---> uname -a: Linux prd-centos8-docker-8c-8g-12031.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 1049 27212 19 3628 30381 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:8f:a8:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.47/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe8f:a81c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f5:13:bc:e2 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:f5ff:fe13:bce2/64 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) 11/12/2025 _x86_64_ (8 CPU) 03:37:19 LINUX RESTART (8 CPU) 03:38:02 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 205.44 14.71 190.73 3251.78 12289.36 03:40:01 AM 400.58 6.38 394.20 1207.20 12602.03 03:41:01 AM 203.42 1.82 201.60 438.25 43029.72 Average: 270.17 7.60 262.58 1623.37 22698.18 03:38:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28940980 30841584 3714732 11.38 2688 2217192 1783080 5.29 160928 3085312 110388 03:40:01 AM 27847516 30217868 4808196 14.72 2688 2678088 2191088 6.50 387252 3914820 264616 03:41:01 AM 27878588 31110692 4777124 14.63 2688 3528492 1544936 4.58 639364 3594196 150692 Average: 28222361 30723381 4433351 13.58 2688 2807924 1839701 5.46 395848 3531443 175232 03:38:02 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 194.80 167.01 2136.77 34.15 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 558.06 451.65 6720.96 57.86 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 418.79 356.25 5038.89 1374.72 0.00 0.00 0.00 0.00 03:41:01 AM docker0 11.71 15.00 0.67 307.71 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 391.65 325.85 4646.14 491.45 0.00 0.00 0.00 0.00 Average: docker0 3.93 5.03 0.23 103.14 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) 11/12/2025 _x86_64_ (8 CPU) 03:37:19 LINUX RESTART (8 CPU) 03:38:02 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 11.66 0.00 1.04 0.66 0.06 86.58 03:39:01 AM 0 9.68 0.00 1.02 0.82 0.07 88.42 03:39:01 AM 1 9.68 0.00 0.98 0.70 0.07 88.57 03:39:01 AM 2 3.99 0.00 0.54 0.61 0.07 94.79 03:39:01 AM 3 12.04 0.00 1.14 0.70 0.07 86.05 03:39:01 AM 4 29.63 0.00 1.90 0.54 0.05 67.87 03:39:01 AM 5 12.22 0.00 1.56 0.90 0.05 85.27 03:39:01 AM 6 12.22 0.00 0.61 0.78 0.05 86.33 03:39:01 AM 7 3.77 0.00 0.56 0.22 0.05 95.40 03:40:01 AM all 25.35 0.00 1.60 1.65 0.08 71.32 03:40:01 AM 0 16.52 0.00 1.78 1.54 0.08 80.08 03:40:01 AM 1 34.72 0.00 1.71 2.35 0.08 61.14 03:40:01 AM 2 26.42 0.00 2.69 2.22 0.08 68.59 03:40:01 AM 3 31.13 0.00 1.10 1.04 0.07 66.66 03:40:01 AM 4 26.59 0.00 1.73 2.72 0.08 68.88 03:40:01 AM 5 23.41 0.00 1.19 0.82 0.07 74.51 03:40:01 AM 6 19.33 0.00 1.46 2.30 0.07 76.85 03:40:01 AM 7 24.68 0.00 1.16 0.25 0.08 73.83 03:41:01 AM all 16.37 0.00 3.09 1.50 0.09 78.96 03:41:01 AM 0 17.44 0.00 2.80 0.59 0.08 79.09 03:41:01 AM 1 18.37 0.00 4.44 2.27 0.10 74.81 03:41:01 AM 2 17.44 0.00 3.31 2.32 0.08 76.84 03:41:01 AM 3 11.35 0.00 2.79 1.75 0.08 84.03 03:41:01 AM 4 20.68 0.00 3.21 0.92 0.10 75.09 03:41:01 AM 5 14.56 0.00 2.79 2.81 0.10 79.74 03:41:01 AM 6 13.88 0.00 2.74 0.94 0.07 82.38 03:41:01 AM 7 17.22 0.00 2.67 0.40 0.07 79.64 Average: all 17.82 0.00 1.91 1.27 0.07 78.92 Average: 0 14.56 0.00 1.87 0.98 0.08 82.51 Average: 1 20.98 0.00 2.38 1.78 0.08 74.78 Average: 2 16.01 0.00 2.19 1.72 0.08 80.01 Average: 3 18.21 0.00 1.68 1.16 0.07 78.87 Average: 4 25.62 0.00 2.28 1.40 0.08 70.62 Average: 5 16.75 0.00 1.85 1.51 0.07 79.82 Average: 6 15.16 0.00 1.61 1.34 0.06 81.84 Average: 7 15.27 0.00 1.47 0.29 0.07 82.90