---> uname -a: Linux prd-centos8-docker-4c-4g-39494.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 848 12185 19 2729 14572 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:85:40:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.93/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86189sec preferred_lft 86189sec inet6 fe80::f816:3eff:fe85:4044/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7d:f8:c2:5b 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::42:7dff:fef8:c25b/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) 08/21/2025 _x86_64_ (4 CPU) 11:32:37 LINUX RESTART (4 CPU) 11:33:01 AM tps rtps wtps bread/s bwrtn/s 11:34:01 AM 126.36 10.36 115.99 1432.72 6517.66 11:35:01 AM 246.40 5.61 240.79 977.67 17225.47 11:36:01 AM 83.81 1.97 81.84 124.76 13030.56 Average: 152.19 5.98 146.21 845.05 12257.90 11:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:34:01 AM 13309540 15139996 2831992 17.54 2688 2040944 1078288 6.27 140528 2322904 219916 11:35:01 AM 11076952 13582292 5064580 31.38 2688 2701320 3041748 17.69 255904 4366372 409944 11:36:01 AM 12509348 14952832 3632184 22.50 2688 2636092 1199164 6.98 505196 2680676 24096 Average: 12298613 14558373 3842919 23.81 2688 2459452 1773067 10.31 300543 3123317 217985 11:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 AM eth0 281.09 180.84 1488.69 55.21 0.00 0.00 0.00 0.00 11:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 11:35:01 AM eth0 590.60 386.74 5499.41 50.51 0.00 0.00 0.00 0.00 11:35:01 AM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 11:35:01 AM veth0ba399d 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 11:36:01 AM lo 6.18 6.18 4.60 4.60 0.00 0.00 0.00 0.00 11:36:01 AM eth0 38.82 25.12 24.49 16.01 0.00 0.00 0.00 0.00 11:36:01 AM docker0 3.22 2.90 4.08 0.43 0.00 0.00 0.00 0.00 Average: lo 2.11 2.11 1.54 1.54 0.00 0.00 0.00 0.00 Average: eth0 303.50 197.57 2337.53 40.58 0.00 0.00 0.00 0.00 Average: docker0 1.10 1.03 1.36 0.15 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) 08/21/2025 _x86_64_ (4 CPU) 11:32:37 LINUX RESTART (4 CPU) 11:33:01 AM CPU %user %nice %system %iowait %steal %idle 11:34:01 AM all 21.71 0.00 2.29 2.19 0.08 73.72 11:34:01 AM 0 12.97 0.00 1.91 3.23 0.08 81.81 11:34:01 AM 1 11.09 0.00 1.12 0.69 0.07 87.03 11:34:01 AM 2 38.24 0.00 4.00 3.73 0.12 53.91 11:34:01 AM 3 24.60 0.00 2.14 1.12 0.07 72.07 11:35:01 AM all 36.84 0.00 3.37 3.17 0.10 56.51 11:35:01 AM 0 31.47 0.00 3.50 2.67 0.10 62.26 11:35:01 AM 1 34.70 0.00 3.65 4.10 0.12 57.44 11:35:01 AM 2 42.40 0.00 2.37 2.00 0.10 53.13 11:35:01 AM 3 38.79 0.00 3.98 3.93 0.10 53.20 11:36:01 AM all 33.12 0.11 2.79 1.30 0.09 62.59 11:36:01 AM 0 25.30 0.13 2.11 0.17 0.08 72.20 11:36:01 AM 1 26.22 0.08 2.78 1.19 0.08 69.64 11:36:01 AM 2 31.53 0.18 2.99 1.19 0.08 64.02 11:36:01 AM 3 49.43 0.05 3.28 2.65 0.10 44.49 Average: all 30.55 0.04 2.82 2.22 0.09 64.28 Average: 0 23.24 0.04 2.51 2.02 0.09 72.10 Average: 1 23.99 0.03 2.51 1.99 0.09 71.39 Average: 2 37.38 0.06 3.12 2.30 0.10 57.03 Average: 3 37.60 0.02 3.13 2.56 0.09 56.59