---> uname -a: Linux prd-centos8-docker-8c-8g-5785.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 1083 26323 19 4481 30334 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:6a:d4:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.201/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe6a:d451/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2d:48:f5:c7 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::42:2dff:fe48:f5c7/64 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) 06/01/2026 _x86_64_ (8 CPU) 07:30:57 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 319.58 17.28 302.30 3742.89 16935.67 07:34:01 AM 156.16 16.03 140.14 1506.83 40244.82 07:35:01 AM 240.42 5.23 235.19 4662.71 25702.78 Average: 238.72 12.85 225.87 3304.14 27627.76 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28267424 30624224 4385948 13.43 2688 2666024 1920216 5.70 217744 3668880 352520 07:34:01 AM 26155268 29369948 6498104 19.90 2688 3506084 4488412 13.32 456560 5464836 140 07:35:01 AM 26955196 31062760 5698176 17.45 2688 4393120 1498064 4.45 886772 4231688 76488 Average: 27125963 30352311 5527409 16.93 2688 3521743 2635564 7.82 520359 4455135 143049 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 588.50 442.84 6783.38 72.45 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 07:34:01 AM lo 3.87 3.87 0.43 0.43 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1172.19 297.83 6626.00 29.53 0.00 0.00 0.00 0.00 07:34:01 AM docker0 1.62 2.13 0.22 0.24 0.00 0.00 0.00 0.00 07:34:01 AM veth260f7d5 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:35:01 AM lo 9.01 9.01 0.93 0.93 0.00 0.00 0.00 0.00 07:35:01 AM eth0 171.94 174.54 1723.91 1268.70 0.00 0.00 0.00 0.00 07:35:01 AM docker0 3.22 3.83 0.44 0.45 0.00 0.00 0.00 0.00 Average: lo 4.29 4.29 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 644.21 305.07 5044.43 456.89 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.99 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) 06/01/2026 _x86_64_ (8 CPU) 07:30:57 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 20.73 0.00 1.68 0.81 0.08 76.70 07:33:01 AM 0 22.15 0.00 2.12 1.00 0.08 74.64 07:33:01 AM 1 22.28 0.00 1.69 0.60 0.08 75.34 07:33:01 AM 2 16.87 0.00 1.53 2.03 0.08 79.49 07:33:01 AM 3 12.26 0.00 1.39 0.82 0.07 85.47 07:33:01 AM 4 32.89 0.00 2.39 0.92 0.08 63.72 07:33:01 AM 5 25.89 0.00 1.00 0.07 0.07 72.97 07:33:01 AM 6 23.39 0.00 1.74 0.62 0.07 74.18 07:33:01 AM 7 10.11 0.00 1.61 0.44 0.07 87.78 07:34:01 AM all 29.34 0.23 2.60 0.68 0.08 67.07 07:34:01 AM 0 21.28 0.03 2.07 0.55 0.07 75.99 07:34:01 AM 1 32.46 0.00 3.74 2.24 0.08 61.48 07:34:01 AM 2 23.87 0.00 2.45 0.59 0.07 73.03 07:34:01 AM 3 23.49 1.72 2.81 1.16 0.07 70.74 07:34:01 AM 4 39.45 0.05 3.20 0.30 0.08 56.91 07:34:01 AM 5 31.36 0.03 2.02 0.05 0.08 66.45 07:34:01 AM 6 34.93 0.00 2.68 0.49 0.10 61.80 07:34:01 AM 7 27.89 0.03 1.82 0.08 0.08 70.09 07:35:01 AM all 19.66 0.06 2.05 0.61 0.07 77.55 07:35:01 AM 0 17.82 0.00 3.08 2.33 0.08 76.69 07:35:01 AM 1 20.53 0.02 1.74 0.47 0.08 77.16 07:35:01 AM 2 19.54 0.00 2.18 0.37 0.07 77.84 07:35:01 AM 3 25.35 0.03 1.91 0.84 0.07 71.80 07:35:01 AM 4 29.19 0.03 2.08 0.22 0.07 68.41 07:35:01 AM 5 16.30 0.02 1.44 0.15 0.07 82.03 07:35:01 AM 6 15.47 0.03 2.11 0.35 0.05 81.99 07:35:01 AM 7 13.11 0.34 1.89 0.15 0.05 84.46 Average: all 23.23 0.10 2.11 0.70 0.07 73.78 Average: 0 20.42 0.01 2.42 1.29 0.08 75.77 Average: 1 25.07 0.01 2.39 1.10 0.08 71.35 Average: 2 20.09 0.00 2.05 1.00 0.07 76.80 Average: 3 20.36 0.58 2.03 0.94 0.07 76.02 Average: 4 33.83 0.03 2.55 0.48 0.08 63.03 Average: 5 24.51 0.02 1.49 0.09 0.07 73.83 Average: 6 24.58 0.01 2.17 0.49 0.07 72.67 Average: 7 17.02 0.12 1.77 0.22 0.07 80.79