---> uname -a: Linux prd-centos8-docker-4c-4g-12049.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1889 9852 19 4019 13522 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:34:69:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.79/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86074sec preferred_lft 86074sec inet6 fe80::f816:3eff:fe34:695c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c9:67:fd:3f 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:c9ff:fe67:fd3f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/25/2026 _x86_64_ (4 CPU) 09:28:03 LINUX RESTART (4 CPU) 09:29:01 AM tps rtps wtps bread/s bwrtn/s 09:30:01 AM 254.84 5.87 248.98 755.47 18936.36 09:31:01 AM 210.80 1.48 209.31 486.64 32557.75 09:32:01 AM 1063.15 95.12 968.03 1697.68 25461.62 09:33:01 AM 67.92 25.31 42.61 520.05 2782.99 Average: 399.23 31.95 367.28 865.01 19935.66 09:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 AM 12000712 14287628 4138600 25.64 2688 2488804 2079428 12.10 192516 3525004 183428 09:31:01 AM 10454916 13931628 5684396 35.22 2688 3572784 1956712 11.38 362204 4666404 412500 09:32:01 AM 8804536 12479568 7334776 45.45 2688 3663688 2055036 11.96 412368 5997364 8 09:33:01 AM 10156852 13909240 5982460 37.07 2688 3736548 1996344 11.61 694792 4387808 24444 Average: 10354254 13652016 5785058 35.84 2688 3365456 2021880 11.76 415470 4644145 155095 09:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM eth0 370.09 294.22 5139.86 48.26 0.00 0.00 0.00 0.00 09:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM lo 6.13 6.13 4.52 4.52 0.00 0.00 0.00 0.00 09:31:01 AM eth0 300.73 210.91 4081.93 39.44 0.00 0.00 0.00 0.00 09:31:01 AM docker0 3.18 3.13 4.08 0.45 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 3.43 2.90 58.42 0.54 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 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 246.96 158.22 417.23 186.26 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.53 1.53 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 230.29 166.55 2424.23 68.62 0.00 0.00 0.00 0.00 Average: docker0 0.80 0.78 1.02 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/25/2026 _x86_64_ (4 CPU) 09:28:03 LINUX RESTART (4 CPU) 09:29:01 AM CPU %user %nice %system %iowait %steal %idle 09:30:01 AM all 30.67 0.00 2.56 1.49 0.10 65.17 09:30:01 AM 0 28.85 0.00 2.16 1.20 0.08 67.71 09:30:01 AM 1 28.19 0.00 2.48 1.62 0.10 67.61 09:30:01 AM 2 36.05 0.00 2.79 1.25 0.10 59.80 09:30:01 AM 3 29.59 0.00 2.83 1.87 0.13 65.58 09:31:01 AM all 42.00 0.08 7.62 1.17 0.12 49.00 09:31:01 AM 0 38.05 0.07 7.22 1.66 0.14 52.86 09:31:01 AM 1 40.62 0.17 6.47 1.51 0.14 51.09 09:31:01 AM 2 47.26 0.07 8.66 0.86 0.12 43.04 09:31:01 AM 3 42.03 0.03 8.14 0.66 0.10 49.03 09:32:01 AM all 33.53 0.00 5.69 7.10 0.10 53.57 09:32:01 AM 0 25.48 0.00 5.76 6.86 0.10 61.80 09:32:01 AM 1 34.41 0.00 4.56 7.29 0.10 53.64 09:32:01 AM 2 18.84 0.00 6.34 7.23 0.10 67.49 09:32:01 AM 3 55.29 0.00 6.11 7.04 0.10 31.46 09:33:01 AM all 36.12 0.00 2.24 0.41 0.08 61.15 09:33:01 AM 0 20.98 0.00 1.81 0.52 0.08 76.61 09:33:01 AM 1 43.12 0.00 1.79 0.33 0.08 54.67 09:33:01 AM 2 43.56 0.00 2.66 0.47 0.08 53.23 09:33:01 AM 3 36.80 0.00 2.69 0.33 0.07 60.10 Average: all 35.56 0.02 4.52 2.54 0.10 57.26 Average: 0 28.31 0.02 4.22 2.56 0.10 64.79 Average: 1 36.58 0.04 3.81 2.69 0.11 56.78 Average: 2 36.45 0.02 5.10 2.45 0.10 55.89 Average: 3 40.91 0.01 4.93 2.48 0.10 51.58