---> uname -a: Linux prd-centos8-docker-8c-8g-1321.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1004 28152 19 2733 30438 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:ad:84:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.207/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86206sec preferred_lft 86206sec inet6 fe80::f816:3eff:fead:8471/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:09:63:23:09 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/19/2026 _x86_64_ (8 CPU) 12:16:47 LINUX RESTART (8 CPU) 12:17:01 PM tps rtps wtps bread/s bwrtn/s 12:18:01 PM 220.53 21.76 198.77 5585.49 9090.65 12:19:01 PM 275.75 18.78 256.97 4151.04 15855.87 12:20:01 PM 108.63 1.37 107.26 288.84 10910.36 Average: 201.63 13.97 187.66 3341.74 11952.08 12:17:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:18:01 PM 29587296 31256564 3068408 9.40 2688 1993008 1395352 4.14 148132 2491908 161640 12:19:01 PM 27509496 29776068 5146208 15.76 2688 2577908 2743784 8.14 238516 4411372 231220 12:20:01 PM 28796140 31140476 3859564 11.82 2688 2652644 1469304 4.36 454152 2905824 31288 Average: 28630977 30724369 4024727 12.32 2688 2407853 1869480 5.55 280267 3269701 141383 12:17:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:18:01 PM eth0 475.59 285.94 1956.97 79.62 0.00 0.00 0.00 0.00 12:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:19:01 PM eth0 442.61 337.66 5817.16 50.73 0.00 0.00 0.00 0.00 12:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 PM eth0 116.49 100.30 741.87 23.35 0.00 0.00 0.00 0.00 12:20:01 PM docker0 0.00 0.00 0.00 0.00 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 344.89 241.29 2838.50 51.24 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 05/19/2026 _x86_64_ (8 CPU) 12:16:47 LINUX RESTART (8 CPU) 12:17:01 PM CPU %user %nice %system %iowait %steal %idle 12:18:01 PM all 13.13 0.00 1.82 0.74 0.05 84.26 12:18:01 PM 0 9.05 0.00 0.47 0.07 0.05 90.36 12:18:01 PM 1 18.43 0.00 1.69 0.32 0.05 79.51 12:18:01 PM 2 21.16 0.00 3.01 0.65 0.05 75.13 12:18:01 PM 3 17.59 0.00 1.93 2.08 0.05 78.36 12:18:01 PM 4 6.33 0.00 1.83 0.40 0.05 91.39 12:18:01 PM 5 6.49 0.00 2.26 1.48 0.07 89.70 12:18:01 PM 6 16.33 0.00 1.82 0.65 0.03 81.17 12:18:01 PM 7 9.61 0.00 1.56 0.30 0.05 88.48 12:19:01 PM all 27.97 0.00 1.50 1.20 0.10 69.23 12:19:01 PM 0 32.34 0.00 0.92 0.69 0.10 65.96 12:19:01 PM 1 33.53 0.00 1.44 1.67 0.10 63.26 12:19:01 PM 2 18.67 0.00 1.64 0.67 0.10 78.93 12:19:01 PM 3 20.41 0.00 1.52 2.11 0.10 75.85 12:19:01 PM 4 25.41 0.00 1.71 1.84 0.08 70.96 12:19:01 PM 5 35.47 0.00 1.36 0.74 0.10 62.34 12:19:01 PM 6 29.19 0.00 1.59 0.64 0.10 68.49 12:19:01 PM 7 28.72 0.00 1.84 1.27 0.10 68.07 12:20:01 PM all 16.67 0.00 1.02 0.48 0.06 81.78 12:20:01 PM 0 14.60 0.00 0.95 0.13 0.07 84.25 12:20:01 PM 1 24.24 0.00 1.47 0.23 0.07 73.99 12:20:01 PM 2 18.53 0.00 1.19 0.87 0.07 79.35 12:20:01 PM 3 12.49 0.00 1.20 1.35 0.07 84.89 12:20:01 PM 4 21.16 0.00 1.12 0.63 0.07 77.02 12:20:01 PM 5 11.48 0.00 0.72 0.17 0.05 87.58 12:20:01 PM 6 13.69 0.00 0.65 0.35 0.05 85.26 12:20:01 PM 7 17.13 0.00 0.87 0.07 0.07 81.87 Average: all 19.25 0.00 1.45 0.81 0.07 78.42 Average: 0 18.66 0.00 0.78 0.30 0.07 80.20 Average: 1 25.40 0.00 1.53 0.74 0.07 72.25 Average: 2 19.45 0.00 1.94 0.73 0.07 77.80 Average: 3 16.83 0.00 1.55 1.85 0.07 79.70 Average: 4 17.64 0.00 1.55 0.96 0.07 79.78 Average: 5 17.82 0.00 1.45 0.79 0.07 79.87 Average: 6 19.73 0.00 1.35 0.55 0.06 78.31 Average: 7 18.48 0.00 1.42 0.55 0.07 79.48