---> uname -a: Linux prd-centos8-docker-8c-8g-1385.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 1069 27138 19 3682 30361 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:ae:e7:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.93/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:feae:e76c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5d:e9:5b:74 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:fee9:5b74/64 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) 05/19/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 203.67 14.61 189.05 3119.76 11994.45 05:14:01 PM 447.54 5.57 441.98 1232.33 14644.63 05:15:01 PM 253.72 2.43 251.28 463.85 43170.19 Average: 301.63 7.54 294.10 1605.33 23270.24 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28817260 30785448 3838452 11.75 2688 2284928 1835220 5.45 165404 3205208 173192 05:14:01 PM 28006976 30377792 4648736 14.24 2688 2678696 2024372 6.01 271868 3873960 209488 05:15:01 PM 27827488 31115564 4828224 14.79 2688 3585288 1508236 4.47 643620 3642700 149284 Average: 28217241 30759601 4438471 13.59 2688 2849637 1789276 5.31 360297 3573956 177321 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 229.96 183.76 2624.90 45.50 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 461.76 386.57 5626.73 51.73 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 548.80 471.29 6289.50 1278.05 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.56 14.03 0.55 256.99 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 413.50 347.20 4847.00 458.45 0.00 0.00 0.00 0.00 Average: docker0 2.52 4.68 0.18 85.67 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) 05/19/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 11.68 0.00 1.20 0.53 0.06 86.52 05:13:01 PM 0 7.97 0.00 1.35 0.60 0.08 90.00 05:13:01 PM 1 18.14 0.00 2.26 0.99 0.07 78.55 05:13:01 PM 2 6.11 0.00 0.68 0.42 0.08 92.71 05:13:01 PM 3 16.00 0.00 1.52 0.52 0.05 81.92 05:13:01 PM 4 16.98 0.00 1.67 0.77 0.05 80.53 05:13:01 PM 5 14.81 0.00 0.50 0.50 0.05 84.14 05:13:01 PM 6 5.61 0.00 0.84 0.22 0.05 93.29 05:13:01 PM 7 7.83 0.00 0.82 0.27 0.05 91.03 05:14:01 PM all 22.91 0.00 1.39 0.96 0.08 74.65 05:14:01 PM 0 26.03 0.00 1.64 1.64 0.08 70.61 05:14:01 PM 1 24.56 0.00 2.11 1.99 0.10 71.24 05:14:01 PM 2 25.61 0.00 1.84 1.17 0.08 71.29 05:14:01 PM 3 20.43 0.00 1.22 0.79 0.07 77.50 05:14:01 PM 4 25.31 0.00 1.10 0.64 0.07 72.88 05:14:01 PM 5 25.10 0.00 0.90 0.54 0.08 73.38 05:14:01 PM 6 22.21 0.00 1.29 0.43 0.07 76.00 05:14:01 PM 7 14.07 0.00 1.02 0.52 0.07 84.32 05:15:01 PM all 21.26 0.00 2.89 0.80 0.09 74.95 05:15:01 PM 0 16.54 0.00 2.45 1.11 0.10 79.81 05:15:01 PM 1 24.82 0.00 2.81 1.13 0.08 71.16 05:15:01 PM 2 18.67 0.00 2.97 1.09 0.10 77.16 05:15:01 PM 3 19.56 0.00 2.64 0.42 0.08 77.30 05:15:01 PM 4 28.55 0.00 3.18 0.49 0.08 67.70 05:15:01 PM 5 26.68 0.00 2.15 0.34 0.08 70.75 05:15:01 PM 6 25.22 0.00 4.58 1.58 0.10 68.51 05:15:01 PM 7 10.07 0.00 2.36 0.29 0.08 87.21 Average: all 18.61 0.00 1.83 0.77 0.08 78.72 Average: 0 16.83 0.00 1.81 1.11 0.09 80.15 Average: 1 22.50 0.00 2.39 1.37 0.08 73.66 Average: 2 16.78 0.00 1.83 0.89 0.09 80.41 Average: 3 18.66 0.00 1.79 0.57 0.07 78.91 Average: 4 23.60 0.00 1.98 0.63 0.07 73.72 Average: 5 22.18 0.00 1.18 0.46 0.07 76.10 Average: 6 17.66 0.00 2.23 0.74 0.07 79.30 Average: 7 10.66 0.00 1.40 0.36 0.07 87.52