---> uname -a: Linux prd-centos8-docker-4c-4g-2414.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 753 12191 19 2817 14674 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:82:cd:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.108/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe82:cd5a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:19:5a:52:07 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) 03/31/2026 _x86_64_ (4 CPU) 13:22:32 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 233.49 21.48 212.01 4208.23 7648.73 01:25:01 PM 243.26 5.87 237.39 1066.09 13147.83 01:26:01 PM 40.99 0.55 40.44 16.80 8008.07 01:27:01 PM 58.21 3.13 55.08 139.55 9507.88 Average: 143.99 7.76 136.23 1357.62 9578.12 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13056876 15042992 3084656 19.11 2688 2196928 1418572 8.25 156764 2560744 287660 01:25:01 PM 11543984 13833668 4597548 28.48 2688 2493076 2263440 13.17 243524 3942124 225720 01:26:01 PM 11355844 13648072 4785688 29.65 2688 2495364 2791284 16.24 255016 4115528 28 01:27:01 PM 12500116 15042472 3641416 22.56 2688 2742732 1120076 6.52 543120 2685484 8452 Average: 12114205 14391801 4027327 24.95 2688 2482025 1898343 11.04 299606 3325970 130465 01:23:01 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 201.10 122.85 1811.21 48.03 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 385.57 287.34 4148.95 52.62 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 26.13 26.13 5.19 5.19 0.00 0.00 0.00 0.00 01:26:01 PM eth0 18.35 12.38 5.70 14.01 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 01:27:01 PM lo 2.85 2.85 0.91 0.91 0.00 0.00 0.00 0.00 01:27:01 PM eth0 81.06 84.99 290.54 939.33 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.28 7.28 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 171.51 126.89 1564.04 263.52 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) 03/31/2026 _x86_64_ (4 CPU) 13:22:32 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 22.10 0.00 2.32 1.62 0.11 73.85 01:24:01 PM 0 20.75 0.00 2.12 2.21 0.10 74.82 01:24:01 PM 1 25.50 0.00 2.57 1.71 0.10 70.12 01:24:01 PM 2 31.35 0.00 3.16 1.33 0.13 64.03 01:24:01 PM 3 10.85 0.00 1.42 1.22 0.12 86.38 01:25:01 PM all 45.93 0.00 2.52 3.51 0.15 47.89 01:25:01 PM 0 51.43 0.00 1.73 1.68 0.13 45.03 01:25:01 PM 1 43.35 0.00 3.03 5.26 0.15 48.21 01:25:01 PM 2 38.41 0.00 3.23 4.49 0.18 53.68 01:25:01 PM 3 50.52 0.00 2.10 2.60 0.13 44.65 01:26:01 PM all 18.76 0.00 0.68 0.51 0.10 79.94 01:26:01 PM 0 24.13 0.00 0.45 0.17 0.12 75.13 01:26:01 PM 1 12.67 0.00 0.92 0.07 0.13 86.21 01:26:01 PM 2 13.23 0.00 1.02 1.67 0.10 83.98 01:26:01 PM 3 25.02 0.00 0.33 0.13 0.07 74.44 01:27:01 PM all 25.03 0.00 2.19 1.00 0.11 71.68 01:27:01 PM 0 14.81 0.00 1.75 0.20 0.12 83.12 01:27:01 PM 1 33.44 0.00 2.34 1.29 0.10 62.82 01:27:01 PM 2 25.70 0.00 2.54 0.97 0.13 70.65 01:27:01 PM 3 26.19 0.00 2.12 1.54 0.08 70.07 Average: all 27.95 0.00 1.93 1.66 0.12 68.35 Average: 0 27.76 0.00 1.51 1.06 0.12 69.55 Average: 1 28.74 0.00 2.22 2.08 0.12 66.85 Average: 2 27.16 0.00 2.49 2.11 0.14 68.10 Average: 3 28.13 0.00 1.49 1.37 0.10 68.90