---> uname -a: Linux prd-centos8-docker-4c-4g-21.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 1435 11047 19 3280 13980 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:b7:a1:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.242/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85952sec preferred_lft 85952sec inet6 fe80::f816:3eff:feb7:a13d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ef:8b:a6:19 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:efff:fe8b:a619/64 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) 03/28/2026 _x86_64_ (4 CPU) 00:32:27 LINUX RESTART (4 CPU) 12:33:03 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 162.27 16.06 146.21 3341.47 10063.67 12:35:01 AM 206.41 7.35 199.07 1029.71 16081.73 12:36:01 AM 29.53 0.00 29.53 0.00 7713.29 12:37:01 AM 5.08 1.83 3.25 138.75 319.04 12:38:01 AM 89.70 1.68 88.02 572.57 16080.89 12:39:01 AM 30.27 2.60 27.67 73.58 1235.92 Average: 86.79 4.86 81.94 845.43 8574.29 12:33:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12774476 14927228 3367048 20.86 2688 2361628 1281396 7.45 182656 2801272 322420 12:35:01 AM 11128068 13638824 5013456 31.06 2688 2711872 2371632 13.80 261876 4329028 221408 12:36:01 AM 10160788 12677684 5980736 37.05 2688 2717768 3211892 18.68 274368 5280324 3128 12:37:01 AM 9153464 11681160 6988060 43.29 2688 2728272 4165252 24.23 276900 6281336 1592 12:38:01 AM 8458556 11410744 7682968 47.60 2688 3142252 4715268 27.43 415316 6794172 120 12:39:01 AM 11397184 14397400 4744340 29.39 2688 3190052 1664452 9.68 475136 3809676 24220 Average: 10512089 13122173 5629435 34.88 2688 2808641 2901649 16.88 314375 4882635 95481 12:33:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 240.09 147.12 4134.50 25.99 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 373.37 291.42 4857.21 39.59 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 134.95 85.45 47.36 60.71 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 297.25 197.08 87.51 77.52 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 15.98 15.98 27.23 27.23 0.00 0.00 0.00 0.00 12:38:01 AM eth0 203.55 129.16 2828.38 11.84 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 12:38:01 AM vethfa1d73a 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-d858a1a35a73 5.83 5.65 25.62 0.94 0.00 0.00 0.00 0.00 12:39:01 AM lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 12:39:01 AM eth0 234.36 154.30 616.18 61.91 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.86 2.86 4.57 4.57 0.00 0.00 0.00 0.00 Average: eth0 247.30 167.54 2083.76 46.37 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 03/28/2026 _x86_64_ (4 CPU) 00:32:27 LINUX RESTART (4 CPU) 12:33:03 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 22.66 0.00 2.15 0.99 0.08 74.11 12:34:01 AM 0 13.72 0.00 2.21 1.83 0.09 82.15 12:34:01 AM 1 24.00 0.00 1.87 0.52 0.09 73.53 12:34:01 AM 2 27.53 0.00 2.44 0.66 0.07 69.31 12:34:01 AM 3 25.41 0.00 2.09 0.97 0.09 71.45 12:35:01 AM all 55.40 0.00 2.06 0.87 0.09 41.58 12:35:01 AM 0 51.66 0.00 2.12 0.89 0.10 45.23 12:35:01 AM 1 52.27 0.00 2.09 0.75 0.08 44.81 12:35:01 AM 2 61.56 0.00 2.11 0.99 0.08 35.26 12:35:01 AM 3 56.13 0.00 1.91 0.85 0.10 41.01 12:36:01 AM all 39.60 0.00 1.33 0.22 0.08 58.78 12:36:01 AM 0 45.17 0.00 1.05 0.35 0.08 53.34 12:36:01 AM 1 43.49 0.00 0.97 0.00 0.07 55.47 12:36:01 AM 2 47.70 0.00 1.44 0.25 0.08 50.53 12:36:01 AM 3 22.01 0.00 1.85 0.27 0.08 75.78 12:37:01 AM all 21.69 0.00 1.20 0.03 0.08 77.01 12:37:01 AM 0 16.94 0.00 0.82 0.02 0.08 82.14 12:37:01 AM 1 12.36 0.00 1.22 0.02 0.07 86.33 12:37:01 AM 2 22.13 0.00 1.50 0.07 0.08 76.22 12:37:01 AM 3 35.31 0.00 1.27 0.00 0.07 63.35 12:38:01 AM all 32.89 0.00 3.18 1.32 0.10 62.50 12:38:01 AM 0 34.02 0.00 3.26 1.68 0.08 60.96 12:38:01 AM 1 26.81 0.00 3.57 1.50 0.12 68.00 12:38:01 AM 2 36.96 0.00 3.34 1.60 0.08 58.02 12:38:01 AM 3 33.76 0.00 2.55 0.52 0.10 63.06 12:39:01 AM all 36.27 0.00 1.22 0.18 0.08 62.26 12:39:01 AM 0 24.62 0.00 1.15 0.35 0.08 73.80 12:39:01 AM 1 39.34 0.00 1.17 0.05 0.07 59.37 12:39:01 AM 2 37.21 0.00 1.84 0.27 0.08 60.60 12:39:01 AM 3 43.88 0.00 0.72 0.07 0.07 55.27 Average: all 34.82 0.00 1.85 0.60 0.08 62.65 Average: 0 31.12 0.00 1.77 0.85 0.09 66.18 Average: 1 33.11 0.00 1.81 0.47 0.08 64.53 Average: 2 38.91 0.00 2.11 0.64 0.08 58.26 Average: 3 36.14 0.00 1.73 0.44 0.08 61.60