---> uname -a: Linux prd-centos8-docker-8c-8g-558.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 1066 27064 19 3759 30360 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:12:9d:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.251/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe12:9de0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e4:81:47:1a 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:e4ff:fe81:471a/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) 05/18/2026 _x86_64_ (8 CPU) 03:37:25 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 183.04 14.55 168.49 3223.86 12079.34 03:40:01 AM 473.69 4.80 468.89 1165.61 13421.64 03:41:01 AM 277.44 3.10 274.35 461.50 47305.06 Average: 311.39 7.48 303.91 1616.93 24269.96 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28998336 30915512 3657376 11.20 2688 2234976 1826592 5.42 160412 3033916 121296 03:40:01 AM 27740248 30094572 4915464 15.05 2688 2662288 2372116 7.04 271276 4141680 239584 03:41:01 AM 26522444 29826960 6133268 18.78 2688 3597892 2538328 7.53 650824 4924164 66716 Average: 27753676 30279015 4902036 15.01 2688 2831719 2245679 6.66 360837 4033253 142532 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 161.11 129.02 1872.03 40.52 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 461.60 403.37 6183.15 56.96 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 545.14 432.53 7368.85 861.37 0.00 0.00 0.00 0.00 03:41:01 AM docker0 13.44 19.92 0.76 308.51 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 389.29 321.65 5141.47 319.65 0.00 0.00 0.00 0.00 Average: docker0 4.48 6.64 0.25 102.85 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) 05/18/2026 _x86_64_ (8 CPU) 03:37:25 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 10.43 0.00 1.08 0.52 0.06 87.91 03:39:01 AM 0 4.59 0.00 0.67 0.38 0.07 94.30 03:39:01 AM 1 14.12 0.00 1.22 0.83 0.05 83.78 03:39:01 AM 2 17.43 0.00 1.77 0.37 0.05 80.38 03:39:01 AM 3 6.31 0.00 0.79 0.37 0.07 92.47 03:39:01 AM 4 15.93 0.00 1.22 0.47 0.07 82.31 03:39:01 AM 5 2.29 0.00 0.42 0.17 0.05 97.07 03:39:01 AM 6 6.75 0.00 0.67 0.80 0.07 91.71 03:39:01 AM 7 16.00 0.00 1.87 0.77 0.07 81.30 03:40:01 AM all 26.00 0.00 1.67 1.24 0.09 70.99 03:40:01 AM 0 20.26 0.00 1.47 0.70 0.10 77.46 03:40:01 AM 1 16.92 0.00 2.39 3.21 0.08 77.39 03:40:01 AM 2 32.69 0.00 1.16 0.80 0.12 65.23 03:40:01 AM 3 33.87 0.00 1.76 1.24 0.10 63.03 03:40:01 AM 4 33.81 0.00 2.21 2.23 0.10 61.66 03:40:01 AM 5 18.56 0.00 1.31 0.64 0.08 79.41 03:40:01 AM 6 26.71 0.00 1.44 0.39 0.08 71.38 03:40:01 AM 7 25.20 0.00 1.59 0.75 0.08 72.37 03:41:01 AM all 18.92 0.00 3.09 1.08 0.09 76.83 03:41:01 AM 0 27.04 0.00 4.53 2.27 0.08 66.07 03:41:01 AM 1 19.54 0.00 2.72 1.29 0.10 76.34 03:41:01 AM 2 17.25 0.00 3.84 1.11 0.10 77.70 03:41:01 AM 3 11.00 0.00 2.74 0.84 0.10 85.31 03:41:01 AM 4 23.24 0.00 2.37 0.59 0.08 73.72 03:41:01 AM 5 28.02 0.00 3.01 0.67 0.08 68.22 03:41:01 AM 6 8.13 0.00 2.81 0.34 0.07 88.65 03:41:01 AM 7 17.10 0.00 2.69 1.53 0.08 78.60 Average: all 18.44 0.00 1.94 0.95 0.08 78.59 Average: 0 17.26 0.00 2.22 1.12 0.08 79.32 Average: 1 16.85 0.00 2.11 1.78 0.08 79.18 Average: 2 22.46 0.00 2.25 0.76 0.09 74.43 Average: 3 17.07 0.00 1.76 0.82 0.09 80.27 Average: 4 24.32 0.00 1.93 1.09 0.08 72.57 Average: 5 16.27 0.00 1.57 0.49 0.07 81.59 Average: 6 13.87 0.00 1.64 0.51 0.07 83.91 Average: 7 19.43 0.00 2.05 1.02 0.08 77.43