---> uname -a: Linux prd-centos8-docker-4c-4g-4526.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 812 12189 19 2760 14614 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:4b:9e:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.20/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe4b:9ed9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:50:31:93:06 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) 01/31/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 154.86 9.00 145.86 1343.59 6760.75 01:25:01 PM 274.56 20.16 254.40 4073.26 16136.06 01:26:01 PM 23.42 0.68 22.74 21.86 3241.68 Average: 150.97 9.95 141.02 1813.28 8714.07 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13234240 15071232 2907292 18.01 2688 2047676 1455084 8.46 140124 2398880 231608 01:25:01 PM 11682648 13914312 4458884 27.62 2688 2434620 2178892 12.68 241476 3799904 89364 01:26:01 PM 11266456 13502288 4875076 30.20 2688 2438060 2541464 14.78 250636 4205272 1256 Average: 12061115 14162611 4080417 25.28 2688 2306785 2058480 11.97 210745 3468019 107409 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 185.14 120.64 1492.47 48.90 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 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 01:25:01 PM eth0 370.11 275.09 4155.29 55.04 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 27.45 27.45 5.95 5.95 0.00 0.00 0.00 0.00 01:26:01 PM eth0 45.81 26.19 21.33 27.94 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 9.59 9.59 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 200.38 140.66 1890.07 43.96 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) 01/31/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 20.58 0.00 2.17 1.56 0.08 75.60 01:24:01 PM 0 26.47 0.00 2.80 1.90 0.08 68.75 01:24:01 PM 1 8.06 0.00 1.15 0.64 0.08 90.07 01:24:01 PM 2 25.69 0.00 2.44 1.25 0.08 70.53 01:24:01 PM 3 22.07 0.00 2.29 2.46 0.08 73.10 01:25:01 PM all 51.24 0.00 2.63 4.66 0.13 41.34 01:25:01 PM 0 52.19 0.00 2.66 3.21 0.15 41.78 01:25:01 PM 1 54.08 0.00 2.34 2.14 0.12 41.31 01:25:01 PM 2 49.05 0.00 2.80 6.19 0.13 41.83 01:25:01 PM 3 49.64 0.00 2.73 7.08 0.10 40.45 01:26:01 PM all 18.11 0.00 0.83 0.20 0.07 80.78 01:26:01 PM 0 14.21 0.00 0.90 0.52 0.07 84.31 01:26:01 PM 1 22.85 0.00 0.50 0.02 0.07 76.56 01:26:01 PM 2 22.71 0.00 0.65 0.02 0.07 76.55 01:26:01 PM 3 12.69 0.00 1.29 0.23 0.08 85.71 Average: all 29.96 0.00 1.88 2.14 0.09 65.93 Average: 0 30.93 0.00 2.12 1.88 0.10 64.97 Average: 1 28.32 0.00 1.33 0.93 0.09 69.33 Average: 2 32.47 0.00 1.96 2.49 0.09 62.98 Average: 3 28.12 0.00 2.10 3.25 0.09 66.44