---> uname -a: Linux prd-centos8-docker-4c-4g-3751.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 809 12192 19 2761 14618 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:e3:46:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.60/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fee3:460d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:61:a6:ca:af 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) 01/28/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 204.55 14.93 189.62 3096.72 10470.08 01:25:01 PM 165.84 6.25 159.60 1079.91 13351.95 01:26:01 PM 34.11 1.28 32.82 53.45 741.69 Average: 134.84 7.49 127.35 1410.12 8188.03 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12843596 14810788 3297936 20.43 2688 2174408 1387740 8.07 184020 2716012 123344 01:25:01 PM 11361704 13597216 4779828 29.61 2688 2438400 2447808 14.24 250348 4111916 1860 01:26:01 PM 12500348 14982244 3641184 22.56 2688 2682672 1168480 6.80 517408 2709532 262048 Average: 12235216 14463416 3906316 24.20 2688 2431827 1668009 9.70 317259 3179153 129084 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 139.23 117.41 1548.79 29.36 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 15.14 15.14 3.72 3.72 0.00 0.00 0.00 0.00 01:25:01 PM eth0 324.11 234.92 3702.14 49.48 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 13.88 13.88 2.37 2.37 0.00 0.00 0.00 0.00 01:26:01 PM eth0 73.48 78.64 275.77 929.29 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 9.67 9.67 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 178.94 143.66 1842.22 336.03 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) 01/28/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.62 0.00 2.42 1.00 0.08 69.88 01:24:01 PM 0 33.98 0.00 2.95 1.52 0.08 61.47 01:24:01 PM 1 19.18 0.00 1.77 0.47 0.08 78.50 01:24:01 PM 2 31.23 0.00 3.25 1.34 0.10 64.08 01:24:01 PM 3 22.07 0.00 1.69 0.69 0.07 75.49 01:25:01 PM all 51.03 0.00 1.86 1.01 0.10 46.01 01:25:01 PM 0 49.35 0.00 2.98 2.23 0.10 45.35 01:25:01 PM 1 61.35 0.00 0.98 0.67 0.08 36.91 01:25:01 PM 2 38.95 0.00 2.13 0.82 0.10 58.01 01:25:01 PM 3 54.45 0.00 1.35 0.32 0.10 43.78 01:26:01 PM all 16.32 0.00 1.36 0.12 0.07 82.13 01:26:01 PM 0 24.29 0.00 1.89 0.27 0.07 73.49 01:26:01 PM 1 10.34 0.00 0.94 0.13 0.10 88.49 01:26:01 PM 2 17.08 0.00 1.40 0.02 0.07 81.44 01:26:01 PM 3 13.56 0.00 1.22 0.05 0.05 85.12 Average: all 31.32 0.00 1.88 0.71 0.08 66.01 Average: 0 35.86 0.00 2.61 1.34 0.08 60.11 Average: 1 30.31 0.00 1.23 0.42 0.09 67.95 Average: 2 29.07 0.00 2.26 0.72 0.09 67.86 Average: 3 30.03 0.00 1.42 0.35 0.07 68.13