---> uname -a: Linux prd-centos8-docker-8c-8g-696.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 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1043 27174 19 3672 30387 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:4d:f8:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.182/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fe4d:f824/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e5:fb:e0:12 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:e5ff:fefb:e012/64 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) 03/30/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:02 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 263.17 14.84 248.32 3278.62 14358.57 05:15:01 PM 362.01 4.82 357.20 1166.01 13221.64 05:16:01 PM 205.63 2.38 203.25 384.41 39762.41 Average: 277.01 7.30 269.71 1600.36 22492.72 05:13:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28762012 30817632 3893700 11.92 2688 2368644 1862856 5.53 201540 3210416 152952 05:15:01 PM 27834172 30222900 4821540 14.76 2688 2695432 2217908 6.58 399928 3911552 141716 05:16:01 PM 26642280 29855016 6013432 18.41 2688 3509872 2519632 7.48 638884 4830404 74948 Average: 27746155 30298516 4909557 15.03 2688 2857983 2200132 6.53 413451 3984124 123205 05:13:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 339.19 293.12 3331.71 54.43 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 365.51 301.15 4595.46 39.99 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 501.08 417.69 5965.22 1267.39 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.73 15.68 0.56 257.57 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 402.28 337.57 4638.05 456.17 0.00 0.00 0.00 0.00 Average: docker0 2.59 5.26 0.19 86.34 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) 03/30/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:02 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 14.81 0.00 1.36 0.77 0.08 82.99 05:14:01 PM 0 18.94 0.00 0.68 0.29 0.08 80.00 05:14:01 PM 1 20.42 0.00 1.75 1.48 0.10 76.25 05:14:01 PM 2 8.74 0.00 0.80 0.56 0.07 89.83 05:14:01 PM 3 16.05 0.00 2.30 1.16 0.09 80.41 05:14:01 PM 4 12.57 0.00 1.34 0.51 0.07 85.51 05:14:01 PM 5 15.38 0.00 1.60 0.95 0.07 82.00 05:14:01 PM 6 13.56 0.00 1.02 0.56 0.07 84.79 05:14:01 PM 7 12.80 0.00 1.36 0.63 0.07 85.15 05:15:01 PM all 24.08 0.00 1.41 4.97 0.08 69.46 05:15:01 PM 0 27.23 0.00 0.82 0.60 0.07 71.28 05:15:01 PM 1 19.79 0.00 1.06 6.38 0.07 72.71 05:15:01 PM 2 23.03 0.00 1.07 10.23 0.10 65.57 05:15:01 PM 3 28.66 0.00 2.67 10.07 0.08 58.52 05:15:01 PM 4 11.69 0.00 1.21 3.00 0.10 83.99 05:15:01 PM 5 14.11 0.00 1.00 0.64 0.08 84.16 05:15:01 PM 6 38.41 0.00 1.57 5.47 0.08 54.46 05:15:01 PM 7 29.65 0.00 1.87 3.39 0.07 65.02 05:16:01 PM all 14.76 0.00 2.40 4.36 0.06 78.42 05:16:01 PM 0 7.27 0.00 1.88 1.56 0.08 89.21 05:16:01 PM 1 8.35 0.00 2.89 3.12 0.08 85.56 05:16:01 PM 2 10.47 0.00 2.40 4.41 0.05 82.67 05:16:01 PM 3 19.07 0.00 2.85 6.50 0.07 71.52 05:16:01 PM 4 11.60 0.00 2.00 0.45 0.05 85.90 05:16:01 PM 5 24.87 0.00 1.69 2.55 0.05 70.84 05:16:01 PM 6 20.87 0.00 3.26 14.27 0.07 61.54 05:16:01 PM 7 15.54 0.00 2.26 2.00 0.07 80.13 Average: all 17.90 0.00 1.72 3.38 0.07 76.93 Average: 0 17.82 0.00 1.13 0.82 0.08 80.16 Average: 1 16.17 0.00 1.90 3.67 0.08 78.18 Average: 2 14.11 0.00 1.43 5.09 0.07 79.30 Average: 3 21.28 0.00 2.60 5.93 0.08 70.11 Average: 4 11.95 0.00 1.52 1.33 0.07 85.13 Average: 5 18.13 0.00 1.43 1.38 0.07 78.99 Average: 6 24.34 0.00 1.95 6.79 0.07 66.85 Average: 7 19.37 0.00 1.83 2.01 0.07 76.71