---> uname -a: Linux prd-centos8-docker-8c-8g-39840.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 1052 27298 19 3539 30381 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:e5:f5:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.170/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fee5:f527/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:90:dd:7c:67 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::42:90ff:fedd:7c67/64 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) 08/21/2025 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 186.14 14.53 171.61 3198.93 11016.99 05:14:01 PM 413.45 6.36 407.08 1207.46 14827.29 05:15:01 PM 163.87 1.22 162.65 425.79 39498.63 Average: 254.48 7.37 247.11 1610.66 21781.96 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29029376 30927568 3626336 11.10 2688 2215288 1799772 5.34 156048 3004000 154404 05:14:01 PM 27569720 29984024 5085992 15.57 2688 2721168 2408612 7.15 402604 4176104 295196 05:15:01 PM 27942032 31095612 4713680 14.43 2688 3453484 1515528 4.50 800232 3383684 170000 Average: 28180376 30669068 4475336 13.70 2688 2796647 1907971 5.66 452961 3521263 206533 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 232.52 188.50 2075.41 41.33 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 629.19 499.02 7427.36 64.95 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 435.20 389.52 3639.50 2369.76 0.00 0.00 0.00 0.00 05:15:01 PM docker0 10.48 29.97 0.70 244.72 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 432.30 359.02 4380.71 825.43 0.00 0.00 0.00 0.00 Average: docker0 3.49 9.99 0.23 81.58 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) 08/21/2025 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 10.88 0.00 1.03 0.92 0.06 87.11 05:13:01 PM 0 4.12 0.00 0.57 0.27 0.07 94.97 05:13:01 PM 1 20.53 0.00 2.45 1.59 0.10 75.33 05:13:01 PM 2 3.70 0.00 0.45 1.09 0.05 94.71 05:13:01 PM 3 13.09 0.00 0.48 0.08 0.07 86.28 05:13:01 PM 4 17.76 0.00 1.25 1.35 0.05 79.58 05:13:01 PM 5 9.81 0.00 0.92 0.58 0.05 88.64 05:13:01 PM 6 10.64 0.00 1.34 1.80 0.05 86.17 05:13:01 PM 7 7.33 0.00 0.73 0.63 0.07 91.24 05:14:01 PM all 28.23 0.00 1.72 1.57 0.08 68.40 05:14:01 PM 0 30.59 0.00 1.47 0.17 0.08 67.69 05:14:01 PM 1 21.62 0.00 1.66 1.58 0.08 75.06 05:14:01 PM 2 18.45 0.00 1.28 0.52 0.08 79.67 05:14:01 PM 3 24.82 0.00 1.85 2.72 0.08 70.53 05:14:01 PM 4 38.75 0.00 1.25 1.00 0.08 58.91 05:14:01 PM 5 33.45 0.00 2.14 1.04 0.08 63.28 05:14:01 PM 6 29.33 0.00 2.06 3.03 0.08 65.50 05:14:01 PM 7 28.75 0.00 2.03 2.51 0.08 66.62 05:15:01 PM all 14.68 0.00 2.55 1.65 0.07 81.05 05:15:01 PM 0 6.80 0.00 1.81 0.94 0.08 90.36 05:15:01 PM 1 12.27 0.00 3.04 1.91 0.07 82.71 05:15:01 PM 2 5.39 0.00 2.33 3.04 0.05 89.19 05:15:01 PM 3 18.09 0.00 2.72 1.14 0.07 77.99 05:15:01 PM 4 23.65 0.00 2.21 0.12 0.08 73.93 05:15:01 PM 5 15.76 0.00 2.18 0.94 0.07 81.06 05:15:01 PM 6 18.26 0.00 2.97 1.41 0.07 77.29 05:15:01 PM 7 17.23 0.00 3.10 3.70 0.05 75.92 Average: all 17.92 0.00 1.76 1.38 0.07 78.86 Average: 0 13.84 0.00 1.28 0.46 0.08 84.35 Average: 1 18.15 0.00 2.38 1.69 0.08 77.69 Average: 2 9.18 0.00 1.35 1.55 0.06 87.86 Average: 3 18.66 0.00 1.68 1.31 0.07 78.28 Average: 4 26.72 0.00 1.57 0.83 0.07 70.81 Average: 5 19.66 0.00 1.75 0.85 0.07 77.67 Average: 6 19.40 0.00 2.12 2.08 0.07 76.33 Average: 7 17.75 0.00 1.95 2.28 0.07 77.94