---> uname -a: Linux prd-centos7-docker-2c-1g-3604.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: 2800.000 BogoMIPS: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip 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 9.4G 31G 24% / tmpfs 783M 0 783M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7821 889 1574 16 5357 6616 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:9a:85:18 brd ff:ff:ff:ff:ff:ff inet 10.30.106.216/23 brd 10.30.107.255 scope global dynamic eth0 valid_lft 86082sec preferred_lft 86082sec inet6 fe80::f816:3eff:fe9a:8518/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:34:af:01:8b 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) 10/20/2026 _x86_64_ (2 CPU) 07:32:41 AM LINUX RESTART 07:34:01 AM tps rtps wtps bread/s bwrtn/s 07:35:01 AM 398.68 9.08 389.61 2585.18 13283.51 07:36:01 AM 319.13 0.18 318.95 39.43 58601.55 07:37:01 AM 321.52 0.00 321.52 0.00 43274.12 07:38:01 AM 1420.89 1.27 1419.62 129.91 51288.69 Average: 615.02 2.63 612.39 688.65 41611.57 07:34:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:35:01 AM 5098772 2910144 36.34 2620 2208164 874060 9.65 693520 1876684 96244 07:36:01 AM 3930484 4078432 50.92 2620 3268872 1005212 11.10 1582292 2071996 0 07:37:01 AM 2373616 5635300 70.36 2620 4612412 1169376 12.91 2420144 2610544 603488 07:38:01 AM 1643872 6365044 79.47 2620 5123848 953692 10.53 3470896 2083240 10060 Average: 3261686 4747230 59.27 2620 3803324 1000585 11.05 2041713 2160616 177448 07:34:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:35:01 AM eth0 87.44 67.73 1670.34 15.46 0.00 0.00 0.00 07:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:36:01 AM eth0 1169.84 1302.01 12590.35 8197.34 0.00 0.00 0.00 07:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:37:01 AM eth0 1118.48 1058.50 17235.46 5305.52 0.00 0.00 0.00 07:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:38:01 AM eth0 353.78 515.77 40.19 4004.81 0.00 0.00 0.00 07:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 682.40 736.01 7884.41 4380.80 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 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) 10/20/2026 _x86_64_ (2 CPU) 07:32:41 AM LINUX RESTART 07:34:01 AM CPU %user %nice %system %iowait %steal %idle 07:35:01 AM all 37.77 0.00 6.67 1.46 0.03 54.07 07:35:01 AM 0 54.31 0.00 8.24 2.11 0.03 35.30 07:35:01 AM 1 21.27 0.00 5.12 0.80 0.02 72.79 07:36:01 AM all 49.13 0.00 5.62 2.10 0.02 43.14 07:36:01 AM 0 49.11 0.00 6.00 1.47 0.02 43.40 07:36:01 AM 1 49.12 0.00 5.25 2.74 0.02 42.87 07:37:01 AM all 44.28 0.00 7.02 0.53 0.03 48.15 07:37:01 AM 0 45.36 0.00 7.64 0.37 0.03 46.60 07:37:01 AM 1 43.24 0.00 6.36 0.66 0.02 49.72 07:38:01 AM all 51.62 0.00 7.39 1.47 0.03 39.49 07:38:01 AM 0 65.11 0.00 8.06 1.31 0.02 25.50 07:38:01 AM 1 38.15 0.00 6.75 1.65 0.03 53.43 Average: all 45.69 0.00 6.67 1.39 0.02 46.22 Average: 0 53.50 0.00 7.48 1.32 0.03 37.67 Average: 1 37.90 0.00 5.87 1.46 0.02 54.74