---> uname -a: Linux prd-centos8-docker-8c-8g-4897.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 1021 27631 19 3237 30411 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:c6:aa:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.87/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86183sec preferred_lft 86183sec inet6 fe80::f816:3eff:fec6:aaa5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f1:f2:14:dd 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) 04/09/2026 _x86_64_ (8 CPU) 11:34:55 LINUX RESTART (8 CPU) 11:35:01 AM tps rtps wtps bread/s bwrtn/s 11:36:01 AM 405.51 184.29 221.22 14625.77 44023.90 11:37:01 AM 298.45 16.85 281.60 3270.39 16679.42 11:38:01 AM 182.96 2.42 180.54 798.27 13077.86 Average: 295.65 67.86 227.79 6232.11 24595.25 11:35:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:36:01 AM 29456236 31177140 3199468 9.80 2688 2040988 1529636 4.54 177608 2580660 213196 11:37:01 AM 28643592 30818564 4012112 12.29 2688 2482924 1755712 5.21 205720 3303728 160904 11:38:01 AM 28300332 31136080 4355372 13.34 2688 3135592 1475740 4.38 469076 3354488 453152 Average: 28800053 31043928 3855651 11.81 2688 2553168 1587029 4.71 284135 3079625 275751 11:35:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 AM eth0 549.01 339.86 2445.85 88.30 0.00 0.00 0.00 0.00 11:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 AM eth0 302.02 255.04 3429.65 44.57 0.00 0.00 0.00 0.00 11:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 AM eth0 494.10 359.06 9177.25 71.88 0.00 0.00 0.00 0.00 11:38:01 AM 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 448.39 317.99 5017.53 68.26 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) 04/09/2026 _x86_64_ (8 CPU) 11:34:55 LINUX RESTART (8 CPU) 11:35:01 AM CPU %user %nice %system %iowait %steal %idle 11:36:01 AM all 13.56 0.01 3.07 2.34 0.06 80.95 11:36:01 AM 0 17.13 0.00 2.73 2.96 0.07 77.11 11:36:01 AM 1 14.92 0.00 2.75 0.87 0.05 81.41 11:36:01 AM 2 15.18 0.00 2.76 7.14 0.05 74.87 11:36:01 AM 3 19.19 0.00 4.46 0.97 0.07 75.31 11:36:01 AM 4 6.71 0.00 3.21 3.39 0.07 86.62 11:36:01 AM 5 10.02 0.00 2.81 0.32 0.07 86.78 11:36:01 AM 6 18.21 0.00 3.21 2.56 0.07 75.96 11:36:01 AM 7 7.10 0.10 2.64 0.54 0.05 89.58 11:37:01 AM all 12.37 0.00 1.23 0.93 0.07 85.40 11:37:01 AM 0 7.98 0.00 0.57 0.13 0.08 91.24 11:37:01 AM 1 21.46 0.00 2.37 1.20 0.10 74.86 11:37:01 AM 2 18.65 0.00 1.37 1.25 0.08 78.65 11:37:01 AM 3 22.13 0.00 1.04 0.72 0.07 76.05 11:37:01 AM 4 6.70 0.00 1.22 1.29 0.05 90.74 11:37:01 AM 5 6.93 0.00 1.19 1.22 0.07 90.60 11:37:01 AM 6 9.62 0.00 0.94 0.79 0.07 88.59 11:37:01 AM 7 5.45 0.00 1.15 0.87 0.07 92.46 11:38:01 AM all 28.48 0.00 1.29 0.84 0.10 69.29 11:38:01 AM 0 33.04 0.00 0.92 0.27 0.10 65.67 11:38:01 AM 1 28.71 0.00 2.10 0.60 0.10 68.48 11:38:01 AM 2 40.34 0.00 1.52 0.83 0.12 57.19 11:38:01 AM 3 9.44 0.00 1.24 1.04 0.08 88.20 11:38:01 AM 4 19.54 0.00 1.36 1.91 0.10 77.10 11:38:01 AM 5 28.10 0.00 1.65 1.62 0.10 68.52 11:38:01 AM 6 49.22 0.00 0.62 0.08 0.10 49.97 11:38:01 AM 7 19.34 0.00 0.90 0.40 0.10 79.26 Average: all 18.14 0.00 1.86 1.37 0.08 78.54 Average: 0 19.39 0.00 1.40 1.12 0.08 78.01 Average: 1 21.71 0.00 2.41 0.89 0.08 74.91 Average: 2 24.74 0.00 1.88 3.07 0.08 70.23 Average: 3 16.92 0.00 2.24 0.91 0.07 79.86 Average: 4 10.99 0.00 1.93 2.19 0.07 84.82 Average: 5 15.02 0.00 1.88 1.05 0.08 81.96 Average: 6 25.69 0.00 1.59 1.14 0.08 71.50 Average: 7 10.63 0.03 1.56 0.60 0.07 87.10