---> uname -a: Linux prd-centos8-docker-4c-4g-10070.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: 2799.934 BogoMIPS: 5599.86 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 817 12117 19 2828 14609 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:24:c7:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.197/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fe24:c7b2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:89:a9:d9:a7 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/13/2026 _x86_64_ (4 CPU) 08:07:32 LINUX RESTART (4 CPU) 08:08:01 AM tps rtps wtps bread/s bwrtn/s 08:09:01 AM 144.00 15.21 128.79 3252.65 8946.92 08:10:01 AM 160.24 1.10 159.14 20.26 8085.79 08:11:01 AM 68.24 5.23 63.01 1037.39 8827.57 08:12:01 AM 44.18 3.12 41.06 139.44 1172.47 Average: 104.17 6.17 98.00 1112.52 6758.36 08:08:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:09:01 AM 12930920 14932520 3210604 19.89 2688 2211920 1386308 8.06 157944 2668692 185808 08:10:01 AM 12436860 14692296 3704664 22.95 2688 2459936 1433368 8.34 199372 3099916 235696 08:11:01 AM 11291488 13592700 4850036 30.05 2688 2504580 2664736 15.50 255452 4177332 1640 08:12:01 AM 12380792 14933100 3760732 23.30 2688 2752844 1212288 7.05 525556 2819664 256904 Average: 12260015 14537654 3881509 24.05 2688 2482320 1674175 9.74 284581 3191401 170012 08:08:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM eth0 116.94 82.72 1629.99 24.41 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 361.72 274.02 3942.07 43.82 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM lo 23.26 23.26 4.86 4.86 0.00 0.00 0.00 0.00 08:11:01 AM eth0 51.35 38.02 155.58 29.21 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:12:01 AM lo 5.45 5.45 1.20 1.20 0.00 0.00 0.00 0.00 08:12:01 AM eth0 93.65 97.03 289.75 947.02 0.00 0.00 0.00 0.00 08:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.18 7.18 1.51 1.51 0.00 0.00 0.00 0.00 Average: eth0 155.91 122.94 1504.29 261.10 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 05/13/2026 _x86_64_ (4 CPU) 08:07:32 LINUX RESTART (4 CPU) 08:08:01 AM CPU %user %nice %system %iowait %steal %idle 08:09:01 AM all 18.91 0.00 2.01 0.68 0.08 78.33 08:09:01 AM 0 20.19 0.00 2.25 0.93 0.10 76.53 08:09:01 AM 1 27.14 0.00 2.45 0.80 0.08 69.52 08:09:01 AM 2 13.30 0.00 1.72 0.68 0.07 84.23 08:09:01 AM 3 14.99 0.00 1.60 0.30 0.07 83.04 08:10:01 AM all 17.28 0.00 1.64 0.69 0.07 80.32 08:10:01 AM 0 15.09 0.00 1.72 0.43 0.07 82.68 08:10:01 AM 1 19.68 0.00 1.09 0.47 0.08 78.68 08:10:01 AM 2 17.60 0.00 1.60 0.95 0.07 79.78 08:10:01 AM 3 16.75 0.00 2.16 0.90 0.07 80.12 08:11:01 AM all 44.19 0.00 1.05 0.35 0.07 54.34 08:11:01 AM 0 29.99 0.00 1.86 0.85 0.08 67.21 08:11:01 AM 1 54.45 0.00 0.32 0.03 0.05 45.15 08:11:01 AM 2 54.23 0.00 0.32 0.13 0.07 45.25 08:11:01 AM 3 38.00 0.00 1.71 0.39 0.08 59.82 08:12:01 AM all 17.59 0.00 1.50 0.13 0.07 80.71 08:12:01 AM 0 12.11 0.00 0.97 0.03 0.07 86.82 08:12:01 AM 1 16.75 0.00 1.00 0.07 0.07 82.11 08:12:01 AM 2 22.97 0.00 2.21 0.32 0.07 74.44 08:12:01 AM 3 18.53 0.00 1.84 0.10 0.07 79.47 Average: all 24.49 0.00 1.55 0.46 0.07 73.43 Average: 0 19.34 0.00 1.70 0.56 0.08 78.32 Average: 1 29.51 0.00 1.21 0.34 0.07 68.86 Average: 2 27.03 0.00 1.46 0.52 0.07 70.92 Average: 3 22.06 0.00 1.83 0.42 0.07 75.62