---> uname -a: Linux prd-centos8-docker-4c-4g-131.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: 2799.974 BogoMIPS: 5599.94 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 1574 10267 19 3920 13839 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:90:54:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.23/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:fe90:54d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:69:8f:7e:64 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::42:69ff:fe8f:7e64/64 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) 09:27:28 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 193.98 5.22 188.77 456.46 9888.74 09:30:01 AM 239.60 2.45 237.15 777.21 28968.82 09:31:01 AM 1116.99 95.15 1021.84 1717.16 38792.40 09:32:01 AM 62.25 25.14 37.10 480.37 1965.84 Average: 403.21 31.99 371.22 857.81 19904.74 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12652364 14677472 3489168 21.62 2688 2232684 1569492 9.13 165444 2933996 283404 09:30:01 AM 11501952 14295264 4639580 28.74 2688 2982496 1973616 11.48 373868 3798596 226588 09:31:01 AM 9961260 13535788 6180272 38.29 2688 3568408 1885296 10.97 424248 4859460 6760 09:32:01 AM 10584240 14233708 5557292 34.43 2688 3640144 1614500 9.39 530272 4145056 37144 Average: 11174954 14185558 4966578 30.77 2688 3105933 1760726 10.24 373458 3934277 138474 09:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 228.81 173.52 3308.47 34.35 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 6.31 6.31 4.58 4.58 0.00 0.00 0.00 0.00 09:30:01 AM eth0 419.87 271.90 5346.07 37.46 0.00 0.00 0.00 0.00 09:30:01 AM docker0 3.32 3.08 4.08 0.45 0.00 0.00 0.00 0.00 09:30:01 AM vethb6c23b2 0.13 0.42 0.01 0.03 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 123.04 91.94 1193.68 15.40 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 222.16 139.02 410.95 184.51 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.58 1.58 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 248.48 169.10 2564.88 67.93 0.00 0.00 0.00 0.00 Average: docker0 0.83 0.77 1.02 0.11 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) 09:27:28 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 26.05 0.00 2.40 1.44 0.10 70.00 09:29:01 AM 0 28.22 0.00 2.09 1.00 0.08 68.61 09:29:01 AM 1 37.58 0.00 3.53 1.49 0.12 57.29 09:29:01 AM 2 26.57 0.00 2.11 0.95 0.08 70.29 09:29:01 AM 3 11.80 0.00 1.88 2.32 0.12 83.89 09:30:01 AM all 45.33 0.09 3.79 1.48 0.11 49.20 09:30:01 AM 0 43.18 0.00 3.90 2.15 0.12 50.66 09:30:01 AM 1 49.19 0.23 4.14 1.29 0.10 45.04 09:30:01 AM 2 47.20 0.08 3.57 1.21 0.10 47.85 09:30:01 AM 3 41.74 0.03 3.56 1.29 0.12 53.26 09:31:01 AM all 27.45 0.00 11.27 7.75 0.09 53.44 09:31:01 AM 0 34.05 0.00 12.37 6.51 0.10 46.97 09:31:01 AM 1 42.24 0.00 11.56 7.95 0.09 38.17 09:31:01 AM 2 13.05 0.00 9.85 8.69 0.09 68.33 09:31:01 AM 3 20.37 0.00 11.30 7.87 0.07 60.38 09:32:01 AM all 46.47 0.00 2.23 0.41 0.11 50.77 09:32:01 AM 0 37.60 0.00 1.60 0.45 0.12 60.23 09:32:01 AM 1 41.61 0.00 2.76 0.20 0.12 55.31 09:32:01 AM 2 41.54 0.00 1.77 0.37 0.10 56.22 09:32:01 AM 3 65.15 0.00 2.79 0.64 0.12 31.30 Average: all 36.36 0.02 4.89 2.75 0.10 55.87 Average: 0 35.76 0.00 4.96 2.51 0.10 56.66 Average: 1 42.65 0.06 5.47 2.71 0.11 49.01 Average: 2 32.17 0.02 4.30 2.78 0.09 60.64 Average: 3 34.87 0.01 4.85 3.00 0.11 57.17