---> uname -a: Linux prd-centos8-docker-4c-4g-5060.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: 2799.998 BogoMIPS: 5599.99 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 842 11855 19 3065 14574 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:b2:36:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.191/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86000sec preferred_lft 86000sec inet6 fe80::f816:3eff:feb2:36b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c5:77:0b:0e 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:c5ff:fe77:b0e/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) 02/03/2026 _x86_64_ (4 CPU) 10:32:39 LINUX RESTART (4 CPU) 10:33:01 AM tps rtps wtps bread/s bwrtn/s 10:34:02 AM 341.00 19.93 321.07 3838.67 8298.97 10:35:01 AM 235.50 7.49 228.01 1063.96 13662.89 10:36:01 AM 35.59 0.05 35.54 1.07 7923.19 10:37:01 AM 3.62 0.00 3.62 0.00 281.84 10:38:01 AM 85.15 3.48 81.67 585.94 18667.53 10:39:01 AM 22.16 0.45 21.71 63.86 725.98 Average: 120.21 5.23 114.99 925.50 8245.76 10:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:34:02 AM 12855264 14808120 3286260 20.36 2688 2161964 1461784 8.50 157188 2749752 235428 10:35:01 AM 11040120 13354424 5101404 31.60 2688 2516060 2582636 15.02 246068 4433460 221836 10:36:01 AM 9598468 11921800 6543056 40.54 2688 2524264 3805604 22.14 263524 5849436 4376 10:37:01 AM 9532696 11861452 6608828 40.94 2688 2529496 3868848 22.51 263748 5914060 3688 10:38:01 AM 7408904 10173168 8732620 54.10 2688 2954304 8670900 50.44 404728 7834540 12 10:39:01 AM 12100780 14883380 4040744 25.03 2688 2971768 1265480 7.36 587544 2989492 24632 Average: 10422705 12833724 5718819 35.43 2688 2609643 3609209 21.00 320467 4961790 81662 10:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:34:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:34:02 AM eth0 141.38 107.03 1566.92 36.93 0.00 0.00 0.00 0.00 10:34:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:35:01 AM eth0 372.27 301.98 5003.83 46.25 0.00 0.00 0.00 0.00 10:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:36:01 AM eth0 22.34 19.34 5.14 24.52 0.00 0.00 0.00 0.00 10:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:37:01 AM eth0 15.30 14.51 3.17 22.86 0.00 0.00 0.00 0.00 10:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:38:01 AM lo 14.85 14.85 27.15 27.15 0.00 0.00 0.00 0.00 10:38:01 AM eth0 238.10 131.46 2830.74 11.87 0.00 0.00 0.00 0.00 10:38:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 10:38:01 AM vethdea346b 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 10:38:01 AM br-be2b9b2b8e01 5.81 5.63 25.62 0.94 0.00 0.00 0.00 0.00 10:38:01 AM veth7152fcf 11.08 11.83 26.58 26.63 0.00 0.00 0.00 0.00 10:39:01 AM lo 2.02 2.02 0.14 0.14 0.00 0.00 0.00 0.00 10:39:01 AM eth0 18.98 16.41 13.29 18.77 0.00 0.00 0.00 0.00 10:39:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.82 2.82 4.56 4.56 0.00 0.00 0.00 0.00 Average: eth0 134.09 97.91 1561.23 26.81 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 02/03/2026 _x86_64_ (4 CPU) 10:32:39 LINUX RESTART (4 CPU) 10:33:01 AM CPU %user %nice %system %iowait %steal %idle 10:34:02 AM all 25.31 0.00 2.59 1.55 0.08 70.47 10:34:02 AM 0 35.54 0.00 3.84 1.35 0.08 59.19 10:34:02 AM 1 12.70 0.00 2.20 2.98 0.10 82.02 10:34:02 AM 2 31.86 0.00 2.71 0.99 0.07 64.38 10:34:02 AM 3 21.08 0.00 1.62 0.87 0.08 76.34 10:35:01 AM all 50.61 0.00 3.53 1.90 0.13 43.83 10:35:01 AM 0 54.06 0.00 4.08 2.13 0.12 39.61 10:35:01 AM 1 52.40 0.00 3.37 2.32 0.12 41.79 10:35:01 AM 2 48.21 0.00 3.41 1.55 0.12 46.70 10:35:01 AM 3 47.79 0.00 3.28 1.61 0.14 47.18 10:36:01 AM all 51.70 0.00 0.94 0.26 0.10 47.01 10:36:01 AM 0 57.79 0.00 1.05 0.00 0.08 41.07 10:36:01 AM 1 42.62 0.00 0.94 0.97 0.12 55.36 10:36:01 AM 2 43.74 0.00 0.74 0.07 0.08 55.37 10:36:01 AM 3 62.61 0.00 1.04 0.02 0.10 36.24 10:37:01 AM all 15.43 0.00 0.35 0.01 0.07 84.14 10:37:01 AM 0 16.16 0.00 0.32 0.02 0.07 83.44 10:37:01 AM 1 11.92 0.00 0.37 0.00 0.07 87.65 10:37:01 AM 2 16.41 0.00 0.30 0.02 0.07 83.21 10:37:01 AM 3 17.24 0.00 0.42 0.00 0.08 82.26 10:38:01 AM all 37.57 0.00 3.52 0.82 0.10 57.99 10:38:01 AM 0 32.61 0.00 3.00 1.43 0.10 62.86 10:38:01 AM 1 36.92 0.00 3.34 0.67 0.12 58.95 10:38:01 AM 2 32.94 0.00 3.51 0.66 0.10 62.79 10:38:01 AM 3 47.80 0.00 4.24 0.52 0.10 47.34 10:39:01 AM all 22.53 0.00 1.26 0.07 0.07 76.08 10:39:01 AM 0 13.07 0.00 1.39 0.08 0.07 85.39 10:39:01 AM 1 18.21 0.00 1.24 0.05 0.07 80.43 10:39:01 AM 2 28.99 0.00 1.25 0.07 0.07 69.62 10:39:01 AM 3 29.85 0.00 1.15 0.07 0.07 68.87 Average: all 33.76 0.00 2.02 0.76 0.09 63.37 Average: 0 34.74 0.00 2.27 0.82 0.09 62.09 Average: 1 29.03 0.00 1.90 1.16 0.10 67.82 Average: 2 33.56 0.00 1.97 0.55 0.08 63.83 Average: 3 37.69 0.00 1.95 0.51 0.10 59.75