---> uname -a: Linux prd-centos8-docker-8c-8g-11201.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 1075 26324 19 4487 30343 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:5d:c7:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.64/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fe5d:c790/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1f:0b:08:e7 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::42:1fff:fe0b:8e7/64 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) 06/12/2026 _x86_64_ (8 CPU) 07:30:25 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 176.04 14.56 161.48 3117.09 10759.88 07:33:01 AM 239.35 4.73 234.62 1126.96 20499.13 07:34:02 AM 296.54 16.69 279.84 5550.02 31048.59 Average: 237.31 12.00 225.32 3264.82 20769.77 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 29124248 31119872 3529124 10.81 2688 2311576 2005920 5.95 186444 2876220 233008 07:33:01 AM 26891116 29629812 5762256 17.65 2688 3044880 2856900 8.48 274636 4973828 389876 07:34:02 AM 25942844 29942436 6710528 20.55 2688 4287680 2965080 8.80 675748 5456512 636760 Average: 27319403 30230707 5333969 16.34 2688 3214712 2609300 7.74 378943 4435520 419881 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 152.97 116.23 2068.72 37.07 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 1424.49 577.84 10436.91 61.46 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:02 AM lo 12.81 12.81 1.35 1.35 0.00 0.00 0.00 0.00 07:34:02 AM eth0 528.02 191.62 3383.86 32.51 0.00 0.00 0.00 0.00 07:34:02 AM docker0 4.78 5.90 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.27 4.27 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 701.82 295.22 5296.39 43.68 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) 06/12/2026 _x86_64_ (8 CPU) 07:30:25 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 12.59 0.00 1.29 0.45 0.06 85.61 07:32:01 AM 0 6.77 0.00 0.70 0.15 0.07 92.31 07:32:01 AM 1 7.25 0.00 0.85 0.84 0.07 90.99 07:32:01 AM 2 16.01 0.00 1.67 0.60 0.05 81.68 07:32:01 AM 3 7.02 0.00 0.92 0.72 0.08 91.25 07:32:01 AM 4 22.87 0.00 1.79 0.27 0.05 75.03 07:32:01 AM 5 15.26 0.00 1.25 0.57 0.03 82.88 07:32:01 AM 6 6.74 0.00 0.90 0.10 0.07 92.19 07:32:01 AM 7 18.76 0.00 2.22 0.35 0.03 78.63 07:33:01 AM all 31.27 0.00 1.62 0.72 0.08 66.30 07:33:01 AM 0 28.16 0.00 1.54 0.40 0.08 69.81 07:33:01 AM 1 29.02 0.00 1.81 0.91 0.08 68.18 07:33:01 AM 2 31.34 0.00 2.15 1.09 0.08 65.34 07:33:01 AM 3 34.72 0.00 1.36 0.52 0.08 63.32 07:33:01 AM 4 31.85 0.00 1.14 0.30 0.08 66.62 07:33:01 AM 5 48.66 0.00 2.65 1.71 0.08 46.90 07:33:01 AM 6 34.44 0.00 1.09 0.60 0.08 63.78 07:33:01 AM 7 12.01 0.00 1.22 0.27 0.08 86.42 07:34:02 AM all 23.25 0.27 3.14 0.98 0.08 72.27 07:34:02 AM 0 26.22 1.96 3.20 0.79 0.08 67.75 07:34:02 AM 1 26.77 0.05 2.66 1.28 0.08 69.17 07:34:02 AM 2 16.62 0.00 2.90 1.08 0.08 79.32 07:34:02 AM 3 22.97 0.05 3.77 2.56 0.08 70.57 07:34:02 AM 4 28.65 0.00 2.99 0.25 0.08 68.02 07:34:02 AM 5 26.05 0.05 2.88 1.04 0.08 69.90 07:34:02 AM 6 13.86 0.02 2.75 0.10 0.07 83.21 07:34:02 AM 7 24.85 0.05 4.01 0.72 0.08 70.28 Average: all 22.38 0.09 2.02 0.72 0.07 74.72 Average: 0 20.36 0.65 1.81 0.45 0.08 76.65 Average: 1 20.99 0.02 1.77 1.01 0.08 76.14 Average: 2 21.35 0.00 2.24 0.92 0.07 75.41 Average: 3 21.56 0.02 2.01 1.26 0.08 75.06 Average: 4 27.78 0.00 1.97 0.27 0.07 69.90 Average: 5 29.98 0.02 2.26 1.11 0.07 66.57 Average: 6 18.42 0.01 1.58 0.27 0.07 79.65 Average: 7 18.53 0.02 2.48 0.45 0.07 78.46