---> uname -a: Linux prd-centos8-docker-4c-4g-4857.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 851 11809 19 3102 14567 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:5e:a7:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.149/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe5e:a7a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:11:f3:5c:d5 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::42:11ff:fef3:5cd5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/12/2026 _x86_64_ (4 CPU) 07:50:29 LINUX RESTART (4 CPU) 07:51:01 AM tps rtps wtps bread/s bwrtn/s 07:52:01 AM 169.17 2.65 166.52 203.43 9852.46 07:53:01 AM 171.84 4.33 167.51 1223.13 10939.54 07:54:01 AM 173.20 6.03 167.17 5875.69 24555.22 Average: 171.40 4.34 167.07 2434.08 15115.74 07:51:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:52:01 AM 12924308 14814100 3217224 19.93 2688 2098256 1554560 9.04 164460 2665052 158348 07:53:01 AM 11668940 13722776 4472592 27.71 2688 2257532 2399528 13.96 202016 3858008 208 07:54:01 AM 12151980 14971688 3989552 24.72 2688 3011388 1298176 7.55 646796 2889780 44 Average: 12248409 14502855 3893123 24.12 2688 2455725 1750755 10.18 337757 3137613 52867 07:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:52:01 AM eth0 188.97 150.87 1792.77 36.59 0.00 0.00 0.00 0.00 07:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:53:01 AM lo 17.25 17.25 2.30 2.30 0.00 0.00 0.00 0.00 07:53:01 AM eth0 424.33 295.80 1932.63 112.98 0.00 0.00 0.00 0.00 07:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:54:01 AM lo 0.87 0.87 0.04 0.04 0.00 0.00 0.00 0.00 07:54:01 AM eth0 217.68 130.18 2491.06 29.19 0.00 0.00 0.00 0.00 07:54:01 AM docker0 21.11 26.53 2.00 609.10 0.00 0.00 0.00 0.00 Average: lo 6.04 6.04 0.78 0.78 0.00 0.00 0.00 0.00 Average: eth0 276.99 192.28 2072.15 59.59 0.00 0.00 0.00 0.00 Average: docker0 7.04 8.84 0.67 203.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/12/2026 _x86_64_ (4 CPU) 07:50:29 LINUX RESTART (4 CPU) 07:51:01 AM CPU %user %nice %system %iowait %steal %idle 07:52:01 AM all 28.57 0.00 2.40 1.00 0.08 67.95 07:52:01 AM 0 30.25 0.00 2.64 1.02 0.08 66.01 07:52:01 AM 1 27.76 0.00 2.17 0.52 0.07 69.49 07:52:01 AM 2 20.66 0.00 1.83 1.12 0.08 76.30 07:52:01 AM 3 35.60 0.00 2.98 1.32 0.08 60.02 07:53:01 AM all 33.19 0.00 2.53 1.64 0.09 62.54 07:53:01 AM 0 36.53 0.00 1.85 0.28 0.10 61.23 07:53:01 AM 1 31.39 0.00 3.00 2.26 0.10 63.25 07:53:01 AM 2 30.30 0.00 3.62 2.18 0.08 63.82 07:53:01 AM 3 34.54 0.00 1.66 1.84 0.08 61.88 07:54:01 AM all 34.16 0.00 5.02 2.12 0.08 58.63 07:54:01 AM 0 38.15 0.00 4.26 3.19 0.08 54.32 07:54:01 AM 1 29.84 0.00 6.52 1.38 0.08 62.17 07:54:01 AM 2 39.30 0.00 4.74 1.79 0.08 54.08 07:54:01 AM 3 29.31 0.00 4.55 2.10 0.08 63.95 Average: all 31.97 0.00 3.32 1.58 0.09 63.05 Average: 0 34.97 0.00 2.92 1.49 0.09 60.53 Average: 1 29.66 0.00 3.89 1.38 0.08 64.98 Average: 2 30.09 0.00 3.40 1.70 0.08 64.73 Average: 3 33.15 0.00 3.06 1.75 0.08 61.95