---> uname -a: Linux prd-centos8-docker-4c-4g-1606.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 830 11628 19 3303 14583 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:b0:0c:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.118/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85916sec preferred_lft 85916sec inet6 fe80::f816:3eff:feb0:cbc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:61:b5:be:e4 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::42:61ff:feb5:bee4/64 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) 12/27/2025 _x86_64_ (4 CPU) 08:02:29 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 166.23 16.59 149.63 3321.29 9959.70 08:05:01 AM 180.17 7.15 173.03 1025.92 9676.51 08:06:01 AM 29.07 0.05 29.02 1.07 7237.99 08:07:01 AM 5.40 2.75 2.65 136.51 232.98 08:08:01 AM 73.33 0.67 72.66 501.43 16084.57 08:09:01 AM 14.72 1.22 13.50 1589.61 6265.97 08:10:01 AM 120.91 0.07 120.84 9.73 3067.26 Average: 84.26 4.07 80.19 940.88 7503.62 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12990256 14961076 3151276 19.52 2688 2178912 1247352 7.26 159984 2603900 143276 08:05:01 AM 11455228 13763616 4686304 29.03 2688 2509616 2224932 12.94 251192 4013600 207216 08:06:01 AM 10753436 13065156 5388096 33.38 2688 2512764 2834512 16.49 259728 4705068 844 08:07:01 AM 9606332 11931160 6535200 40.49 2688 2525416 3970244 23.10 271852 5833316 3808 08:08:01 AM 8982372 11729784 7159160 44.35 2688 2937936 4353556 25.33 403356 6284188 100 08:09:01 AM 11274580 14258184 4866952 30.15 2688 3173148 1784908 10.38 454364 3948316 4932 08:10:01 AM 11880608 14897964 4260924 26.40 2688 3203304 1208408 7.03 650324 3140160 28448 Average: 10991830 13515277 5149702 31.90 2688 2720157 2517702 14.65 350114 4361221 55518 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 133.79 101.28 1556.11 22.95 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 349.57 275.06 4560.62 36.16 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 173.26 125.46 52.65 65.92 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 6.43 6.43 0.79 0.79 0.00 0.00 0.00 0.00 08:07:01 AM eth0 157.59 110.78 50.03 58.30 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 12.30 12.30 26.61 26.61 0.00 0.00 0.00 0.00 08:08:01 AM eth0 239.45 127.47 2830.68 12.92 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM vethaf623ab 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-fb41a78f21a0 5.68 5.66 25.63 0.94 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.88 0.88 0.04 0.04 0.00 0.00 0.00 0.00 08:09:01 AM eth0 156.19 120.21 2903.43 11.09 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 145.63 93.97 217.59 139.76 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.80 2.80 3.92 3.92 0.00 0.00 0.00 0.00 Average: eth0 193.64 136.32 1738.88 49.58 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 12/27/2025 _x86_64_ (4 CPU) 08:02:29 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 24.01 0.00 2.06 1.71 0.08 72.14 08:04:01 AM 0 36.78 0.00 2.61 2.62 0.08 57.91 08:04:01 AM 1 14.36 0.00 1.29 1.27 0.07 83.02 08:04:01 AM 2 33.46 0.00 3.23 1.94 0.08 61.28 08:04:01 AM 3 11.40 0.00 1.12 0.99 0.08 86.40 08:05:01 AM all 59.60 0.00 2.03 1.13 0.10 37.13 08:05:01 AM 0 70.69 0.00 1.81 0.45 0.12 26.94 08:05:01 AM 1 62.92 0.00 1.87 1.54 0.10 33.57 08:05:01 AM 2 55.05 0.00 2.46 1.59 0.10 40.80 08:05:01 AM 3 49.72 0.00 1.99 0.95 0.10 47.23 08:06:01 AM all 23.08 0.00 1.34 0.51 0.07 75.00 08:06:01 AM 0 22.95 0.00 1.24 0.47 0.07 75.28 08:06:01 AM 1 22.33 0.00 1.30 0.03 0.07 76.26 08:06:01 AM 2 25.13 0.00 0.97 0.02 0.07 73.82 08:06:01 AM 3 21.92 0.00 1.84 1.54 0.07 74.64 08:07:01 AM all 35.12 0.00 1.37 0.06 0.09 63.36 08:07:01 AM 0 23.83 0.00 1.57 0.00 0.08 74.51 08:07:01 AM 1 27.45 0.00 1.17 0.08 0.08 71.21 08:07:01 AM 2 63.79 0.00 1.75 0.13 0.12 34.21 08:07:01 AM 3 25.38 0.00 1.00 0.02 0.07 73.54 08:08:01 AM all 28.54 0.00 3.10 1.48 0.10 66.78 08:08:01 AM 0 25.87 0.00 3.43 2.15 0.10 68.45 08:08:01 AM 1 32.85 0.00 3.06 1.51 0.12 62.46 08:08:01 AM 2 27.54 0.00 3.57 2.17 0.10 66.63 08:08:01 AM 3 27.92 0.00 2.33 0.08 0.08 69.58 08:09:01 AM all 39.74 0.00 1.12 0.33 0.08 58.74 08:09:01 AM 0 43.48 0.00 0.98 0.02 0.08 55.43 08:09:01 AM 1 33.00 0.00 1.28 1.23 0.07 64.41 08:09:01 AM 2 38.17 0.00 1.12 0.03 0.07 60.61 08:09:01 AM 3 44.30 0.00 1.09 0.02 0.08 54.52 08:10:01 AM all 61.61 0.00 1.76 0.40 0.10 36.13 08:10:01 AM 0 64.99 0.00 0.83 0.00 0.10 34.07 08:10:01 AM 1 36.72 0.00 1.72 0.18 0.12 61.26 08:10:01 AM 2 74.63 0.00 3.16 0.35 0.12 21.74 08:10:01 AM 3 70.10 0.00 1.32 1.09 0.08 27.41 Average: all 38.82 0.00 1.82 0.80 0.09 58.46 Average: 0 41.24 0.00 1.78 0.81 0.09 56.08 Average: 1 32.81 0.00 1.67 0.84 0.09 64.60 Average: 2 45.41 0.00 2.32 0.89 0.09 51.29 Average: 3 35.84 0.00 1.53 0.67 0.08 61.88