---> uname -a: Linux prd-centos8-docker-4c-4g-4236.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: 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): 0-3 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 809 11895 19 3058 14607 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:8f:bb:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.92/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85888sec preferred_lft 85888sec inet6 fe80::f816:3eff:fe8f:bb40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e1:36:8b:e1 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:e1ff:fe36:8be1/64 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) 01/09/2026 _x86_64_ (4 CPU) 10:07:59 LINUX RESTART (4 CPU) 10:09:02 AM tps rtps wtps bread/s bwrtn/s 10:10:01 AM 177.74 18.37 159.37 3343.68 11248.92 10:11:01 AM 93.40 1.62 91.79 674.44 6100.77 10:12:01 AM 67.79 1.67 66.13 101.70 3515.39 10:13:01 AM 21.28 0.00 21.28 0.00 6319.28 10:14:01 AM 5.08 1.83 3.25 60.51 307.88 10:15:01 AM 79.86 1.67 78.19 500.82 15217.56 10:16:01 AM 23.53 0.47 23.06 64.52 3840.43 Average: 66.69 3.62 63.07 671.62 6639.34 10:09:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 AM 12600760 14608080 3540772 21.94 2688 2214552 1598380 9.30 163628 2985184 137188 10:11:01 AM 12241552 14339872 3899980 24.16 2688 2302800 1839828 10.70 218084 3275864 49484 10:12:01 AM 11108068 13430952 5033464 31.18 2688 2523900 2627176 15.28 262212 4346508 176720 10:13:01 AM 10044988 12374736 6096544 37.77 2688 2530452 3497840 20.35 264256 5406440 2184 10:14:01 AM 10032644 12370136 6108888 37.85 2688 2538032 3458656 20.12 266652 5416092 488 10:15:01 AM 7374224 10266648 8767308 54.32 2688 3082016 12290724 71.50 383660 7874576 96964 10:16:01 AM 12250572 15026740 3890960 24.11 2688 2965560 1120740 6.52 583656 2848364 26376 Average: 10807544 13202452 5333988 33.05 2688 2593902 3776192 21.97 306021 4593290 69915 10:09:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 AM eth0 149.90 120.06 1534.43 23.38 0.00 0.00 0.00 0.00 10:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 AM eth0 109.75 98.90 994.57 17.59 0.00 0.00 0.00 0.00 10:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 AM eth0 232.17 177.29 3334.33 26.44 0.00 0.00 0.00 0.00 10:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 AM eth0 22.46 20.10 4.47 24.63 0.00 0.00 0.00 0.00 10:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:01 AM eth0 13.98 13.91 2.87 16.20 0.00 0.00 0.00 0.00 10:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:15:01 AM lo 14.61 14.61 27.08 27.08 0.00 0.00 0.00 0.00 10:15:01 AM eth0 230.17 133.58 2828.57 11.33 0.00 0.00 0.00 0.00 10:15:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 10:15:01 AM vethee3b5df 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 10:15:01 AM br-93e3eed49e68 5.30 5.16 25.57 0.89 0.00 0.00 0.00 0.00 10:15:01 AM veth16cfe7e 5.76 5.21 25.66 0.87 0.00 0.00 0.00 0.00 10:15:01 AM vethb473248 10.26 10.98 26.50 26.56 0.00 0.00 0.00 0.00 10:16:01 AM lo 2.50 2.50 0.16 0.16 0.00 0.00 0.00 0.00 10:16:01 AM eth0 16.58 14.05 11.48 17.68 0.00 0.00 0.00 0.00 10:16:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.45 2.45 3.90 3.90 0.00 0.00 0.00 0.00 Average: eth0 110.63 82.47 1243.79 19.60 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) 01/09/2026 _x86_64_ (4 CPU) 10:07:59 LINUX RESTART (4 CPU) 10:09:02 AM CPU %user %nice %system %iowait %steal %idle 10:10:01 AM all 22.71 0.00 2.41 4.00 0.10 70.79 10:10:01 AM 0 21.58 0.00 1.27 2.45 0.10 74.59 10:10:01 AM 1 23.10 0.00 3.16 4.93 0.10 68.70 10:10:01 AM 2 17.66 0.00 3.23 4.93 0.10 74.07 10:10:01 AM 3 28.49 0.00 1.97 3.67 0.08 65.78 10:11:01 AM all 23.45 0.00 1.44 19.51 0.10 55.50 10:11:01 AM 0 21.66 0.00 1.34 12.76 0.10 64.14 10:11:01 AM 1 25.12 0.00 1.49 13.70 0.10 59.60 10:11:01 AM 2 26.20 0.00 1.22 13.28 0.08 59.21 10:11:01 AM 3 20.82 0.00 1.69 38.36 0.10 39.03 10:12:01 AM all 50.18 0.00 1.81 9.42 0.13 38.46 10:12:01 AM 0 44.41 0.00 1.29 1.77 0.12 52.41 10:12:01 AM 1 51.78 0.00 1.72 14.91 0.13 31.45 10:12:01 AM 2 52.57 0.00 1.97 7.82 0.13 37.50 10:12:01 AM 3 51.97 0.00 2.26 13.15 0.13 32.49 10:13:01 AM all 37.24 0.00 0.76 1.44 0.12 60.44 10:13:01 AM 0 32.15 0.00 0.85 4.56 0.12 62.32 10:13:01 AM 1 35.08 0.00 0.70 0.70 0.12 63.39 10:13:01 AM 2 34.78 0.00 0.44 0.02 0.13 64.63 10:13:01 AM 3 46.95 0.00 1.05 0.48 0.10 51.41 10:14:01 AM all 19.46 0.00 0.43 0.30 0.07 79.75 10:14:01 AM 0 15.87 0.00 0.33 0.23 0.07 83.49 10:14:01 AM 1 31.79 0.00 0.77 0.50 0.07 66.88 10:14:01 AM 2 12.82 0.00 0.33 0.25 0.07 86.53 10:14:01 AM 3 17.34 0.00 0.28 0.20 0.07 82.11 10:15:01 AM all 34.77 0.00 3.78 3.43 0.13 57.90 10:15:01 AM 0 31.79 0.00 3.20 3.49 0.13 61.39 10:15:01 AM 1 39.00 0.00 5.12 5.27 0.13 50.48 10:15:01 AM 2 32.50 0.00 3.49 4.05 0.12 59.84 10:15:01 AM 3 35.76 0.00 3.30 0.92 0.12 59.90 10:16:01 AM all 22.13 0.00 1.44 0.51 0.07 75.85 10:16:01 AM 0 11.71 0.00 1.34 0.75 0.07 86.13 10:16:01 AM 1 23.11 0.00 1.22 0.07 0.07 75.53 10:16:01 AM 2 23.07 0.00 1.84 0.27 0.08 74.74 10:16:01 AM 3 30.61 0.00 1.37 0.97 0.07 66.99 Average: all 30.00 0.00 1.72 5.52 0.10 62.66 Average: 0 25.60 0.00 1.37 3.72 0.10 69.21 Average: 1 32.73 0.00 2.02 5.73 0.10 59.42 Average: 2 28.54 0.00 1.78 4.37 0.10 65.20 Average: 3 33.14 0.00 1.70 8.25 0.10 56.81