 76.92 Average: 5 22.26 0.00 1.78 0.62 0.09 75.25 Average: 6 16.71 0.00 1.97 1.12 0.07 80.13 Average: 7 17.99 0.00 1.70 0.46 0.08 79.77