---> uname -a: Linux prd-centos8-docker-8c-8g-5638.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 1049 27166 19 3674 30380 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:2b:6d:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.243/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe2b:6d68/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:34:f1:16:cd 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::42:34ff:fef1:16cd/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) 04/24/2026 _x86_64_ (8 CPU) 17:12:20 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 206.97 14.70 192.27 3124.28 10440.08 05:15:01 PM 432.15 5.56 426.59 1231.92 17195.37 05:16:01 PM 242.19 2.48 239.70 410.66 41963.11 Average: 293.78 7.58 286.20 1588.85 23199.89 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 29164200 31133488 3491512 10.69 2688 2284992 1999420 5.93 194148 2830732 225180 05:15:01 PM 27803664 30188104 4852048 14.86 2688 2691424 2232228 6.62 400244 3945848 195000 05:16:01 PM 27804328 31085220 4851384 14.86 2688 3577676 1526652 4.53 646408 3662828 149308 Average: 28257397 30802271 4398315 13.47 2688 2851364 1919433 5.69 413600 3479803 189829 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 255.31 202.73 2707.44 53.19 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 424.69 360.44 5827.94 51.34 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 505.46 426.69 6013.92 1275.38 0.00 0.00 0.00 0.00 05:16:01 PM docker0 8.48 15.83 0.61 257.92 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 395.16 329.96 4849.94 459.97 0.00 0.00 0.00 0.00 Average: docker0 2.83 5.28 0.20 85.97 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) 04/24/2026 _x86_64_ (8 CPU) 17:12:20 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 14.10 0.00 1.35 0.64 0.06 83.86 05:14:01 PM 0 7.27 0.00 0.92 0.33 0.05 91.43 05:14:01 PM 1 26.50 0.00 1.70 0.60 0.07 71.12 05:14:01 PM 2 24.99 0.00 2.73 1.05 0.08 71.14 05:14:01 PM 3 12.04 0.00 1.37 0.90 0.05 85.64 05:14:01 PM 4 12.90 0.00 0.75 0.27 0.07 86.01 05:14:01 PM 5 13.17 0.00 0.65 0.20 0.05 85.93 05:14:01 PM 6 8.08 0.00 1.20 0.37 0.05 90.29 05:14:01 PM 7 7.79 0.00 1.47 1.36 0.07 89.31 05:15:01 PM all 29.14 0.00 1.81 1.19 0.11 67.75 05:15:01 PM 0 39.83 0.00 1.89 0.80 0.13 57.34 05:15:01 PM 1 25.75 0.00 1.37 0.55 0.10 72.22 05:15:01 PM 2 29.76 0.00 1.44 0.55 0.12 68.13 05:15:01 PM 3 19.27 0.00 2.37 2.58 0.12 75.66 05:15:01 PM 4 21.88 0.00 1.51 0.39 0.10 76.12 05:15:01 PM 5 37.71 0.00 2.28 1.79 0.12 58.10 05:15:01 PM 6 23.36 0.00 2.44 2.51 0.10 71.60 05:15:01 PM 7 35.53 0.00 1.17 0.32 0.12 62.87 05:16:01 PM all 17.01 0.00 2.72 0.87 0.09 79.30 05:16:01 PM 0 18.89 0.00 2.89 0.25 0.10 77.87 05:16:01 PM 1 25.78 0.00 2.55 1.12 0.08 70.46 05:16:01 PM 2 12.54 0.00 2.72 1.41 0.10 83.22 05:16:01 PM 3 20.07 0.00 2.38 0.40 0.08 77.06 05:16:01 PM 4 10.80 0.00 2.96 0.84 0.10 85.30 05:16:01 PM 5 22.64 0.00 2.82 1.23 0.10 73.21 05:16:01 PM 6 16.52 0.00 2.30 0.25 0.10 80.83 05:16:01 PM 7 8.79 0.00 3.18 1.48 0.08 86.47 Average: all 20.08 0.00 1.96 0.90 0.09 76.98 Average: 0 21.98 0.00 1.90 0.46 0.09 75.56 Average: 1 26.01 0.00 1.88 0.76 0.08 71.27 Average: 2 22.44 0.00 2.30 1.01 0.10 74.15 Average: 3 17.12 0.00 2.04 1.30 0.08 79.46 Average: 4 15.20 0.00 1.74 0.50 0.09 82.48 Average: 5 24.49 0.00 1.92 1.07 0.09 72.43 Average: 6 15.97 0.00 1.98 1.04 0.08 80.92 Average: 7 17.38 0.00 1.94 1.05 0.09 79.54