---> uname -a: Linux prd-centos8-docker-4c-4g-836.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 758 12176 19 2829 14670 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:c7:8c:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.166/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fec7:8c97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3b:dc:eb:b4 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) 05/18/2026 _x86_64_ (4 CPU) 13:22:56 LINUX RESTART (4 CPU) 01:24:03 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 282.76 17.10 265.67 4064.94 15180.32 01:26:01 PM 53.54 4.55 48.99 346.74 8194.72 01:27:01 PM 58.96 3.12 55.85 139.42 9127.59 Average: 130.06 8.16 121.91 1488.48 10785.54 01:24:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12247340 14529564 3894192 24.13 2688 2486012 1649488 9.60 216276 3270456 226276 01:26:01 PM 11425356 13728288 4716176 29.22 2688 2505884 2359144 13.72 255056 4043704 884 01:27:01 PM 12465104 15026128 3676428 22.78 2688 2761276 1117312 6.50 533984 2727432 31304 Average: 12045933 14427993 4095599 25.37 2688 2584391 1708648 9.94 335105 3347197 86155 01:24:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 473.49 324.70 4944.98 62.37 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 24.36 24.36 5.01 5.01 0.00 0.00 0.00 0.00 01:26:01 PM eth0 38.83 30.73 104.70 20.72 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 4.97 4.97 1.11 1.11 0.00 0.00 0.00 0.00 01:27:01 PM eth0 77.57 81.86 285.51 938.90 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 9.88 9.88 2.06 2.06 0.00 0.00 0.00 0.00 Average: eth0 193.53 143.76 1742.92 343.81 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) 05/18/2026 _x86_64_ (4 CPU) 13:22:56 LINUX RESTART (4 CPU) 01:24:03 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 34.99 0.00 2.98 1.63 0.10 60.30 01:25:01 PM 0 41.48 0.00 3.72 1.45 0.09 53.26 01:25:01 PM 1 34.71 0.00 3.34 1.66 0.12 60.17 01:25:01 PM 2 31.64 0.00 1.85 1.37 0.10 65.04 01:25:01 PM 3 32.13 0.00 3.00 2.03 0.09 62.76 01:26:01 PM all 37.34 0.00 0.96 0.54 0.08 61.07 01:26:01 PM 0 28.26 0.00 1.20 0.94 0.08 69.52 01:26:01 PM 1 47.41 0.00 0.28 0.00 0.07 52.24 01:26:01 PM 2 32.45 0.00 1.60 0.67 0.10 65.17 01:26:01 PM 3 41.22 0.00 0.75 0.57 0.08 57.38 01:27:01 PM all 20.56 0.00 1.77 0.28 0.07 77.31 01:27:01 PM 0 27.73 0.00 2.10 0.25 0.07 69.85 01:27:01 PM 1 26.54 0.00 2.25 0.50 0.08 70.62 01:27:01 PM 2 15.16 0.00 1.09 0.03 0.07 83.65 01:27:01 PM 3 12.79 0.00 1.64 0.35 0.07 85.15 Average: all 30.92 0.00 1.89 0.81 0.08 66.30 Average: 0 32.38 0.00 2.33 0.87 0.08 64.34 Average: 1 36.24 0.00 1.94 0.71 0.09 61.02 Average: 2 26.36 0.00 1.51 0.68 0.09 71.36 Average: 3 28.68 0.00 1.78 0.97 0.08 68.49