---> uname -a: Linux prd-centos8-docker-8c-8g-4847.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 1068 26493 19 4327 30354 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:f0:f2:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fef0:f222/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4e:e7:ae:32 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::42:4eff:fee7:ae32/64 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) 04/22/2026 _x86_64_ (8 CPU) 11:09:41 LINUX RESTART (8 CPU) 11:10:00 AM tps rtps wtps bread/s bwrtn/s 11:10:01 AM 160.00 49.47 110.53 78695.79 17814.74 11:11:01 AM 230.99 21.34 209.65 4402.40 7875.39 11:12:01 AM 294.42 20.11 274.31 8449.18 15190.52 11:13:01 AM 144.19 14.75 129.45 1192.33 37966.24 11:14:01 AM 221.14 0.32 220.82 91.02 24716.06 Average: 222.44 14.27 208.17 3829.93 21422.23 11:10:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 AM 30645248 31861264 2010464 6.16 2688 1556900 690248 2.05 86240 1567524 20 11:11:01 AM 29528204 31306392 3127508 9.58 2688 2098444 1432000 4.25 138712 2550524 277252 11:12:01 AM 27804468 30233740 4851244 14.86 2688 2740604 2123512 6.30 323420 4038044 292512 11:13:01 AM 25933912 29205084 6721800 20.58 2688 3564720 4084688 12.12 545376 5609548 152 11:14:01 AM 27100976 31051668 5554736 17.01 2688 4239392 1544088 4.58 827116 4158112 23044 Average: 28202562 30731630 4453150 13.64 2688 2840012 1974907 5.86 384173 3584750 118596 11:10:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 AM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 AM eth0 398.68 270.74 2272.28 80.44 0.00 0.00 0.00 0.00 11:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:12:01 AM eth0 523.58 416.49 6205.26 58.89 0.00 0.00 0.00 0.00 11:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:13:01 AM lo 10.16 10.16 1.10 1.10 0.00 0.00 0.00 0.00 11:13:01 AM eth0 1083.55 285.92 6516.29 30.95 0.00 0.00 0.00 0.00 11:13:01 AM docker0 3.97 5.05 0.54 0.59 0.00 0.00 0.00 0.00 11:13:01 AM veth68bcbb9 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:14:01 AM lo 2.58 2.58 0.24 0.24 0.00 0.00 0.00 0.00 11:14:01 AM eth0 123.75 109.41 1712.51 21.73 0.00 0.00 0.00 0.00 11:14:01 AM docker0 0.87 0.90 0.11 0.10 0.00 0.00 0.00 0.00 Average: lo 3.17 3.17 0.34 0.34 0.00 0.00 0.00 0.00 Average: eth0 530.25 269.57 4159.92 47.81 0.00 0.00 0.00 0.00 Average: docker0 1.20 1.48 0.16 0.17 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) 04/22/2026 _x86_64_ (8 CPU) 11:09:41 LINUX RESTART (8 CPU) 11:10:00 AM CPU %user %nice %system %iowait %steal %idle 11:10:01 AM all 1.06 0.00 3.32 0.66 0.00 94.95 11:10:01 AM 0 1.05 0.00 4.21 0.00 0.00 94.74 11:10:01 AM 1 2.13 0.00 2.13 2.13 0.00 93.62 11:10:01 AM 2 1.06 0.00 2.13 0.00 0.00 96.81 11:10:01 AM 3 1.09 0.00 0.00 0.00 0.00 98.91 11:10:01 AM 4 1.08 0.00 1.08 0.00 0.00 97.85 11:10:01 AM 5 0.00 0.00 1.06 0.00 0.00 98.94 11:10:01 AM 6 1.05 0.00 2.11 0.00 0.00 96.84 11:10:01 AM 7 1.04 0.00 13.54 3.12 0.00 82.29 11:11:01 AM all 12.58 0.00 1.77 0.56 0.06 85.03 11:11:01 AM 0 8.20 0.00 1.81 0.08 0.05 89.86 11:11:01 AM 1 23.95 0.00 2.59 0.32 0.08 73.06 11:11:01 AM 2 6.24 0.00 1.04 0.40 0.07 92.26 11:11:01 AM 3 4.88 0.00 0.74 0.05 0.07 94.26 11:11:01 AM 4 16.74 0.00 2.31 0.62 0.05 80.28 11:11:01 AM 5 15.11 0.00 1.32 0.20 0.05 83.32 11:11:01 AM 6 5.46 0.00 1.86 0.44 0.05 92.19 11:11:01 AM 7 19.98 0.00 2.51 2.41 0.05 75.06 11:12:01 AM all 26.36 0.00 1.72 1.56 0.10 70.26 11:12:01 AM 0 33.33 0.00 1.89 0.97 0.10 63.71 11:12:01 AM 1 22.82 0.00 2.26 3.95 0.12 70.85 11:12:01 AM 2 24.28 0.00 1.72 0.47 0.08 73.44 11:12:01 AM 3 29.32 0.00 2.04 3.68 0.12 64.84 11:12:01 AM 4 18.84 0.00 1.52 0.85 0.08 78.71 11:12:01 AM 5 30.10 0.00 1.56 0.82 0.08 67.44 11:12:01 AM 6 39.13 0.00 1.41 0.67 0.12 58.67 11:12:01 AM 7 13.02 0.00 1.38 1.03 0.08 84.49 11:13:01 AM all 25.08 0.32 2.93 0.71 0.10 70.85 11:13:01 AM 0 26.93 0.05 1.71 0.13 0.10 71.07 11:13:01 AM 1 19.82 0.05 3.37 1.63 0.10 75.02 11:13:01 AM 2 23.90 0.02 3.12 0.40 0.12 72.44 11:13:01 AM 3 31.19 0.00 3.83 0.24 0.10 64.64 11:13:01 AM 4 34.21 0.00 2.69 0.40 0.12 62.58 11:13:01 AM 5 15.05 2.29 3.08 2.02 0.10 77.46 11:13:01 AM 6 34.74 0.02 3.15 0.13 0.10 61.85 11:13:01 AM 7 14.83 0.10 2.52 0.74 0.08 81.72 11:14:01 AM all 18.69 0.05 1.90 0.52 0.06 78.78 11:14:01 AM 0 19.30 0.00 1.45 0.12 0.07 79.06 11:14:01 AM 1 35.70 0.00 2.36 0.27 0.08 61.59 11:14:01 AM 2 18.85 0.00 2.68 0.74 0.08 77.65 11:14:01 AM 3 16.63 0.12 1.49 0.25 0.07 81.45 11:14:01 AM 4 15.68 0.25 1.86 0.37 0.05 81.80 11:14:01 AM 5 17.12 0.00 1.55 0.17 0.05 81.11 11:14:01 AM 6 19.72 0.00 2.20 1.27 0.05 76.76 11:14:01 AM 7 6.50 0.02 1.61 1.01 0.07 90.80 Average: all 20.59 0.09 2.09 0.84 0.08 76.31 Average: 0 21.85 0.01 1.73 0.33 0.08 76.01 Average: 1 25.49 0.01 2.64 1.54 0.10 70.22 Average: 2 18.24 0.00 2.14 0.50 0.09 79.03 Average: 3 20.41 0.03 2.01 1.05 0.09 76.41 Average: 4 21.27 0.06 2.09 0.56 0.08 75.94 Average: 5 19.28 0.57 1.87 0.80 0.07 77.42 Average: 6 24.67 0.00 2.15 0.63 0.08 72.47 Average: 7 13.53 0.03 2.05 1.30 0.07 83.01