---> uname -a: Linux prd-centos8-docker-4c-4g-1539.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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1024 10626 19 4112 14389 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:4d:0c:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86025sec preferred_lft 86025sec inet6 fe80::f816:3eff:fe4d:c09/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cd:55:9c:4e 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:cdff:fe55:9c4e/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) 12/27/2025 _x86_64_ (4 CPU) 03:28:30 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 206.61 6.59 200.02 1023.79 7086.46 03:31:01 AM 244.37 5.24 239.13 897.20 17155.19 03:32:01 AM 153.22 1.30 151.92 48.78 25076.32 03:33:01 AM 1033.49 95.08 938.41 1697.72 26168.67 03:34:01 AM 187.92 41.89 146.03 5575.87 8555.43 Average: 365.11 30.02 335.09 1848.68 16810.44 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13296260 15144472 2845272 17.63 2688 2058448 1062464 6.18 143500 2331532 233544 03:31:01 AM 11638656 13910564 4502876 27.90 2688 2470968 2543088 14.79 258172 3813232 175328 03:32:01 AM 11266980 14276460 4874552 30.20 2688 3145728 1649416 9.60 370244 3929440 187040 03:33:01 AM 9646264 13095520 6495268 40.24 2688 3442900 1748660 10.17 419656 5172436 12 03:34:01 AM 10951344 14792412 5190188 32.15 2688 3829392 1089336 6.34 532092 3765024 16952 Average: 11359901 14243886 4781631 29.62 2688 2989487 1618593 9.42 344733 3802333 122575 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 118.95 87.04 1408.18 31.59 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 03:31:01 AM eth0 405.14 282.71 5272.62 39.98 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 03:31:01 AM veth13e906e 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.08 6.08 4.57 4.57 0.00 0.00 0.00 0.00 03:32:01 AM eth0 147.08 115.39 1336.28 21.04 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.42 3.07 4.09 0.44 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 54.97 31.54 591.46 5.42 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 236.95 173.48 3089.47 49.11 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.25 1.25 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 192.69 138.08 2340.47 29.43 0.00 0.00 0.00 0.00 Average: docker0 0.70 0.65 0.82 0.09 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) 12/27/2025 _x86_64_ (4 CPU) 03:28:30 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 19.60 0.00 2.08 1.09 0.08 77.15 03:30:01 AM 0 23.13 0.00 1.90 0.38 0.08 74.50 03:30:01 AM 1 35.59 0.00 3.26 0.75 0.08 60.31 03:30:01 AM 2 8.15 0.00 1.04 0.30 0.08 90.42 03:30:01 AM 3 11.45 0.00 2.13 2.92 0.07 83.43 03:31:01 AM all 33.42 0.00 2.47 1.71 0.12 62.28 03:31:01 AM 0 31.22 0.00 2.58 1.59 0.10 64.51 03:31:01 AM 1 35.20 0.00 1.96 2.11 0.12 60.61 03:31:01 AM 2 32.01 0.00 2.38 1.41 0.12 64.09 03:31:01 AM 3 35.23 0.00 2.97 1.74 0.15 59.90 03:32:01 AM all 32.14 0.10 5.18 1.49 0.11 60.98 03:32:01 AM 0 39.01 0.05 4.85 0.07 0.12 55.91 03:32:01 AM 1 31.06 0.12 5.69 0.94 0.10 62.09 03:32:01 AM 2 34.36 0.07 5.21 1.40 0.10 58.86 03:32:01 AM 3 24.14 0.15 4.99 3.54 0.10 67.08 03:33:01 AM all 30.93 0.00 6.99 7.66 0.13 54.29 03:33:01 AM 0 21.98 0.00 5.78 5.73 0.13 66.37 03:33:01 AM 1 26.96 0.00 6.34 6.44 0.12 60.14 03:33:01 AM 2 19.24 0.00 7.26 7.64 0.12 65.74 03:33:01 AM 3 55.72 0.00 8.59 10.84 0.15 24.70 03:34:01 AM all 50.07 0.00 2.46 1.11 0.11 46.25 03:34:01 AM 0 49.11 0.00 1.65 0.25 0.10 48.89 03:34:01 AM 1 45.56 0.00 2.43 0.92 0.12 50.98 03:34:01 AM 2 45.17 0.00 3.28 2.33 0.10 49.12 03:34:01 AM 3 60.45 0.00 2.47 0.94 0.12 36.02 Average: all 33.24 0.02 3.83 2.60 0.11 60.20 Average: 0 32.89 0.01 3.35 1.60 0.11 62.04 Average: 1 34.89 0.02 3.93 2.23 0.11 58.82 Average: 2 27.80 0.01 3.83 2.61 0.10 65.65 Average: 3 37.38 0.03 4.22 3.98 0.12 54.27