---> uname -a: Linux prd-centos8-docker-8c-8g-4946.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: 2800.000 BogoMIPS: 5600.00 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 1038 27177 19 3673 30391 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:fa:6c:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.207/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fefa:6c48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d1:c7:ed:7c 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:d1ff:fec7:ed7c/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) 17:11:19 LINUX RESTART (8 CPU) 05:12:02 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 205.02 14.74 190.27 3170.58 13157.84 05:14:01 PM 418.63 5.58 413.05 1232.52 14711.38 05:15:01 PM 242.24 2.45 239.79 397.33 42103.12 Average: 289.10 7.55 281.55 1591.29 23381.46 05:12:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28872108 30830996 3783604 11.59 2688 2275792 1804996 5.36 165420 3150628 151552 05:14:01 PM 27935880 30317968 4719832 14.45 2688 2689736 2128616 6.32 277600 3937128 196512 05:15:01 PM 26584316 29798408 6071396 18.59 2688 3511304 2548280 7.56 639492 4887260 74956 Average: 27797435 30315791 4858277 14.88 2688 2825611 2160631 6.41 360837 3991672 141007 05:12:02 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 217.79 176.34 2583.50 44.98 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 478.64 400.98 5931.19 54.45 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 517.09 431.46 6028.12 1271.46 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.20 13.95 0.48 257.72 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 405.56 337.16 4860.37 459.29 0.00 0.00 0.00 0.00 Average: docker0 2.08 4.67 0.16 86.39 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) 17:11:19 LINUX RESTART (8 CPU) 05:12:02 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 11.48 0.00 1.13 0.67 0.06 86.65 05:13:01 PM 0 7.74 0.00 0.58 0.19 0.05 91.44 05:13:01 PM 1 12.67 0.00 1.79 1.17 0.07 84.31 05:13:01 PM 2 21.02 0.00 1.70 0.41 0.07 76.81 05:13:01 PM 3 13.10 0.00 1.31 1.53 0.05 84.01 05:13:01 PM 4 9.27 0.00 0.56 0.27 0.05 89.84 05:13:01 PM 5 4.27 0.00 0.89 1.18 0.07 93.60 05:13:01 PM 6 17.70 0.00 1.83 0.51 0.05 79.91 05:13:01 PM 7 6.07 0.00 0.41 0.12 0.10 93.30 05:14:01 PM all 27.16 0.00 1.61 1.50 0.10 69.63 05:14:01 PM 0 18.55 0.00 1.20 0.22 0.10 79.92 05:14:01 PM 1 29.76 0.00 2.16 1.89 0.08 66.10 05:14:01 PM 2 25.56 0.00 2.01 2.04 0.10 70.28 05:14:01 PM 3 20.37 0.00 1.66 0.80 0.10 77.06 05:14:01 PM 4 32.27 0.00 1.81 3.73 0.12 62.07 05:14:01 PM 5 29.39 0.00 1.17 0.87 0.08 68.49 05:14:01 PM 6 30.78 0.00 1.69 1.37 0.10 66.05 05:14:01 PM 7 30.60 0.00 1.19 1.07 0.08 67.06 05:15:01 PM all 17.80 0.00 2.58 2.39 0.10 77.13 05:15:01 PM 0 12.46 0.00 2.25 1.70 0.08 83.51 05:15:01 PM 1 22.73 0.00 2.81 3.09 0.10 71.27 05:15:01 PM 2 17.90 0.00 3.29 3.12 0.08 75.60 05:15:01 PM 3 11.20 0.00 2.40 2.97 0.12 83.31 05:15:01 PM 4 23.71 0.00 2.59 1.78 0.08 71.84 05:15:01 PM 5 18.91 0.00 2.47 2.52 0.10 76.00 05:15:01 PM 6 17.47 0.00 2.39 0.27 0.12 79.76 05:15:01 PM 7 18.05 0.00 2.47 3.66 0.08 75.74 Average: all 18.85 0.00 1.78 1.52 0.09 77.76 Average: 0 12.94 0.00 1.35 0.70 0.08 84.93 Average: 1 21.76 0.00 2.25 2.06 0.08 73.84 Average: 2 21.50 0.00 2.33 1.86 0.08 74.22 Average: 3 14.90 0.00 1.79 1.77 0.09 81.45 Average: 4 21.81 0.00 1.66 1.94 0.08 74.51 Average: 5 17.60 0.00 1.51 1.52 0.08 79.28 Average: 6 22.00 0.00 1.97 0.72 0.09 75.21 Average: 7 18.31 0.00 1.36 1.62 0.09 78.62