---> uname -a: Linux prd-centos8-docker-8c-8g-10327.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 1047 27164 19 3678 30383 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:f7:47:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.21/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:fef7:47fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:aa:08:0c:dc 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:aaff:fe08:cdc/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) 05/13/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 197.55 14.46 183.09 3221.99 12290.22 05:14:01 PM 453.24 4.78 448.46 1165.54 14777.85 05:15:01 PM 247.85 2.42 245.43 390.00 42989.50 Average: 299.54 7.22 292.32 1592.54 23353.00 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28890528 30856000 3765184 11.53 2688 2282300 1783476 5.29 165340 3134724 171064 05:14:01 PM 27803420 30188720 4852292 14.86 2688 2692776 2167164 6.43 284156 4064536 227240 05:15:01 PM 26051156 29268984 6604556 20.22 2688 3514592 3972732 11.79 639232 5418816 74948 Average: 27581701 30104568 5074011 15.54 2688 2829889 2641124 7.84 362909 4206025 157751 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 223.33 177.96 2554.77 45.26 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 465.76 397.98 5913.82 54.29 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 483.44 388.82 6031.45 662.63 0.00 0.00 0.00 0.00 05:15:01 PM docker0 8.48 15.31 0.61 258.21 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 390.84 321.58 4833.29 254.07 0.00 0.00 0.00 0.00 Average: docker0 2.83 5.10 0.20 86.08 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_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 10.94 0.00 1.10 0.53 0.05 87.38 05:13:01 PM 0 10.13 0.00 1.15 0.75 0.05 87.92 05:13:01 PM 1 18.76 0.00 1.65 0.43 0.07 79.08 05:13:01 PM 2 9.39 0.00 1.15 0.79 0.05 88.62 05:13:01 PM 3 6.36 0.00 0.87 0.54 0.05 92.18 05:13:01 PM 4 16.88 0.00 1.50 0.43 0.07 81.11 05:13:01 PM 5 10.89 0.00 0.53 0.03 0.03 88.51 05:13:01 PM 6 5.46 0.00 0.85 0.69 0.03 92.96 05:13:01 PM 7 9.63 0.00 1.07 0.62 0.03 88.65 05:14:01 PM all 27.26 0.00 1.67 1.12 0.08 69.88 05:14:01 PM 0 23.20 0.00 1.19 0.57 0.08 74.96 05:14:01 PM 1 23.74 0.00 2.34 3.00 0.07 70.86 05:14:01 PM 2 35.83 0.00 1.35 0.57 0.08 62.16 05:14:01 PM 3 21.00 0.00 1.71 1.05 0.08 76.16 05:14:01 PM 4 35.39 0.00 1.05 0.50 0.08 62.97 05:14:01 PM 5 16.14 0.00 1.96 1.44 0.10 80.36 05:14:01 PM 6 28.69 0.00 1.72 0.82 0.08 68.68 05:14:01 PM 7 34.02 0.00 2.00 0.97 0.08 62.93 05:15:01 PM all 16.06 0.00 2.46 0.85 0.07 80.56 05:15:01 PM 0 10.31 0.00 2.30 0.37 0.08 86.94 05:15:01 PM 1 19.04 0.00 2.87 1.38 0.07 76.64 05:15:01 PM 2 21.59 0.00 3.50 2.03 0.07 72.81 05:15:01 PM 3 15.23 0.00 2.35 1.16 0.07 81.19 05:15:01 PM 4 23.80 0.00 1.95 0.42 0.07 73.77 05:15:01 PM 5 6.10 0.00 2.39 0.39 0.07 91.05 05:15:01 PM 6 11.33 0.00 2.12 0.42 0.05 86.08 05:15:01 PM 7 21.06 0.00 2.20 0.65 0.08 76.00 Average: all 18.08 0.00 1.74 0.83 0.07 79.28 Average: 0 14.55 0.00 1.54 0.56 0.07 83.27 Average: 1 20.51 0.00 2.29 1.60 0.07 75.53 Average: 2 22.27 0.00 2.00 1.13 0.07 74.53 Average: 3 14.20 0.00 1.64 0.92 0.07 83.18 Average: 4 25.35 0.00 1.50 0.45 0.07 72.62 Average: 5 11.05 0.00 1.63 0.62 0.07 86.64 Average: 6 15.16 0.00 1.56 0.64 0.06 82.58 Average: 7 21.55 0.00 1.75 0.75 0.07 75.88