---> uname -a: Linux prd-centos8-docker-4c-4g-3316.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 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:fd:be:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.98/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fefd:bea3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e8:53:9c: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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/05/2026 _x86_64_ (4 CPU) 13:22:47 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 442.56 128.55 314.01 13499.65 43856.41 01:25:01 PM 275.09 18.76 256.33 4020.13 12443.19 01:26:01 PM 40.13 2.40 37.73 234.95 7956.69 01:27:01 PM 57.32 1.43 55.89 91.18 9600.87 Average: 203.79 37.79 166.00 4461.86 18465.28 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13286248 15062268 2855284 17.69 2688 1991248 1161908 6.76 139220 2362932 194816 01:25:01 PM 11903728 14134696 4237804 26.25 2688 2433448 1992060 11.59 224336 3599676 227152 01:26:01 PM 11406324 13648008 4735208 29.34 2688 2443760 2451196 14.26 250376 4064908 884 01:27:01 PM 12510052 14998696 3631480 22.50 2688 2688312 1180916 6.87 521244 2693628 8500 Average: 12276588 14460917 3864944 23.94 2688 2389192 1696520 9.87 283794 3180286 107838 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 363.42 201.38 1842.32 69.10 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 457.85 314.25 4340.20 70.49 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 24.80 24.80 5.05 5.05 0.00 0.00 0.00 0.00 01:26:01 PM eth0 32.45 26.00 13.10 20.34 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 3.90 3.90 1.00 1.00 0.00 0.00 0.00 0.00 01:27:01 PM eth0 65.49 60.01 281.08 31.87 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 7.18 7.18 1.51 1.51 0.00 0.00 0.00 0.00 Average: eth0 229.81 150.41 1619.17 47.95 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) 01/05/2026 _x86_64_ (4 CPU) 13:22:47 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 28.48 0.00 5.13 2.85 0.07 63.47 01:24:01 PM 0 20.86 0.00 5.85 1.34 0.07 71.88 01:24:01 PM 1 35.24 0.00 4.81 3.87 0.08 56.00 01:24:01 PM 2 31.94 0.00 4.97 1.04 0.07 61.99 01:24:01 PM 3 25.88 0.00 4.88 5.17 0.07 64.01 01:25:01 PM all 39.47 0.00 2.82 1.40 0.10 56.22 01:25:01 PM 0 36.16 0.00 2.47 1.22 0.08 60.07 01:25:01 PM 1 42.10 0.00 2.74 1.71 0.08 53.36 01:25:01 PM 2 42.93 0.00 4.07 1.41 0.12 51.48 01:25:01 PM 3 36.69 0.00 1.99 1.27 0.10 59.95 01:26:01 PM all 29.04 0.00 0.78 0.20 0.08 69.89 01:26:01 PM 0 34.01 0.00 0.38 0.03 0.10 65.47 01:26:01 PM 1 28.18 0.00 1.14 0.23 0.08 70.37 01:26:01 PM 2 18.03 0.00 1.29 0.55 0.07 80.06 01:26:01 PM 3 35.94 0.00 0.32 0.00 0.08 63.66 01:27:01 PM all 23.60 0.00 1.99 0.31 0.06 74.04 01:27:01 PM 0 25.06 0.00 2.28 0.27 0.07 72.32 01:27:01 PM 1 33.30 0.00 2.71 0.18 0.07 63.74 01:27:01 PM 2 20.91 0.00 1.47 0.70 0.07 76.85 01:27:01 PM 3 15.11 0.00 1.49 0.10 0.05 83.25 Average: all 30.15 0.00 2.68 1.19 0.08 65.91 Average: 0 29.03 0.00 2.74 0.71 0.08 67.43 Average: 1 34.70 0.00 2.85 1.50 0.08 60.88 Average: 2 28.45 0.00 2.94 0.92 0.08 67.60 Average: 3 28.41 0.00 2.17 1.63 0.08 67.72