---> uname -a: Linux prd-centos8-docker-4c-4g-1606.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: 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): 0-3 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 792 12142 19 2828 14635 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:8f:39:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe8f:397f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:30:03:6d:fe 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/20/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:03 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 170.76 15.60 155.16 3363.42 9643.91 01:25:01 PM 206.10 6.17 199.93 1055.02 16395.25 01:26:01 PM 30.14 0.50 29.64 17.06 834.19 Average: 135.27 7.33 127.94 1457.25 8949.62 01:23:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12993004 15014920 3148528 19.51 2688 2231132 1469648 8.55 182924 2583372 203344 01:25:01 PM 11510888 13811792 4630644 28.69 2688 2504028 2329580 13.55 255088 3958716 8588 01:26:01 PM 12456480 14997368 3685052 22.83 2688 2742584 1186168 6.90 349156 2922956 246308 Average: 12320124 14608027 3821408 23.67 2688 2492581 1661799 9.67 262389 3155015 152747 01:23:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 153.99 115.00 1978.49 25.97 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 11.56 11.56 3.41 3.41 0.00 0.00 0.00 0.00 01:25:01 PM eth0 453.51 249.04 3835.93 67.39 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 17.44 17.44 2.68 2.68 0.00 0.00 0.00 0.00 01:26:01 PM eth0 57.95 51.42 269.99 26.41 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.78 9.78 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 222.57 138.74 2028.60 40.08 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 05/20/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:03 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.88 0.00 2.31 1.32 0.10 72.39 01:24:01 PM 0 26.44 0.00 2.18 1.49 0.10 69.79 01:24:01 PM 1 19.48 0.00 1.63 0.97 0.09 77.84 01:24:01 PM 2 37.40 0.00 4.04 1.84 0.10 56.62 01:24:01 PM 3 12.18 0.00 1.41 0.97 0.10 85.34 01:25:01 PM all 56.62 0.00 2.35 2.27 0.14 38.62 01:25:01 PM 0 53.05 0.00 2.49 2.32 0.13 42.00 01:25:01 PM 1 61.53 0.00 1.44 1.04 0.15 35.85 01:25:01 PM 2 47.93 0.00 2.83 4.55 0.15 44.54 01:25:01 PM 3 63.96 0.00 2.66 1.15 0.13 32.09 01:26:01 PM all 13.73 0.00 1.09 0.12 0.05 85.00 01:26:01 PM 0 13.34 0.00 1.54 0.05 0.05 85.03 01:26:01 PM 1 12.41 0.00 0.87 0.05 0.05 86.62 01:26:01 PM 2 15.31 0.00 0.63 0.08 0.05 83.92 01:26:01 PM 3 13.85 0.00 1.34 0.28 0.07 84.46 Average: all 31.49 0.00 1.92 1.23 0.10 65.26 Average: 0 30.98 0.00 2.07 1.28 0.10 65.57 Average: 1 31.28 0.00 1.31 0.68 0.10 66.64 Average: 2 33.49 0.00 2.48 2.16 0.10 61.76 Average: 3 30.21 0.00 1.81 0.80 0.10 67.08