---> uname -a: Linux prd-centos8-docker-8c-8g-11697.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1079 26373 19 4435 30341 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:de:78:ee 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 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fede:78ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6a:56:f7:63 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::42:6aff:fe56:f763/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/14/2026 _x86_64_ (8 CPU) 02:29:01 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 212.48 16.61 195.87 3198.13 15646.35 02:32:01 AM 162.31 3.98 158.32 1113.01 14253.87 02:33:01 AM 133.26 17.79 115.46 5572.01 29068.09 Average: 169.35 12.80 156.55 3294.51 19656.41 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28913868 30951524 3739504 11.45 2688 2351136 1604360 4.76 194288 3066728 71512 02:32:01 AM 26627468 29793700 6025904 18.45 2688 3461332 2655396 7.88 272616 5203048 782044 02:33:01 AM 27072260 31133188 5581112 17.09 2688 4348488 1501648 4.46 734776 4275080 698308 Average: 27537865 30626137 5115507 15.67 2688 3386985 1920468 5.70 400560 4181619 517288 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 213.88 171.63 2083.74 46.11 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1709.67 593.43 11303.55 57.19 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.80 11.80 1.26 1.26 0.00 0.00 0.00 0.00 02:33:01 AM eth0 145.35 150.58 1388.08 1253.78 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.28 5.45 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 689.58 305.20 4924.77 452.38 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.82 0.20 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/14/2026 _x86_64_ (8 CPU) 02:29:01 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 12.75 0.00 1.24 0.69 0.06 85.26 02:31:01 AM 0 8.42 0.00 1.15 0.25 0.08 90.10 02:31:01 AM 1 17.61 0.00 2.02 0.50 0.07 79.80 02:31:01 AM 2 10.85 0.00 1.32 1.02 0.07 86.74 02:31:01 AM 3 10.89 0.00 1.34 1.80 0.05 85.92 02:31:01 AM 4 6.84 0.00 0.72 0.55 0.07 91.82 02:31:01 AM 5 13.75 0.00 0.85 0.13 0.05 85.22 02:31:01 AM 6 26.17 0.00 1.77 0.89 0.07 71.10 02:31:01 AM 7 7.45 0.00 0.78 0.37 0.05 91.35 02:32:01 AM all 27.47 0.00 2.03 0.44 0.09 69.97 02:32:01 AM 0 23.03 0.00 2.03 0.27 0.08 74.59 02:32:01 AM 1 18.91 0.00 1.65 1.13 0.10 78.22 02:32:01 AM 2 39.28 0.00 1.07 0.13 0.08 59.43 02:32:01 AM 3 21.22 0.00 2.19 0.30 0.10 76.19 02:32:01 AM 4 17.56 0.00 2.32 0.84 0.10 79.17 02:32:01 AM 5 24.73 0.00 1.97 0.05 0.08 73.16 02:32:01 AM 6 32.07 0.00 3.19 0.61 0.07 64.07 02:32:01 AM 7 42.94 0.00 1.82 0.22 0.08 54.94 02:33:01 AM all 21.49 0.27 2.35 0.63 0.08 75.18 02:33:01 AM 0 17.12 0.03 2.36 1.05 0.08 79.35 02:33:01 AM 1 17.80 0.03 2.32 0.57 0.10 79.18 02:33:01 AM 2 19.95 0.00 2.38 0.57 0.08 77.01 02:33:01 AM 3 29.43 0.05 2.65 0.70 0.07 67.10 02:33:01 AM 4 21.11 0.07 2.31 0.30 0.07 76.14 02:33:01 AM 5 23.07 0.00 2.46 0.10 0.08 74.28 02:33:01 AM 6 18.36 1.64 2.83 1.66 0.08 75.42 02:33:01 AM 7 25.06 0.32 1.49 0.07 0.08 72.98 Average: all 20.55 0.09 1.87 0.59 0.08 76.82 Average: 0 16.17 0.01 1.85 0.52 0.08 81.36 Average: 1 18.11 0.01 1.99 0.73 0.09 79.07 Average: 2 23.34 0.00 1.59 0.58 0.08 74.41 Average: 3 20.51 0.02 2.06 0.94 0.07 76.41 Average: 4 15.16 0.02 1.78 0.56 0.08 82.39 Average: 5 20.50 0.00 1.76 0.10 0.07 77.57 Average: 6 25.53 0.55 2.60 1.05 0.07 70.21 Average: 7 25.11 0.11 1.36 0.22 0.07 73.13