---> uname -a: Linux prd-centos8-docker-8c-8g-3053.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1014 28225 19 2649 30429 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:42:63:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.190/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86165sec preferred_lft 86165sec inet6 fe80::f816:3eff:fe42:63e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:9a:ee:33 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) 04/02/2026 _x86_64_ (8 CPU) 12:02:47 LINUX RESTART (8 CPU) 12:03:01 PM tps rtps wtps bread/s bwrtn/s 12:04:01 PM 243.92 15.14 228.78 3929.00 9835.86 12:05:01 PM 119.55 13.45 106.10 2837.53 11185.87 12:06:01 PM 180.29 3.77 176.52 739.74 6414.70 Average: 181.26 10.79 170.48 2502.33 9145.59 12:03:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:04:01 PM 29465048 31276724 3190664 9.77 2688 2130128 1405312 4.17 154348 2591080 287392 12:05:01 PM 29039564 30951724 3616148 11.07 2688 2229748 1867188 5.54 164548 2987064 9640 12:06:01 PM 28927964 31181116 3727748 11.42 2688 2563832 1466080 4.35 405844 2836440 200012 Average: 29144192 31136521 3511520 10.75 2688 2307903 1579527 4.69 241580 2804861 165681 12:03:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:04:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:04:01 PM eth0 410.59 263.27 2502.39 76.29 0.00 0.00 0.00 0.00 12:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:05:01 PM eth0 50.82 42.21 198.06 11.90 0.00 0.00 0.00 0.00 12:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:06:01 PM eth0 390.03 298.43 4944.36 43.01 0.00 0.00 0.00 0.00 12:06:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 283.84 201.32 2548.26 43.74 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) 04/02/2026 _x86_64_ (8 CPU) 12:02:47 LINUX RESTART (8 CPU) 12:03:01 PM CPU %user %nice %system %iowait %steal %idle 12:04:01 PM all 13.39 0.00 1.81 0.51 0.05 84.23 12:04:01 PM 0 6.00 0.00 2.29 1.94 0.05 89.72 12:04:01 PM 1 9.41 0.00 2.08 0.30 0.05 88.16 12:04:01 PM 2 5.05 0.00 1.36 0.08 0.03 93.48 12:04:01 PM 3 19.70 0.00 1.99 0.22 0.07 78.03 12:04:01 PM 4 19.00 0.00 1.07 0.35 0.05 79.53 12:04:01 PM 5 18.64 0.00 2.29 0.45 0.05 78.57 12:04:01 PM 6 12.40 0.00 1.05 0.12 0.05 86.38 12:04:01 PM 7 16.88 0.00 2.37 0.65 0.07 80.03 12:05:01 PM all 3.31 0.00 0.39 0.38 0.03 95.89 12:05:01 PM 0 4.68 0.00 0.22 0.02 0.05 95.04 12:05:01 PM 1 2.61 0.00 0.42 0.60 0.03 96.34 12:05:01 PM 2 4.07 0.00 0.38 0.57 0.05 94.93 12:05:01 PM 3 0.83 0.00 0.23 0.12 0.02 98.80 12:05:01 PM 4 1.94 0.00 0.28 0.12 0.02 97.65 12:05:01 PM 5 4.15 0.00 0.48 0.43 0.02 94.91 12:05:01 PM 6 5.36 0.00 0.75 0.87 0.02 93.00 12:05:01 PM 7 2.85 0.00 0.33 0.32 0.02 96.48 12:06:01 PM all 17.73 0.00 1.23 0.35 0.07 80.62 12:06:01 PM 0 19.68 0.00 1.23 0.10 0.07 78.92 12:06:01 PM 1 12.52 0.00 0.72 0.15 0.07 86.54 12:06:01 PM 2 19.99 0.00 1.19 0.37 0.07 78.38 12:06:01 PM 3 16.91 0.00 1.05 0.18 0.07 81.78 12:06:01 PM 4 27.01 0.00 1.34 0.33 0.08 71.24 12:06:01 PM 5 20.49 0.00 1.70 0.32 0.07 77.42 12:06:01 PM 6 9.13 0.00 1.15 0.59 0.07 89.06 12:06:01 PM 7 16.10 0.00 1.47 0.75 0.07 81.61 Average: all 11.47 0.00 1.14 0.41 0.05 86.92 Average: 0 10.12 0.00 1.25 0.68 0.06 87.89 Average: 1 8.18 0.00 1.07 0.35 0.05 90.35 Average: 2 9.70 0.00 0.98 0.34 0.05 88.93 Average: 3 12.47 0.00 1.09 0.17 0.05 86.21 Average: 4 15.98 0.00 0.90 0.27 0.05 82.81 Average: 5 14.43 0.00 1.49 0.40 0.04 83.64 Average: 6 8.96 0.00 0.99 0.52 0.04 89.48 Average: 7 11.94 0.00 1.39 0.57 0.05 86.05