---> uname -a: Linux prd-centos7-docker-2c-1g-20038.novalocal 3.10.0-1160.76.1.el7.x86_64 #1 SMP Wed Aug 10 16:21:17 UTC 2022 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): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 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): 0,1 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 art rep_good nopl extd_apicid eagerfpu 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 retpoline_amd ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr arat npt nrip_save umip spec_ctrl intel_stibp arch_capabilities ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 3.8G 0 3.8G 0% /dev tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 3.9G 17M 3.9G 1% /run tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda1 40G 11G 30G 27% / tmpfs 783M 0 783M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7821 757 549 16 6514 6747 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:a1:bb:d7 brd ff:ff:ff:ff:ff:ff inet 10.30.106.143/23 brd 10.30.107.255 scope global dynamic eth0 valid_lft 86177sec preferred_lft 86177sec inet6 fe80::f816:3eff:fea1:bbd7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4a:ba:49:ad 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 ---> sar -b -r -n DEV: Linux 3.10.0-1160.76.1.el7.x86_64 (centos-7-docker-6328cec0-773a-4982-80b5-86a17c664d6e.novalocal) 02/25/2026 _x86_64_ (2 CPU) 11:42:47 AM LINUX RESTART 11:43:01 AM tps rtps wtps bread/s bwrtn/s 11:44:02 AM 363.60 34.43 329.17 5087.18 50571.03 11:45:01 AM 566.45 9.14 557.31 2614.19 16022.35 11:46:01 AM 910.39 1.78 908.61 170.82 174052.27 Average: 613.71 15.15 598.56 2624.39 80566.64 11:43:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:44:02 AM 4909104 3099804 38.70 2620 2256612 993064 10.96 919412 1829804 337220 11:45:01 AM 4260516 3748392 46.80 2620 2933728 1141000 12.60 971020 2366912 552620 11:46:01 AM 542184 7466724 93.23 2620 6338068 1000112 11.04 1638392 5167224 372316 Average: 3237268 4771640 59.58 2620 3842803 1044725 11.53 1176275 3121313 420719 11:43:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:44:02 AM eth0 537.98 370.03 5097.78 78.38 0.00 0.00 0.00 11:44:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:44:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:45:01 AM eth0 339.41 256.19 9624.37 27.04 0.00 0.00 0.00 11:45:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:45:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:46:01 AM eth0 1496.15 962.04 45679.25 69.84 0.00 0.00 0.00 11:46:01 AM lo 0.53 0.53 0.11 0.11 0.00 0.00 0.00 11:46:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 793.65 530.91 20190.20 58.60 0.00 0.00 0.00 Average: lo 0.18 0.18 0.04 0.04 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1160.76.1.el7.x86_64 (centos-7-docker-6328cec0-773a-4982-80b5-86a17c664d6e.novalocal) 02/25/2026 _x86_64_ (2 CPU) 11:42:47 AM LINUX RESTART 11:43:01 AM CPU %user %nice %system %iowait %steal %idle 11:44:02 AM all 39.43 0.00 7.12 6.15 0.12 47.17 11:44:02 AM 0 44.62 0.00 8.59 6.98 0.11 39.71 11:44:02 AM 1 34.32 0.00 5.67 5.33 0.12 54.56 11:45:01 AM all 35.17 0.00 7.90 2.87 0.13 53.94 11:45:01 AM 0 51.03 0.00 9.09 3.58 0.13 36.17 11:45:01 AM 1 19.95 0.00 6.75 2.18 0.14 70.97 11:46:01 AM all 42.84 0.00 15.15 4.66 0.12 37.23 11:46:01 AM 0 46.06 0.00 15.07 4.11 0.13 34.64 11:46:01 AM 1 39.65 0.00 15.25 5.20 0.11 39.79 Average: all 39.14 0.00 10.03 4.57 0.12 46.14 Average: 0 47.20 0.00 10.90 4.91 0.12 36.87 Average: 1 31.25 0.00 9.17 4.23 0.12 55.22