---> uname -a: Linux prd-centos8-docker-8c-8g-2600.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1015 28358 19 2516 30425 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:fc:c2:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.231/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fefc:c2b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:65:26:ea:bf 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) 04/18/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 165.86 2.93 162.93 375.87 12098.51 05:20:01 AM 178.69 2.50 176.19 950.35 8949.32 05:21:01 AM 77.97 2.85 75.12 130.62 6302.18 Average: 140.70 2.76 137.94 486.23 9100.02 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28966544 30800808 3689168 11.30 2688 2151072 2229644 6.62 166832 3055396 126972 05:20:01 AM 26911748 28980348 5743964 17.59 2688 2377872 3586928 10.64 231000 5011480 109388 05:21:01 AM 28970920 31093276 3684792 11.28 2688 2429452 1529516 4.54 417908 2767136 29256 Average: 28283071 30291477 4372641 13.39 2688 2319465 2448696 7.27 271913 3611337 88539 05:18:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 210.83 176.96 2028.01 51.47 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 218.36 190.35 2361.51 37.96 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 164.40 169.01 353.37 173.44 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 197.79 178.78 1578.47 87.82 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) 04/18/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 13.94 0.00 1.30 0.50 0.06 84.19 05:19:01 AM 0 9.34 0.00 1.26 0.99 0.08 88.33 05:19:01 AM 1 30.71 0.00 3.04 0.66 0.07 65.52 05:19:01 AM 2 8.53 0.00 0.63 0.41 0.09 90.35 05:19:01 AM 3 15.88 0.00 1.77 0.93 0.05 81.37 05:19:01 AM 4 10.95 0.00 1.10 0.37 0.05 87.52 05:19:01 AM 5 16.10 0.00 1.12 0.39 0.05 82.33 05:19:01 AM 6 5.35 0.00 0.82 0.15 0.05 93.63 05:19:01 AM 7 14.67 0.00 0.66 0.12 0.05 84.50 05:20:01 AM all 42.91 0.00 1.44 0.46 0.09 55.11 05:20:01 AM 0 36.06 0.00 1.10 0.32 0.08 62.43 05:20:01 AM 1 49.06 0.00 1.69 0.75 0.10 48.40 05:20:01 AM 2 57.15 0.00 1.37 0.37 0.10 41.01 05:20:01 AM 3 25.65 0.00 1.99 0.87 0.10 71.39 05:20:01 AM 4 36.83 0.00 1.40 0.28 0.10 61.39 05:20:01 AM 5 53.93 0.00 1.07 0.15 0.08 44.77 05:20:01 AM 6 36.29 0.00 1.27 0.47 0.07 61.90 05:20:01 AM 7 48.30 0.00 1.61 0.43 0.07 49.59 05:21:01 AM all 22.70 0.00 1.33 0.23 0.06 75.67 05:21:01 AM 0 23.77 0.00 1.25 0.12 0.07 74.79 05:21:01 AM 1 25.09 0.00 1.47 0.32 0.08 73.04 05:21:01 AM 2 15.19 0.00 1.17 0.28 0.07 83.29 05:21:01 AM 3 23.31 0.00 1.47 0.67 0.07 74.48 05:21:01 AM 4 34.07 0.00 1.55 0.12 0.07 64.19 05:21:01 AM 5 15.95 0.00 0.97 0.23 0.05 82.79 05:21:01 AM 6 20.22 0.00 1.18 0.02 0.05 78.53 05:21:01 AM 7 24.00 0.00 1.60 0.08 0.07 74.25 Average: all 26.59 0.00 1.36 0.40 0.07 71.59 Average: 0 23.14 0.00 1.20 0.47 0.08 75.11 Average: 1 34.97 0.00 2.06 0.58 0.08 62.31 Average: 2 27.08 0.00 1.06 0.35 0.08 71.42 Average: 3 21.65 0.00 1.74 0.82 0.07 75.72 Average: 4 27.37 0.00 1.35 0.26 0.07 70.95 Average: 5 28.74 0.00 1.05 0.26 0.06 69.89 Average: 6 20.71 0.00 1.09 0.21 0.06 77.93 Average: 7 29.06 0.00 1.29 0.21 0.06 69.37