---> uname -a: Linux prd-centos8-docker-8c-8g-1516.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 994 28372 19 2522 30446 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:28:b9:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.40/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe28:b968/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e5:3f:d9:6e 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) 05/20/2026 _x86_64_ (8 CPU) 05:20:03 LINUX RESTART (8 CPU) 05:21:01 AM tps rtps wtps bread/s bwrtn/s 05:22:01 AM 204.13 3.62 200.52 650.45 13562.41 05:23:02 AM 107.81 1.77 106.05 664.71 5389.20 05:24:01 AM 61.97 2.85 59.12 131.73 5504.32 Average: 124.98 2.74 122.24 484.24 8166.62 05:21:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:22:01 AM 28024108 29934168 4631604 14.18 2688 2224372 2807872 8.33 177536 3978540 89100 05:23:02 AM 27376816 29451500 5278896 16.17 2688 2383960 3501740 10.39 230496 4548216 96488 05:24:01 AM 29082056 31207348 3573656 10.94 2688 2431948 1451180 4.31 417036 2659388 30324 Average: 28160993 30197672 4494719 13.76 2688 2346760 2586931 7.68 275023 3728715 71971 05:21:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 255.01 219.03 2153.59 63.66 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:02 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:23:02 AM eth0 139.22 112.40 1471.61 22.70 0.00 0.00 0.00 0.00 05:23:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM eth0 175.06 165.78 356.71 174.52 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 189.85 165.73 1332.67 86.47 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) 05/20/2026 _x86_64_ (8 CPU) 05:20:03 LINUX RESTART (8 CPU) 05:21:01 AM CPU %user %nice %system %iowait %steal %idle 05:22:01 AM all 20.98 0.00 1.49 0.64 0.07 76.81 05:22:01 AM 0 15.59 0.00 1.19 0.74 0.07 82.43 05:22:01 AM 1 7.26 0.00 1.19 0.54 0.08 90.93 05:22:01 AM 2 20.68 0.00 1.27 0.50 0.07 77.48 05:22:01 AM 3 28.77 0.00 2.05 0.55 0.07 68.56 05:22:01 AM 4 32.99 0.00 1.64 1.04 0.07 64.26 05:22:01 AM 5 24.27 0.00 2.34 1.05 0.08 72.25 05:22:01 AM 6 17.88 0.00 1.32 0.50 0.07 80.23 05:22:01 AM 7 20.42 0.00 0.92 0.22 0.07 78.37 05:23:02 AM all 35.73 0.00 1.26 0.25 0.07 62.69 05:23:02 AM 0 33.55 0.00 1.34 0.02 0.08 65.01 05:23:02 AM 1 35.09 0.00 0.90 0.53 0.07 63.41 05:23:02 AM 2 28.47 0.00 1.22 0.58 0.07 69.66 05:23:02 AM 3 34.19 0.00 1.12 0.08 0.08 64.53 05:23:02 AM 4 40.22 0.00 1.17 0.15 0.07 58.40 05:23:02 AM 5 41.19 0.00 1.35 0.23 0.07 57.15 05:23:02 AM 6 44.09 0.00 1.69 0.32 0.08 53.82 05:23:02 AM 7 29.03 0.00 1.29 0.08 0.05 69.55 05:24:01 AM all 25.85 0.00 1.59 0.15 0.07 72.34 05:24:01 AM 0 25.00 0.00 1.43 0.02 0.07 73.49 05:24:01 AM 1 27.91 0.00 1.85 0.56 0.07 69.61 05:24:01 AM 2 30.44 0.00 1.92 0.14 0.08 67.41 05:24:01 AM 3 23.51 0.00 1.63 0.05 0.07 74.74 05:24:01 AM 4 31.85 0.00 1.90 0.05 0.08 66.11 05:24:01 AM 5 21.37 0.00 1.68 0.10 0.07 76.77 05:24:01 AM 6 19.81 0.00 1.02 0.02 0.07 79.09 05:24:01 AM 7 26.88 0.00 1.31 0.24 0.07 71.50 Average: all 27.53 0.00 1.45 0.35 0.07 70.60 Average: 0 24.71 0.00 1.32 0.26 0.07 73.65 Average: 1 23.41 0.00 1.31 0.54 0.07 74.66 Average: 2 26.51 0.00 1.47 0.41 0.07 71.54 Average: 3 28.85 0.00 1.60 0.23 0.07 69.24 Average: 4 35.04 0.00 1.57 0.41 0.07 62.90 Average: 5 28.99 0.00 1.79 0.47 0.07 68.68 Average: 6 27.30 0.00 1.35 0.28 0.07 71.00 Average: 7 25.44 0.00 1.17 0.18 0.06 73.15