---> uname -a: Linux prd-centos8-docker-8c-8g-4356.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1056 27083 19 3750 30371 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:b1:8b:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.252/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:feb1:8bb4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3a:17:f2:90 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::42:3aff:fe17:f290/64 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) 03/24/2026 _x86_64_ (8 CPU) 03:37:17 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 258.33 14.60 243.74 3223.99 14427.17 03:40:01 AM 453.92 6.42 447.51 1208.07 12996.17 03:41:01 AM 211.60 3.85 207.75 498.37 44036.80 Average: 307.94 8.29 299.66 1643.50 23820.65 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28803872 30831264 3851840 11.80 2688 2341332 1797700 5.33 200040 3173116 133284 03:40:01 AM 27465780 29948016 5189932 15.89 2688 2787172 2457392 7.29 401036 4271236 272824 03:41:01 AM 27798100 31162520 4857612 14.88 2688 3657536 1488400 4.42 656432 3646840 149344 Average: 28022584 30647267 4633128 14.19 2688 2928680 1914497 5.68 419169 3697064 185151 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 278.04 245.33 2968.75 57.93 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 435.98 383.69 6455.43 52.81 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 535.10 447.97 5347.74 2349.83 0.00 0.00 0.00 0.00 03:41:01 AM docker0 8.46 12.33 0.50 307.86 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 416.37 358.99 4923.89 820.23 0.00 0.00 0.00 0.00 Average: docker0 2.82 4.11 0.17 102.62 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) 03/24/2026 _x86_64_ (8 CPU) 03:37:17 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 15.14 0.00 1.40 0.77 0.07 82.62 03:39:01 AM 0 14.55 0.00 0.94 0.32 0.08 84.12 03:39:01 AM 1 22.22 0.00 2.51 1.99 0.07 73.22 03:39:01 AM 2 18.55 0.00 1.67 0.54 0.08 79.15 03:39:01 AM 3 22.05 0.00 1.79 0.65 0.07 75.44 03:39:01 AM 4 17.82 0.00 0.79 0.10 0.05 81.24 03:39:01 AM 5 4.79 0.00 0.84 0.48 0.08 93.80 03:39:01 AM 6 12.42 0.00 1.99 1.77 0.07 83.75 03:39:01 AM 7 8.69 0.00 0.70 0.32 0.08 90.20 03:40:01 AM all 25.64 0.00 1.58 1.05 0.08 71.65 03:40:01 AM 0 35.03 0.00 0.84 0.38 0.08 63.67 03:40:01 AM 1 24.27 0.00 2.21 1.29 0.08 72.14 03:40:01 AM 2 25.92 0.00 1.12 0.45 0.08 72.42 03:40:01 AM 3 25.81 0.00 2.68 1.59 0.08 69.83 03:40:01 AM 4 21.80 0.00 2.15 3.15 0.08 72.82 03:40:01 AM 5 29.20 0.00 1.29 0.50 0.07 68.94 03:40:01 AM 6 18.67 0.00 1.09 0.55 0.08 79.60 03:40:01 AM 7 24.43 0.00 1.24 0.50 0.08 73.74 03:41:01 AM all 16.58 0.00 2.91 1.07 0.10 79.33 03:41:01 AM 0 17.33 0.00 2.92 0.69 0.12 78.94 03:41:01 AM 1 11.32 0.00 3.53 3.27 0.12 81.77 03:41:01 AM 2 12.28 0.00 3.48 1.38 0.10 82.76 03:41:01 AM 3 20.60 0.00 2.67 0.81 0.12 75.81 03:41:01 AM 4 14.42 0.00 2.52 0.35 0.10 82.60 03:41:01 AM 5 24.53 0.00 2.62 0.39 0.10 72.37 03:41:01 AM 6 14.56 0.00 2.32 0.54 0.08 82.50 03:41:01 AM 7 17.61 0.00 3.25 1.16 0.07 77.91 Average: all 19.12 0.00 1.96 0.97 0.09 77.87 Average: 0 22.30 0.00 1.56 0.46 0.09 75.58 Average: 1 19.28 0.00 2.75 2.18 0.09 75.70 Average: 2 18.93 0.00 2.09 0.79 0.09 78.11 Average: 3 22.82 0.00 2.38 1.02 0.09 73.69 Average: 4 18.02 0.00 1.82 1.20 0.08 78.89 Average: 5 19.49 0.00 1.58 0.46 0.08 78.39 Average: 6 15.22 0.00 1.80 0.95 0.08 81.95 Average: 7 16.91 0.00 1.73 0.66 0.08 80.63