---> uname -a: Linux prd-centos8-docker-4c-4g-16535.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 779 12224 19 2759 14649 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:c1:13:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.206/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fec1:131a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0c:08:64:39 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) 02/13/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 196.87 15.01 181.86 3100.83 9491.65 01:25:01 PM 178.80 6.25 172.55 1080.09 14580.17 01:26:01 PM 33.64 1.28 32.36 53.45 772.21 Average: 136.43 7.51 128.92 1411.47 8280.99 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12902212 14865540 3239320 20.07 2688 2170568 1325968 7.71 182748 2665056 153040 01:25:01 PM 11616108 13849856 4525424 28.04 2688 2436604 2306276 13.42 249728 3858448 3052 01:26:01 PM 12503384 14984052 3638148 22.54 2688 2681416 1142056 6.64 517644 2705508 262052 Average: 12340568 14566483 3800964 23.55 2688 2429529 1591433 9.26 316707 3076337 139381 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 140.02 116.24 1568.57 29.16 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 14.25 14.25 3.64 3.64 0.00 0.00 0.00 0.00 01:25:01 PM eth0 313.03 212.26 3720.65 48.04 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 15.04 15.04 2.48 2.48 0.00 0.00 0.00 0.00 01:26:01 PM eth0 62.26 70.11 277.83 927.99 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 9.76 9.76 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 171.76 132.87 1855.58 335.08 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) 02/13/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.08 0.00 2.45 1.38 0.09 70.01 01:24:01 PM 0 27.57 0.00 3.22 2.29 0.08 66.83 01:24:01 PM 1 41.77 0.00 3.71 1.52 0.10 52.90 01:24:01 PM 2 18.90 0.00 1.81 1.29 0.08 77.92 01:24:01 PM 3 16.07 0.00 1.04 0.40 0.10 82.39 01:25:01 PM all 49.67 0.00 1.85 1.69 0.10 46.70 01:25:01 PM 0 57.83 0.00 1.42 0.48 0.10 40.16 01:25:01 PM 1 53.85 0.00 1.52 1.82 0.10 42.70 01:25:01 PM 2 40.39 0.00 2.41 3.25 0.10 53.86 01:25:01 PM 3 46.59 0.00 2.06 1.20 0.08 50.07 01:26:01 PM all 16.39 0.00 1.29 0.12 0.06 82.13 01:26:01 PM 0 20.14 0.00 1.27 0.10 0.07 78.43 01:26:01 PM 1 19.45 0.00 1.74 0.32 0.07 78.43 01:26:01 PM 2 12.32 0.00 0.90 0.00 0.05 86.73 01:26:01 PM 3 13.67 0.00 1.27 0.05 0.07 84.95 Average: all 30.71 0.00 1.86 1.06 0.08 66.28 Average: 0 35.18 0.00 1.97 0.96 0.08 61.81 Average: 1 38.34 0.00 2.32 1.22 0.09 58.02 Average: 2 23.87 0.00 1.71 1.51 0.08 72.84 Average: 3 25.44 0.00 1.45 0.55 0.08 72.47