---> uname -a: Linux prd-centos8-docker-4c-4g-20376.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 1516 11100 19 3147 13900 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:e7:68:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.6/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85924sec preferred_lft 85924sec inet6 fe80::f816:3eff:fee7:680b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3a:6d:c5:f1 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::42:3aff:fe6d:c5f1/64 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) 12/13/2025 _x86_64_ (4 CPU) 00:32:23 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 129.46 16.41 113.05 3320.36 7918.79 12:35:01 AM 192.64 7.40 185.24 1030.55 13466.07 12:36:01 AM 70.70 0.00 70.70 0.00 7894.78 12:37:01 AM 3.53 0.00 3.53 0.00 275.99 12:38:02 AM 60.87 3.28 57.59 555.46 15040.85 12:39:01 AM 38.35 0.03 38.32 4.07 4684.36 12:40:00 AM 25.42 3.08 22.34 138.11 1237.36 Average: 74.55 4.33 70.22 723.39 7227.60 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13052252 15012220 3089280 19.14 2688 2168992 1228688 7.15 158500 2552276 182868 12:35:01 AM 12145888 14348596 3995644 24.75 2688 2406064 1700336 9.89 237636 3347648 42196 12:36:01 AM 10155728 12540988 5985804 37.08 2688 2585876 3381840 19.67 266228 5292852 3396 12:37:01 AM 10004332 12394908 6137200 38.02 2688 2590964 3413632 19.86 266360 5442848 2772 12:38:02 AM 6586484 9437108 9555048 59.20 2688 3040156 13054708 75.94 386228 8655920 304 12:39:01 AM 12182360 15024128 3959172 24.53 2688 3031156 1120536 6.52 415468 3079260 1800 12:40:00 AM 11436136 14303596 4705396 29.15 2688 3056384 1748540 10.17 658520 3582892 24616 Average: 10794740 13294506 5346792 33.12 2688 2697085 3664040 21.31 341277 4564814 36850 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 130.71 88.17 1354.08 18.73 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 236.81 201.97 3148.31 31.67 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 226.18 153.27 2759.66 38.51 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 344.10 229.54 100.65 101.86 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 12:38:02 AM lo 12.41 12.41 14.89 14.89 0.00 0.00 0.00 0.00 12:38:02 AM eth0 218.62 139.43 2830.96 17.58 0.00 0.00 0.00 0.00 12:38:02 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 12:38:02 AM vethbb27cc3 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 12:38:02 AM br-b62398ce52ad 3.40 3.46 13.62 0.51 0.00 0.00 0.00 0.00 12:38:02 AM vethbb641c7 3.48 3.40 13.66 0.50 0.00 0.00 0.00 0.00 12:38:02 AM veth5a7f647 6.56 6.98 14.14 14.17 0.00 0.00 0.00 0.00 12:39:01 AM lo 6.66 6.66 12.83 12.83 0.00 0.00 0.00 0.00 12:39:01 AM eth0 30.37 28.13 262.80 7.44 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.12 0.14 0.00 0.01 0.00 0.00 0.00 0.00 12:40:00 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:00 AM eth0 566.39 218.64 481.28 280.22 0.00 0.00 0.00 0.00 12:40:00 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.72 2.72 3.94 3.94 0.00 0.00 0.00 0.00 Average: eth0 250.76 151.56 1566.48 70.86 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) 12/13/2025 _x86_64_ (4 CPU) 00:32:23 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 21.99 0.00 1.87 0.74 0.08 75.31 12:34:01 AM 0 17.07 0.00 1.61 0.77 0.08 80.47 12:34:01 AM 1 31.57 0.00 2.82 0.67 0.08 64.86 12:34:01 AM 2 24.62 0.00 1.87 0.97 0.08 72.46 12:34:01 AM 3 14.66 0.00 1.19 0.55 0.08 83.51 12:35:01 AM all 45.54 0.00 1.95 1.26 0.09 51.16 12:35:01 AM 0 49.75 0.00 1.32 0.78 0.08 48.06 12:35:01 AM 1 48.38 0.00 2.06 0.75 0.08 48.72 12:35:01 AM 2 43.48 0.00 2.16 1.49 0.08 52.79 12:35:01 AM 3 40.55 0.00 2.26 2.02 0.10 55.07 12:36:01 AM all 52.67 0.00 1.60 0.66 0.08 45.00 12:36:01 AM 0 60.51 0.00 2.16 0.22 0.08 37.03 12:36:01 AM 1 52.51 0.00 1.37 0.70 0.08 45.34 12:36:01 AM 2 42.03 0.00 1.59 0.47 0.08 55.83 12:36:01 AM 3 55.63 0.00 1.27 1.24 0.07 41.80 12:37:01 AM all 14.37 0.00 1.40 0.01 0.08 84.14 12:37:01 AM 0 8.57 0.00 1.57 0.03 0.08 89.75 12:37:01 AM 1 15.49 0.00 1.19 0.00 0.08 83.24 12:37:01 AM 2 12.68 0.00 1.29 0.00 0.07 85.96 12:37:01 AM 3 20.72 0.00 1.57 0.02 0.07 77.63 12:38:02 AM all 43.63 0.00 2.94 0.71 0.08 52.64 12:38:02 AM 0 36.53 0.00 3.14 0.72 0.08 59.53 12:38:02 AM 1 37.96 0.00 2.28 0.42 0.07 59.27 12:38:02 AM 2 30.04 0.00 2.87 0.59 0.10 66.40 12:38:02 AM 3 69.95 0.00 3.46 1.11 0.08 25.40 12:39:01 AM all 19.59 0.00 1.41 0.24 0.08 78.68 12:39:01 AM 0 22.46 0.00 0.63 0.25 0.08 76.58 12:39:01 AM 1 17.30 0.00 0.88 0.24 0.07 81.51 12:39:01 AM 2 16.19 0.00 0.99 0.20 0.10 82.52 12:39:01 AM 3 22.40 0.00 3.16 0.25 0.07 74.12 12:40:00 AM all 33.05 0.00 1.48 0.12 0.06 65.28 12:40:00 AM 0 28.90 0.00 1.09 0.02 0.05 69.94 12:40:00 AM 1 41.07 0.00 0.99 0.13 0.08 57.72 12:40:00 AM 2 17.79 0.00 1.48 0.15 0.07 80.51 12:40:00 AM 3 44.42 0.00 2.37 0.18 0.05 52.98 Average: all 33.00 0.00 1.81 0.53 0.08 64.58 Average: 0 31.99 0.00 1.65 0.40 0.08 65.88 Average: 1 34.92 0.00 1.66 0.42 0.08 62.92 Average: 2 26.72 0.00 1.75 0.55 0.08 70.89 Average: 3 38.36 0.00 2.18 0.77 0.07 58.62