---> uname -a: Linux prd-centos8-docker-8c-8g-5238.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): 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: 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): 0-7 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1032 27184 19 3673 30398 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:08:94:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.105/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe08:9468/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5d:b6:d2:91 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::42:5dff:feb6:d291/64 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) 04/23/2026 _x86_64_ (8 CPU) 17:13:01 LINUX RESTART (8 CPU) 05:14:01 PM tps rtps wtps bread/s bwrtn/s 05:15:01 PM 443.52 14.93 428.59 3229.46 16383.49 05:16:01 PM 236.72 6.00 230.72 1199.73 15240.24 05:17:01 PM 150.27 0.85 149.42 423.86 35340.57 Average: 276.84 7.26 269.58 1617.68 22321.43 05:14:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:15:01 PM 28604940 30711256 4050772 12.40 2688 2417644 1858028 5.51 212772 3349344 182020 05:16:01 PM 26951272 29499600 5704440 17.47 2688 2852500 2793084 8.29 422844 4758692 172216 05:17:01 PM 27831596 31112396 4824116 14.77 2688 3577976 1550316 4.60 645132 3637752 144080 Average: 27795936 30441084 4859776 14.88 2688 2949373 2067143 6.13 426916 3915263 166105 05:14:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 390.40 345.32 4059.82 71.02 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 462.15 379.66 6314.40 48.95 0.00 0.00 0.00 0.00 05:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM eth0 569.11 484.86 3486.22 3693.73 0.00 0.00 0.00 0.00 05:17:01 PM docker0 7.35 13.63 0.54 258.34 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 473.89 403.28 4620.14 1271.23 0.00 0.00 0.00 0.00 Average: docker0 2.45 4.54 0.18 86.11 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) 04/23/2026 _x86_64_ (8 CPU) 17:13:01 LINUX RESTART (8 CPU) 05:14:01 PM CPU %user %nice %system %iowait %steal %idle 05:15:01 PM all 17.81 0.00 1.57 1.58 0.10 78.93 05:15:01 PM 0 16.33 0.00 2.41 3.20 0.10 77.95 05:15:01 PM 1 11.00 0.00 1.51 1.26 0.10 86.14 05:15:01 PM 2 27.83 0.00 2.24 1.36 0.13 68.44 05:15:01 PM 3 21.00 0.00 1.27 1.09 0.08 76.55 05:15:01 PM 4 15.29 0.00 1.31 1.54 0.08 81.78 05:15:01 PM 5 5.19 0.00 0.97 1.31 0.10 92.44 05:15:01 PM 6 15.81 0.00 1.32 1.12 0.10 81.65 05:15:01 PM 7 30.07 0.00 1.56 1.79 0.08 66.49 05:16:01 PM all 28.98 0.00 1.55 1.05 0.14 68.28 05:16:01 PM 0 32.10 0.00 1.07 0.52 0.12 66.19 05:16:01 PM 1 30.92 0.00 2.16 0.84 0.18 65.90 05:16:01 PM 2 29.81 0.00 1.64 1.14 0.13 67.27 05:16:01 PM 3 35.00 0.00 1.09 1.01 0.10 62.80 05:16:01 PM 4 35.58 0.00 2.25 2.18 0.15 59.83 05:16:01 PM 5 14.33 0.00 1.33 0.22 0.10 84.03 05:16:01 PM 6 29.22 0.00 1.39 1.54 0.15 67.70 05:16:01 PM 7 24.88 0.00 1.47 0.99 0.15 72.51 05:17:01 PM all 12.58 0.00 2.32 1.02 0.09 83.99 05:17:01 PM 0 13.70 0.00 1.90 0.23 0.08 84.09 05:17:01 PM 1 8.45 0.00 2.15 2.67 0.10 86.63 05:17:01 PM 2 11.92 0.00 2.94 0.81 0.12 84.21 05:17:01 PM 3 16.22 0.00 2.15 0.50 0.10 81.03 05:17:01 PM 4 11.50 0.00 2.66 1.34 0.07 84.43 05:17:01 PM 5 12.57 0.00 1.90 0.79 0.08 84.66 05:17:01 PM 6 13.17 0.00 2.42 0.67 0.10 83.64 05:17:01 PM 7 13.12 0.00 2.43 1.14 0.08 83.22 Average: all 19.80 0.00 1.81 1.22 0.11 77.06 Average: 0 20.71 0.00 1.79 1.32 0.10 76.07 Average: 1 16.80 0.00 1.94 1.59 0.13 79.55 Average: 2 23.20 0.00 2.28 1.10 0.13 73.30 Average: 3 24.07 0.00 1.50 0.87 0.09 73.46 Average: 4 20.79 0.00 2.07 1.69 0.10 75.35 Average: 5 10.69 0.00 1.40 0.77 0.10 87.05 Average: 6 19.40 0.00 1.71 1.11 0.12 77.66 Average: 7 22.70 0.00 1.82 1.31 0.11 74.07