---> uname -a: Linux prd-centos8-docker-8c-8g-8373.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: 2799.974 BogoMIPS: 5599.94 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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1057 26293 19 4539 30367 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:63:56:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.188/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe63:5689/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fe:32:0a:7a 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:feff:fe32:a7a/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) 05/05/2026 _x86_64_ (8 CPU) 12:36:28 LINUX RESTART (8 CPU) 12:37:01 PM tps rtps wtps bread/s bwrtn/s 12:38:01 PM 239.07 16.88 222.19 3321.83 11010.50 12:39:01 PM 204.50 4.42 200.08 1560.41 45295.72 12:40:01 PM 204.93 15.54 189.39 6646.32 2523.21 Average: 216.17 12.28 203.89 3842.98 19608.38 12:37:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:38:01 PM 28697348 30807288 3958356 12.12 2688 2425516 1889416 5.61 164300 3324992 364228 12:39:01 PM 26164864 29259428 6490840 19.88 2688 3391540 5041356 14.96 381356 5554160 288 12:40:01 PM 26559148 30713500 6096556 18.67 2688 4445884 1810276 5.37 707220 4829152 843336 Average: 27140453 30260072 5515251 16.89 2688 3420980 2913683 8.64 417625 4569435 402617 12:37:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 PM eth0 406.73 297.50 5063.04 45.54 0.00 0.00 0.00 0.00 12:38:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 PM eth0 1419.38 404.37 8662.27 37.73 0.00 0.00 0.00 0.00 12:39:01 PM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:39:01 PM veth971aa4e 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 12:40:01 PM lo 12.83 12.83 1.35 1.35 0.00 0.00 0.00 0.00 12:40:01 PM eth0 312.88 227.76 4770.14 33.36 0.00 0.00 0.00 0.00 12:40:01 PM docker0 4.80 5.85 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.28 4.28 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 712.96 309.87 6165.01 38.88 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.98 0.22 0.23 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) 05/05/2026 _x86_64_ (8 CPU) 12:36:28 LINUX RESTART (8 CPU) 12:37:01 PM CPU %user %nice %system %iowait %steal %idle 12:38:01 PM all 13.49 0.00 1.38 0.63 0.06 84.44 12:38:01 PM 0 1.92 0.00 0.70 0.10 0.05 97.23 12:38:01 PM 1 11.68 0.00 1.27 0.75 0.05 86.25 12:38:01 PM 2 25.13 0.00 1.79 0.63 0.07 72.38 12:38:01 PM 3 16.40 0.00 1.86 0.75 0.07 80.93 12:38:01 PM 4 14.43 0.00 1.76 0.65 0.07 83.10 12:38:01 PM 5 10.32 0.00 1.39 0.67 0.05 87.57 12:38:01 PM 6 18.59 0.00 0.94 0.38 0.07 80.03 12:38:01 PM 7 9.48 0.00 1.32 1.09 0.05 88.07 12:39:01 PM all 30.20 0.00 2.44 0.91 0.10 66.34 12:39:01 PM 0 11.89 0.00 2.02 0.86 0.10 85.13 12:39:01 PM 1 30.23 0.00 3.10 1.50 0.12 65.06 12:39:01 PM 2 32.50 0.00 3.05 1.67 0.10 62.68 12:39:01 PM 3 37.52 0.00 2.82 1.14 0.10 58.42 12:39:01 PM 4 22.68 0.00 2.05 0.44 0.10 74.73 12:39:01 PM 5 45.49 0.00 1.80 0.32 0.10 52.29 12:39:01 PM 6 43.08 0.00 2.20 0.03 0.08 54.60 12:39:01 PM 7 18.18 0.00 2.51 1.37 0.12 77.82 12:40:01 PM all 26.31 0.29 2.48 0.63 0.09 70.20 12:40:01 PM 0 24.86 0.44 2.31 0.64 0.10 71.65 12:40:01 PM 1 29.43 0.39 3.44 2.69 0.12 63.94 12:40:01 PM 2 21.23 0.07 2.52 0.32 0.08 75.78 12:40:01 PM 3 23.53 0.03 2.23 0.18 0.10 73.92 12:40:01 PM 4 28.79 0.00 1.79 0.08 0.08 69.24 12:40:01 PM 5 31.30 0.05 3.08 0.47 0.08 65.01 12:40:01 PM 6 22.22 0.00 2.01 0.17 0.08 75.51 12:40:01 PM 7 29.14 1.37 2.41 0.47 0.10 66.50 Average: all 23.32 0.10 2.10 0.72 0.09 73.68 Average: 0 12.88 0.15 1.68 0.53 0.08 84.69 Average: 1 23.75 0.13 2.60 1.64 0.10 71.78 Average: 2 26.28 0.02 2.45 0.87 0.08 70.30 Average: 3 25.80 0.01 2.30 0.69 0.09 71.10 Average: 4 21.96 0.00 1.87 0.39 0.08 75.70 Average: 5 29.00 0.02 2.09 0.49 0.08 68.33 Average: 6 27.94 0.00 1.71 0.20 0.08 70.07 Average: 7 18.92 0.46 2.08 0.97 0.09 77.48