---> uname -a: Linux prd-centos8-docker-4c-4g-1290.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 804 12191 19 2767 14623 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:c9:7b:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.228/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fec9:7b1f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:24:58:8f:12 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) 12/25/2025 _x86_64_ (4 CPU) 13:22:49 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 335.14 162.27 172.87 14019.81 42855.05 01:25:01 PM 281.79 19.32 262.47 4187.51 12864.88 01:26:01 PM 42.19 1.65 40.54 63.58 8098.02 01:27:01 PM 63.67 1.43 62.24 91.18 9746.49 Average: 180.06 45.68 134.38 4551.25 18288.92 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13375480 15127536 2766052 17.14 2688 1967240 1107860 6.44 138660 2274244 181624 01:25:01 PM 11775976 14013456 4365556 27.05 2688 2440212 2070316 12.04 236068 3712728 232360 01:26:01 PM 11263588 13505228 4877944 30.22 2688 2444108 2533192 14.74 250860 4205904 892 01:27:01 PM 12445816 14934556 3695716 22.90 2688 2688624 1217740 7.08 521784 2755776 8340 Average: 12215215 14395194 3926317 24.32 2688 2385046 1732277 10.08 286843 3237163 105804 01:23:02 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 313.03 188.87 1715.90 68.15 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 379.81 282.91 4474.00 62.69 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 25.47 25.47 5.11 5.11 0.00 0.00 0.00 0.00 01:26:01 PM eth0 35.50 23.91 14.43 19.81 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 3.40 3.40 0.95 0.95 0.00 0.00 0.00 0.00 01:27:01 PM eth0 66.16 58.09 280.26 21.31 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 7.29 7.29 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 198.16 138.24 1620.93 42.89 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) 12/25/2025 _x86_64_ (4 CPU) 13:22:49 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.60 0.02 4.59 3.89 0.09 64.80 01:24:01 PM 0 25.37 0.07 5.37 6.98 0.10 62.12 01:24:01 PM 1 23.98 0.00 3.88 2.61 0.09 69.44 01:24:01 PM 2 30.71 0.00 5.55 2.13 0.09 61.53 01:24:01 PM 3 26.34 0.02 3.58 3.85 0.09 66.13 01:25:01 PM all 44.41 0.00 2.91 1.59 0.10 50.97 01:25:01 PM 0 33.83 0.00 2.57 1.37 0.10 62.13 01:25:01 PM 1 46.60 0.00 2.73 1.44 0.10 49.14 01:25:01 PM 2 41.45 0.00 2.76 1.64 0.10 54.04 01:25:01 PM 3 55.78 0.00 3.60 1.92 0.12 38.58 01:26:01 PM all 24.33 0.00 0.74 0.33 0.10 74.50 01:26:01 PM 0 13.08 0.00 1.25 1.10 0.12 84.45 01:26:01 PM 1 30.96 0.00 0.52 0.03 0.10 68.39 01:26:01 PM 2 22.39 0.00 0.78 0.20 0.10 76.53 01:26:01 PM 3 30.88 0.00 0.42 0.00 0.07 68.63 01:27:01 PM all 25.25 0.00 2.00 0.33 0.08 72.34 01:27:01 PM 0 33.07 0.00 2.50 0.17 0.08 64.18 01:27:01 PM 1 15.36 0.00 1.85 0.48 0.10 82.20 01:27:01 PM 2 30.57 0.00 2.15 0.45 0.07 66.76 01:27:01 PM 3 21.99 0.00 1.49 0.22 0.07 76.24 Average: all 30.16 0.01 2.55 1.53 0.09 65.67 Average: 0 26.34 0.02 2.91 2.39 0.10 68.25 Average: 1 29.24 0.00 2.24 1.13 0.10 67.29 Average: 2 31.27 0.00 2.80 1.10 0.09 64.74 Average: 3 33.77 0.00 2.26 1.48 0.08 62.40