---> uname -a: Linux prd-centos8-docker-4c-4g-3000.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 1689 10059 19 4011 13721 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:2f:d9:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.125/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86074sec preferred_lft 86074sec inet6 fe80::f816:3eff:fe2f:d964/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3f:59:fa:23 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::42:3fff:fe59:fa23/64 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) 06/27/2026 _x86_64_ (4 CPU) 09:28:04 LINUX RESTART (4 CPU) 09:29:01 AM tps rtps wtps bread/s bwrtn/s 09:30:01 AM 250.77 5.78 244.99 742.02 16509.13 09:31:01 AM 216.24 1.57 214.68 492.50 35285.24 09:32:01 AM 1042.31 95.13 947.18 1698.12 26331.63 09:33:01 AM 67.26 25.26 41.99 489.52 2712.83 Average: 394.13 31.93 362.20 855.52 20210.18 09:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 AM 12133504 14410028 4005816 24.82 2688 2478308 1661048 9.66 191988 3396464 254496 09:31:01 AM 10646600 14036464 5492720 34.03 2688 3494184 1859676 10.82 362072 4483336 323232 09:32:01 AM 8952840 12619216 7186480 44.53 2688 3654248 1995080 11.61 412248 5849088 12 09:33:01 AM 10260976 14009648 5878344 36.42 2688 3731660 1876940 10.92 695560 4280660 20780 Average: 10498480 13768839 5640840 34.95 2688 3339600 1848186 10.75 415467 4502387 149630 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 346.92 281.94 5124.44 47.92 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 6.11 6.11 4.55 4.55 0.00 0.00 0.00 0.00 09:31:01 AM eth0 346.80 209.51 3940.98 35.33 0.00 0.00 0.00 0.00 09:31:01 AM docker0 3.35 3.13 4.09 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 21.55 12.95 201.80 2.16 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 209.60 139.41 413.33 184.97 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 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 231.23 160.96 2420.31 67.59 0.00 0.00 0.00 0.00 Average: docker0 0.84 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) 06/27/2026 _x86_64_ (4 CPU) 09:28:04 LINUX RESTART (4 CPU) 09:29:01 AM CPU %user %nice %system %iowait %steal %idle 09:30:01 AM all 29.74 0.00 2.41 1.56 0.09 66.19 09:30:01 AM 0 28.07 0.00 3.08 2.51 0.10 66.24 09:30:01 AM 1 29.47 0.00 1.84 0.92 0.10 67.67 09:30:01 AM 2 28.39 0.00 2.14 1.45 0.08 67.93 09:30:01 AM 3 33.03 0.00 2.59 1.37 0.08 62.93 09:31:01 AM all 42.15 0.09 6.83 1.32 0.11 49.50 09:31:01 AM 0 37.99 0.12 6.16 0.49 0.10 55.14 09:31:01 AM 1 42.16 0.05 7.39 0.91 0.10 49.39 09:31:01 AM 2 49.20 0.03 7.94 2.22 0.10 40.50 09:31:01 AM 3 39.26 0.15 5.85 1.67 0.12 52.95 09:32:01 AM all 32.92 0.00 5.86 7.43 0.10 53.70 09:32:01 AM 0 49.15 0.00 6.89 8.33 0.10 35.53 09:32:01 AM 1 25.64 0.00 6.01 7.83 0.10 60.42 09:32:01 AM 2 33.36 0.00 6.34 8.74 0.10 51.47 09:32:01 AM 3 23.56 0.00 4.18 4.84 0.10 67.32 09:33:01 AM all 36.75 0.00 2.18 0.40 0.07 60.60 09:33:01 AM 0 39.22 0.00 2.57 0.42 0.07 57.72 09:33:01 AM 1 42.21 0.00 2.29 0.40 0.05 55.05 09:33:01 AM 2 21.33 0.00 1.69 0.37 0.07 76.55 09:33:01 AM 3 44.22 0.00 2.18 0.42 0.08 53.10 Average: all 35.37 0.02 4.31 2.67 0.09 57.53 Average: 0 38.59 0.03 4.67 2.93 0.09 53.69 Average: 1 34.87 0.01 4.37 2.51 0.09 58.15 Average: 2 33.02 0.01 4.51 3.19 0.09 59.18 Average: 3 35.02 0.04 3.69 2.07 0.10 59.08