---> uname -a: Linux prd-centos8-docker-8c-8g-360.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 12G 149G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1043 27370 19 3476 30389 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:82:25:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.84/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe82:2567/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4d:a7:8e:40 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::42:4dff:fea7:8e40/64 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) 12/17/2025 _x86_64_ (8 CPU) 17:11:23 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 163.20 14.61 148.58 3101.77 10427.09 05:14:01 PM 349.23 5.55 343.68 1231.93 13363.07 05:15:01 PM 227.89 2.40 225.49 411.33 41680.37 Average: 246.76 7.52 239.24 1581.69 21823.98 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29214992 31074208 3440720 10.54 2688 2177016 1832024 5.44 155956 2827032 146196 05:14:01 PM 27986604 30243620 4669108 14.30 2688 2566948 2173260 6.45 382868 3792616 197144 05:15:01 PM 28068636 31152820 4587076 14.05 2688 3384048 1483148 4.40 793604 3263480 76048 Average: 28423411 30823549 4232301 12.96 2688 2709337 1829477 5.43 444143 3294376 139796 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 129.94 107.75 1459.68 33.22 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 403.30 338.81 5565.48 47.43 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 545.92 432.09 5982.16 1258.95 0.00 0.00 0.00 0.00 05:15:01 PM docker0 5.61 11.86 0.45 243.54 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 359.72 292.88 4335.71 446.56 0.00 0.00 0.00 0.00 Average: docker0 1.87 3.95 0.15 81.18 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) 12/17/2025 _x86_64_ (8 CPU) 17:11:23 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 10.85 0.00 1.01 0.56 0.08 87.50 05:13:01 PM 0 8.05 0.00 0.72 0.22 0.08 90.93 05:13:01 PM 1 7.13 0.00 1.07 1.15 0.13 90.51 05:13:01 PM 2 24.64 0.00 2.74 0.67 0.08 71.86 05:13:01 PM 3 16.25 0.00 1.20 0.58 0.08 81.87 05:13:01 PM 4 4.10 0.00 0.47 0.23 0.07 95.13 05:13:01 PM 5 10.69 0.00 0.90 0.40 0.05 87.96 05:13:01 PM 6 4.93 0.00 0.35 0.28 0.07 94.37 05:13:01 PM 7 11.04 0.00 0.60 0.97 0.05 87.34 05:14:01 PM all 26.33 0.00 1.65 1.36 0.11 70.54 05:14:01 PM 0 18.30 0.00 1.48 0.25 0.08 79.88 05:14:01 PM 1 36.52 0.00 1.51 1.44 0.10 60.43 05:14:01 PM 2 22.61 0.00 1.83 1.31 0.12 74.14 05:14:01 PM 3 25.42 0.00 1.44 1.41 0.10 71.63 05:14:01 PM 4 25.95 0.00 1.56 0.75 0.15 71.58 05:14:01 PM 5 31.11 0.00 1.29 1.09 0.10 66.41 05:14:01 PM 6 31.46 0.00 2.87 3.34 0.10 62.22 05:14:01 PM 7 19.24 0.00 1.26 1.33 0.10 78.07 05:15:01 PM all 16.53 0.00 2.92 1.69 0.09 78.76 05:15:01 PM 0 21.37 0.00 2.84 0.44 0.10 75.25 05:15:01 PM 1 11.70 0.00 2.94 3.53 0.12 81.71 05:15:01 PM 2 16.99 0.00 3.24 2.54 0.08 77.14 05:15:01 PM 3 9.65 0.00 3.28 0.84 0.08 86.15 05:15:01 PM 4 14.79 0.00 3.33 1.18 0.08 80.62 05:15:01 PM 5 20.93 0.00 2.72 0.82 0.08 75.44 05:15:01 PM 6 13.10 0.00 2.27 1.66 0.08 82.89 05:15:01 PM 7 23.73 0.00 2.76 2.54 0.10 70.87 Average: all 17.90 0.00 1.86 1.21 0.09 78.95 Average: 0 15.89 0.00 1.68 0.30 0.09 82.04 Average: 1 18.45 0.00 1.84 2.04 0.12 77.56 Average: 2 21.42 0.00 2.60 1.50 0.09 74.38 Average: 3 17.11 0.00 1.97 0.94 0.09 79.88 Average: 4 14.93 0.00 1.78 0.72 0.10 82.47 Average: 5 20.90 0.00 1.64 0.77 0.08 76.61 Average: 6 16.48 0.00 1.83 1.76 0.08 79.85 Average: 7 17.99 0.00 1.54 1.61 0.08 78.78