---> uname -a: Linux prd-centos8-docker-4c-4g-305.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1557 10784 19 3420 13858 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:ec:3d:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.133/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85955sec preferred_lft 85955sec inet6 fe80::f816:3eff:feec:3d63/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:05:72:43:67 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::42:5ff:fe72:4367/64 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) 04/11/2026 _x86_64_ (4 CPU) 00:32:42 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 271.78 20.63 251.15 4248.05 8737.87 12:35:01 AM 235.04 22.10 212.95 4235.56 23901.08 12:36:01 AM 75.52 0.05 75.47 1.07 8638.25 12:37:01 AM 3.92 0.00 3.92 0.00 263.12 12:38:01 AM 81.56 3.46 78.09 639.01 15385.99 12:39:01 AM 34.22 2.63 31.59 74.24 2066.13 12:40:01 AM 26.80 0.42 26.38 56.12 1666.19 Average: 104.12 7.04 97.08 1321.98 8665.68 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13179096 15025096 2962436 18.35 2688 2056392 1168524 6.80 145156 2447716 217944 12:35:01 AM 11848752 14319832 4292780 26.59 2688 2674464 1745024 10.15 251768 3629788 56372 12:36:01 AM 9877204 12536148 6264328 38.81 2688 2859564 3262440 18.98 280588 5558316 3260 12:37:01 AM 9641256 12305520 6500276 40.27 2688 2864676 3454992 20.10 280752 5793208 3280 12:38:01 AM 6255076 9416204 9886456 61.25 2688 3350464 13037940 75.85 399360 8975008 22624 12:39:01 AM 11768892 14907312 4372640 27.09 2688 3327856 1158232 6.74 437812 3475080 18516 12:40:01 AM 11078300 14224536 5063232 31.37 2688 3334916 1821860 10.60 681960 3919176 23196 Average: 10521225 13247807 5620307 34.82 2688 2924047 3664145 21.32 353914 4828327 49313 12:33:01 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 413.40 235.60 2002.53 71.44 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 448.94 289.47 7283.43 46.14 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 249.32 163.25 2855.22 50.25 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 290.27 182.87 89.82 85.53 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 14.39 14.39 27.18 27.18 0.00 0.00 0.00 0.00 12:38:01 AM eth0 215.59 123.54 2828.01 15.48 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:38:01 AM vethd25c710 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-e17335e543cc 5.51 5.45 25.59 0.91 0.00 0.00 0.00 0.00 12:38:01 AM vetha1e6566 6.01 5.36 25.68 0.88 0.00 0.00 0.00 0.00 12:38:01 AM vethe309df5 10.63 11.49 26.53 26.59 0.00 0.00 0.00 0.00 12:39:01 AM lo 2.87 2.87 0.18 0.18 0.00 0.00 0.00 0.00 12:39:01 AM eth0 223.89 149.63 612.83 59.16 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM eth0 86.37 50.89 35.28 162.61 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.47 2.47 3.91 3.91 0.00 0.00 0.00 0.00 Average: eth0 275.40 170.75 2243.87 70.08 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) 04/11/2026 _x86_64_ (4 CPU) 00:32:42 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 23.60 0.00 2.63 1.05 0.08 72.63 12:34:01 AM 0 21.31 0.00 2.91 0.53 0.08 75.16 12:34:01 AM 1 21.18 0.00 2.54 0.74 0.10 75.44 12:34:01 AM 2 33.41 0.00 3.90 2.61 0.08 60.00 12:34:01 AM 3 18.52 0.00 1.19 0.32 0.07 79.91 12:35:01 AM all 48.50 0.00 2.35 1.43 0.11 47.61 12:35:01 AM 0 54.77 0.00 2.26 1.07 0.13 41.77 12:35:01 AM 1 42.66 0.00 2.98 1.37 0.10 52.88 12:35:01 AM 2 52.36 0.00 2.34 1.66 0.10 43.54 12:35:01 AM 3 44.21 0.00 1.82 1.62 0.10 52.24 12:36:01 AM all 53.19 0.00 1.66 0.37 0.10 44.67 12:36:01 AM 0 55.47 0.00 1.44 0.13 0.10 42.86 12:36:01 AM 1 45.98 0.00 1.62 0.35 0.12 51.94 12:36:01 AM 2 50.44 0.00 1.35 0.23 0.10 47.87 12:36:01 AM 3 60.88 0.00 2.24 0.77 0.10 36.01 12:37:01 AM all 14.71 0.00 1.18 0.01 0.06 84.04 12:37:01 AM 0 15.23 0.00 0.85 0.02 0.05 83.85 12:37:01 AM 1 10.84 0.00 1.12 0.00 0.05 87.99 12:37:01 AM 2 8.38 0.00 1.47 0.00 0.07 90.08 12:37:01 AM 3 24.40 0.00 1.27 0.03 0.07 74.23 12:38:01 AM all 43.28 0.00 3.18 0.97 0.14 52.44 12:38:01 AM 0 38.11 0.00 3.11 0.76 0.13 57.89 12:38:01 AM 1 45.83 0.00 2.99 1.75 0.13 49.29 12:38:01 AM 2 39.94 0.00 2.60 0.89 0.17 56.40 12:38:01 AM 3 49.25 0.00 4.01 0.47 0.12 46.15 12:39:01 AM all 21.99 0.00 1.48 0.13 0.09 76.32 12:39:01 AM 0 23.00 0.00 1.45 0.07 0.08 75.40 12:39:01 AM 1 23.51 0.00 1.19 0.05 0.08 75.17 12:39:01 AM 2 20.26 0.00 1.31 0.13 0.10 78.20 12:39:01 AM 3 21.18 0.00 1.96 0.27 0.08 76.51 12:40:01 AM all 28.33 0.00 1.38 0.11 0.07 70.10 12:40:01 AM 0 28.99 0.00 1.08 0.03 0.07 69.83 12:40:01 AM 1 18.41 0.00 1.50 0.12 0.07 79.91 12:40:01 AM 2 43.79 0.00 1.85 0.20 0.08 54.08 12:40:01 AM 3 22.15 0.00 1.09 0.10 0.07 76.60 Average: all 33.37 0.00 1.98 0.58 0.09 63.98 Average: 0 33.83 0.00 1.87 0.37 0.09 63.83 Average: 1 29.75 0.00 1.99 0.62 0.09 67.54 Average: 2 35.51 0.00 2.12 0.82 0.10 61.46 Average: 3 34.36 0.00 1.94 0.51 0.09 63.10