---> uname -a: Linux prd-centos8-docker-8c-8g-3556.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: 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): 0-7 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 1037 26495 19 4356 30386 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:48:c4:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.120/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe48:c468/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c0:aa:72:67 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:c0ff:feaa:7267/64 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) 04/04/2026 _x86_64_ (8 CPU) 02:29:02 LINUX RESTART (8 CPU) 02:30:02 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 276.06 17.06 259.00 3360.49 14719.32 02:32:01 AM 171.96 4.38 167.58 1495.90 40348.65 02:33:01 AM 92.22 17.15 75.07 5171.14 8854.22 Average: 179.55 12.84 166.71 3342.31 21344.89 02:30:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28798788 30975128 3856924 11.81 2688 2490208 1639588 4.86 197168 3181260 281580 02:32:01 AM 26416344 29522616 6239368 19.11 2688 3401988 5056624 15.00 384872 5294532 212 02:33:01 AM 27093684 31076456 5562028 17.03 2688 4272432 1589832 4.72 885076 4115392 517372 Average: 27436272 30524733 5219440 15.98 2688 3388209 2762015 8.19 489039 4197061 266388 02:30:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 491.70 369.62 5553.79 64.10 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1394.54 430.57 7804.46 39.27 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 02:32:01 AM vethe755f07 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.88 11.88 1.26 1.26 0.00 0.00 0.00 0.00 02:33:01 AM eth0 191.57 172.19 1396.23 1261.41 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.27 5.30 0.61 0.61 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 693.75 323.88 4914.81 457.06 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.80 0.21 0.21 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) 04/04/2026 _x86_64_ (8 CPU) 02:29:02 LINUX RESTART (8 CPU) 02:30:02 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 14.36 0.00 1.46 0.93 0.08 83.18 02:31:01 AM 0 11.85 0.00 0.56 0.80 0.07 86.72 02:31:01 AM 1 10.86 0.00 1.48 0.58 0.10 86.98 02:31:01 AM 2 17.38 0.00 2.78 1.86 0.09 77.90 02:31:01 AM 3 15.08 0.00 1.46 0.85 0.07 82.54 02:31:01 AM 4 23.56 0.00 1.90 0.80 0.08 73.65 02:31:01 AM 5 6.77 0.00 0.80 0.85 0.09 91.50 02:31:01 AM 6 16.80 0.00 1.45 0.43 0.05 81.28 02:31:01 AM 7 12.56 0.00 1.26 1.26 0.08 84.84 02:32:01 AM all 27.90 0.00 2.36 2.03 0.09 67.62 02:32:01 AM 0 28.28 0.00 2.47 0.49 0.10 68.66 02:32:01 AM 1 30.28 0.00 2.31 4.95 0.10 62.36 02:32:01 AM 2 42.41 0.00 2.78 1.68 0.08 53.04 02:32:01 AM 3 33.43 0.00 3.34 3.24 0.10 59.89 02:32:01 AM 4 21.68 0.00 2.39 0.91 0.08 74.93 02:32:01 AM 5 36.18 0.00 1.65 1.28 0.08 60.81 02:32:01 AM 6 18.71 0.00 2.07 3.11 0.08 76.03 02:32:01 AM 7 12.23 0.00 1.88 0.57 0.07 85.25 02:33:01 AM all 20.95 0.27 2.17 0.80 0.07 75.74 02:33:01 AM 0 22.41 0.02 2.06 0.20 0.07 75.25 02:33:01 AM 1 15.60 0.05 2.30 1.78 0.07 80.21 02:33:01 AM 2 19.87 0.00 1.96 0.86 0.07 77.24 02:33:01 AM 3 28.78 0.00 2.90 1.37 0.07 66.88 02:33:01 AM 4 33.14 0.05 2.11 0.15 0.08 64.46 02:33:01 AM 5 13.12 1.37 2.01 0.39 0.08 83.03 02:33:01 AM 6 18.12 0.65 1.96 0.22 0.07 78.99 02:33:01 AM 7 16.55 0.03 2.08 1.42 0.07 79.85 Average: all 21.09 0.09 2.00 1.25 0.08 75.49 Average: 0 20.88 0.01 1.70 0.49 0.08 76.84 Average: 1 18.94 0.02 2.03 2.44 0.09 76.49 Average: 2 26.58 0.00 2.50 1.46 0.08 69.37 Average: 3 25.80 0.00 2.57 1.82 0.08 69.73 Average: 4 26.15 0.02 2.13 0.62 0.08 70.99 Average: 5 18.73 0.46 1.49 0.84 0.08 78.40 Average: 6 17.88 0.22 1.83 1.25 0.07 78.76 Average: 7 13.79 0.01 1.74 1.08 0.07 83.30