---> uname -a: Linux prd-centos8-docker-8c-8g-6802.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1049 27226 19 3614 30381 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:4f:c0:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.55/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fe4f:c05a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:03:7d:c6:98 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 inet6 fe80::42:3ff:fe7d:c698/64 scope link 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) 02/10/2026 _x86_64_ (8 CPU) 17:13:11 LINUX RESTART (8 CPU) 05:14:01 PM tps rtps wtps bread/s bwrtn/s 05:15:01 PM 224.18 14.48 209.70 3198.53 13844.56 05:16:01 PM 481.82 4.77 477.06 1164.95 14118.49 05:17:01 PM 205.45 2.50 202.95 409.53 41044.73 Average: 303.83 7.25 296.58 1590.98 23002.10 05:14:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:15:01 PM 29239356 31154772 3416356 10.46 2688 2230924 1572084 4.66 188960 2757484 112428 05:16:01 PM 27694948 30028812 4960764 15.19 2688 2639640 2369044 7.03 396388 4048952 183980 05:17:01 PM 27917720 31139496 4737992 14.51 2688 3518316 1476052 4.38 639520 3555488 149284 Average: 28284008 30774360 4371704 13.39 2688 2796293 1805727 5.36 408289 3453975 148564 05:14:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 204.17 172.95 2270.16 46.69 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 448.12 382.81 5849.36 54.57 0.00 0.00 0.00 0.00 05:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM eth0 508.27 428.78 5955.97 1268.49 0.00 0.00 0.00 0.00 05:17:01 PM docker0 7.55 15.83 0.55 255.39 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 386.85 328.18 4691.89 456.56 0.00 0.00 0.00 0.00 Average: docker0 2.52 5.28 0.18 85.12 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) 02/10/2026 _x86_64_ (8 CPU) 17:13:11 LINUX RESTART (8 CPU) 05:14:01 PM CPU %user %nice %system %iowait %steal %idle 05:15:01 PM all 13.29 0.00 1.22 1.27 0.07 84.15 05:15:01 PM 0 3.87 0.00 0.75 0.50 0.07 94.81 05:15:01 PM 1 22.89 0.00 2.36 2.34 0.08 72.33 05:15:01 PM 2 19.45 0.00 1.45 1.87 0.08 77.14 05:15:01 PM 3 20.06 0.00 1.50 1.99 0.07 76.38 05:15:01 PM 4 12.05 0.00 1.09 1.50 0.05 85.31 05:15:01 PM 5 10.57 0.00 0.95 0.63 0.07 87.77 05:15:01 PM 6 10.51 0.00 0.85 1.09 0.05 87.50 05:15:01 PM 7 6.94 0.00 0.80 0.22 0.07 91.98 05:16:01 PM all 28.52 0.00 1.76 1.43 0.10 68.18 05:16:01 PM 0 25.45 0.00 1.29 0.60 0.10 72.55 05:16:01 PM 1 31.40 0.00 1.76 1.11 0.10 65.63 05:16:01 PM 2 27.05 0.00 2.99 1.95 0.12 67.90 05:16:01 PM 3 29.15 0.00 1.49 1.94 0.10 67.31 05:16:01 PM 4 19.14 0.00 1.63 1.36 0.10 77.77 05:16:01 PM 5 30.27 0.00 1.44 1.01 0.10 67.18 05:16:01 PM 6 33.00 0.00 1.76 1.26 0.12 63.86 05:16:01 PM 7 32.71 0.00 1.69 2.25 0.10 63.25 05:17:01 PM all 15.37 0.00 2.57 3.03 0.12 78.91 05:17:01 PM 0 6.78 0.00 2.69 2.59 0.12 87.83 05:17:01 PM 1 15.77 0.00 3.44 5.87 0.12 74.80 05:17:01 PM 2 19.67 0.00 3.56 7.42 0.13 69.21 05:17:01 PM 3 19.03 0.00 2.21 2.45 0.13 76.17 05:17:01 PM 4 19.27 0.00 2.23 1.43 0.10 76.97 05:17:01 PM 5 12.25 0.00 2.08 0.15 0.12 85.40 05:17:01 PM 6 9.69 0.00 2.38 3.99 0.12 83.82 05:17:01 PM 7 20.51 0.00 1.93 0.37 0.13 77.05 Average: all 19.06 0.00 1.85 1.91 0.10 77.09 Average: 0 12.02 0.00 1.57 1.23 0.09 85.08 Average: 1 23.35 0.00 2.52 3.10 0.10 70.92 Average: 2 22.05 0.00 2.67 3.74 0.11 71.43 Average: 3 22.75 0.00 1.74 2.13 0.10 73.29 Average: 4 16.81 0.00 1.65 1.43 0.08 80.03 Average: 5 17.69 0.00 1.49 0.60 0.09 80.13 Average: 6 17.72 0.00 1.66 2.11 0.09 78.40 Average: 7 20.05 0.00 1.48 0.94 0.10 77.43