---> uname -a: Linux prd-centos8-docker-4c-4g-4452.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 787 11657 19 3318 14626 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:8c:41:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.43/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85918sec preferred_lft 85918sec inet6 fe80::f816:3eff:fe8c:4193/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:40:fe:ad:b0 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::42:40ff:fefe:adb0/64 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) 01/31/2026 _x86_64_ (4 CPU) 08:02:22 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 201.92 18.48 183.44 3202.13 9968.28 08:05:01 AM 144.43 3.23 141.19 778.67 10238.51 08:06:01 AM 24.50 0.05 24.45 1.07 6360.09 08:07:01 AM 14.41 2.90 11.51 255.02 337.23 08:08:01 AM 84.59 0.57 84.02 409.80 18512.68 08:09:01 AM 14.35 1.22 13.13 1590.67 592.87 08:10:01 AM 129.36 0.45 128.91 63.86 9572.84 Average: 87.65 3.84 83.81 900.22 7940.73 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12886588 14899320 3254944 20.17 2688 2219580 1264836 7.36 165624 2699060 176844 08:05:01 AM 11275448 13586128 4866084 30.15 2688 2512024 2315572 13.47 261928 4181664 183092 08:06:01 AM 10815132 13130160 5326400 33.00 2688 2516184 2654476 15.44 262184 4639628 2292 08:07:01 AM 9974912 12314744 6166620 38.20 2688 2540224 3479752 20.24 273636 5461156 4008 08:08:01 AM 9403732 12163184 6737800 41.74 2688 2949708 3895732 22.66 404304 5859540 92 08:09:01 AM 10999932 14016912 5141600 31.85 2688 3205800 2051492 11.93 456656 4219168 201428 08:10:01 AM 11964864 15004912 4176668 25.88 2688 3225844 1163720 6.77 653504 3054236 23292 Average: 11045801 13587909 5095731 31.57 2688 2738481 2403654 13.98 353977 4302065 84435 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 190.07 155.66 2012.19 32.39 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 323.70 240.96 4091.88 34.58 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 191.85 123.85 65.80 71.28 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 3.77 3.77 0.49 0.49 0.00 0.00 0.00 0.00 08:07:01 AM eth0 121.11 75.02 34.98 47.42 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 13.06 13.06 26.76 26.76 0.00 0.00 0.00 0.00 08:08:01 AM eth0 246.29 130.65 2832.48 11.35 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 veth3a3c767 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-cc1c13b23b2b 5.56 5.46 25.60 0.92 0.00 0.00 0.00 0.00 08:09:01 AM lo 1.17 1.17 0.08 0.08 0.00 0.00 0.00 0.00 08:09:01 AM eth0 148.60 113.98 3127.44 10.53 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.05 0.07 0.00 0.00 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 41.48 28.61 13.33 124.08 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 2.57 2.57 3.91 3.91 0.00 0.00 0.00 0.00 Average: eth0 180.45 124.11 1739.82 47.37 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) 01/31/2026 _x86_64_ (4 CPU) 08:02:22 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 25.66 0.00 2.23 1.64 0.09 70.38 08:04:01 AM 0 28.10 0.00 2.16 1.65 0.10 67.99 08:04:01 AM 1 23.65 0.00 2.78 2.19 0.08 71.29 08:04:01 AM 2 26.17 0.00 1.67 0.90 0.07 71.19 08:04:01 AM 3 24.72 0.00 2.33 1.79 0.10 71.06 08:05:01 AM all 63.18 0.00 1.99 0.79 0.10 33.94 08:05:01 AM 0 65.49 0.00 1.52 0.74 0.10 32.15 08:05:01 AM 1 56.40 0.00 2.39 0.90 0.08 40.21 08:05:01 AM 2 64.10 0.00 1.71 0.75 0.10 33.34 08:05:01 AM 3 66.73 0.00 2.34 0.79 0.10 30.04 08:06:01 AM all 22.44 0.00 1.31 0.37 0.07 75.81 08:06:01 AM 0 20.90 0.00 1.19 0.40 0.07 77.44 08:06:01 AM 1 20.33 0.00 1.35 0.38 0.07 77.86 08:06:01 AM 2 26.40 0.00 1.37 0.37 0.08 71.78 08:06:01 AM 3 22.13 0.00 1.32 0.32 0.07 76.16 08:07:01 AM all 37.50 0.00 1.57 0.04 0.08 60.80 08:07:01 AM 0 39.15 0.00 1.20 0.07 0.08 59.50 08:07:01 AM 1 28.10 0.00 1.65 0.03 0.08 70.13 08:07:01 AM 2 55.68 0.00 2.01 0.07 0.10 42.14 08:07:01 AM 3 27.09 0.00 1.42 0.00 0.07 71.43 08:08:01 AM all 24.87 0.00 3.23 1.81 0.08 70.01 08:08:01 AM 0 28.03 0.00 3.20 3.77 0.08 64.92 08:08:01 AM 1 25.40 0.00 4.95 1.03 0.08 68.53 08:08:01 AM 2 24.47 0.00 2.52 1.87 0.08 71.05 08:08:01 AM 3 21.60 0.00 2.25 0.55 0.08 75.51 08:09:01 AM all 49.16 0.00 1.29 0.14 0.09 49.32 08:09:01 AM 0 54.63 0.00 1.55 0.38 0.10 43.33 08:09:01 AM 1 50.28 0.00 0.82 0.00 0.08 48.81 08:09:01 AM 2 51.26 0.00 0.95 0.12 0.08 47.58 08:09:01 AM 3 40.47 0.00 1.82 0.07 0.08 57.56 08:10:01 AM all 58.57 0.00 1.88 0.54 0.09 38.92 08:10:01 AM 0 67.01 0.00 1.99 0.35 0.08 30.57 08:10:01 AM 1 68.00 0.00 2.29 0.10 0.10 29.52 08:10:01 AM 2 38.31 0.00 1.86 0.85 0.08 58.90 08:10:01 AM 3 60.93 0.00 1.40 0.85 0.10 36.71 Average: all 40.22 0.00 1.93 0.76 0.09 57.01 Average: 0 43.35 0.00 1.83 1.05 0.09 53.69 Average: 1 38.91 0.00 2.32 0.66 0.08 58.03 Average: 2 40.93 0.00 1.73 0.70 0.09 56.56 Average: 3 37.68 0.00 1.84 0.62 0.09 59.77