---> uname -a: Linux prd-centos8-docker-8c-8g-1086.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 1072 27192 19 3624 30358 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:de:4a:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.109/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fede:4afe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7f:ae:7f:e8 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::42:7fff:feae:7fe8/64 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) 03/02/2026 _x86_64_ (8 CPU) 17:12:01 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 468.01 14.91 453.10 3492.84 15157.40 05:15:02 PM 253.60 6.66 246.93 875.04 16059.88 05:16:01 PM 158.03 1.75 156.29 434.70 40353.56 Average: 293.97 7.81 286.16 1607.37 23764.82 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28628364 30703356 4027348 12.33 2688 2386132 1857444 5.51 207700 3333072 184228 05:15:02 PM 27198520 29799748 5457192 16.71 2688 2904356 2452876 7.28 485712 4450544 260960 05:16:01 PM 27840472 31081688 4815240 14.75 2688 3537600 1543736 4.58 815344 3458572 23120 Average: 27889119 30528264 4766593 14.60 2688 2942696 1951352 5.79 502919 3747396 156103 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 399.30 351.53 3735.55 72.57 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:02 PM eth0 537.44 432.62 6776.55 53.50 0.00 0.00 0.00 0.00 05:15:02 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 320.20 305.32 3011.02 2410.57 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.81 15.40 0.52 261.65 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 419.53 363.48 4516.06 836.81 0.00 0.00 0.00 0.00 Average: docker0 2.25 5.08 0.17 86.24 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) 03/02/2026 _x86_64_ (8 CPU) 17:12:01 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 17.90 0.00 1.59 1.24 0.09 79.18 05:14:01 PM 0 22.55 0.00 0.65 0.25 0.08 76.46 05:14:01 PM 1 12.01 0.00 2.01 1.41 0.08 84.49 05:14:01 PM 2 33.41 0.00 1.49 1.32 0.08 63.70 05:14:01 PM 3 9.87 0.00 1.68 0.95 0.08 87.42 05:14:01 PM 4 16.25 0.00 1.37 0.60 0.10 81.68 05:14:01 PM 5 26.31 0.00 3.00 3.37 0.10 67.23 05:14:01 PM 6 9.62 0.00 1.52 1.19 0.08 87.58 05:14:01 PM 7 13.19 0.00 1.02 0.84 0.08 84.87 05:15:02 PM all 30.95 0.00 1.53 0.65 0.10 66.78 05:15:02 PM 0 30.79 0.00 1.57 0.47 0.10 67.07 05:15:02 PM 1 27.46 0.00 1.10 0.32 0.08 71.04 05:15:02 PM 2 37.33 0.00 2.47 1.71 0.12 58.37 05:15:02 PM 3 48.22 0.00 1.68 0.67 0.12 49.31 05:15:02 PM 4 31.92 0.00 0.99 0.17 0.08 66.85 05:15:02 PM 5 24.33 0.00 1.56 0.74 0.10 73.27 05:15:02 PM 6 23.76 0.00 1.63 0.59 0.10 73.93 05:15:02 PM 7 23.79 0.00 1.21 0.52 0.08 74.40 05:16:01 PM all 11.93 0.00 2.65 0.58 0.07 84.76 05:16:01 PM 0 5.82 0.00 2.63 0.22 0.07 91.27 05:16:01 PM 1 10.64 0.00 2.76 1.01 0.09 85.50 05:16:01 PM 2 18.46 0.00 2.71 1.86 0.09 76.88 05:16:01 PM 3 10.88 0.00 3.11 0.67 0.07 85.28 05:16:01 PM 4 22.52 0.00 2.93 0.44 0.07 74.04 05:16:01 PM 5 14.02 0.00 2.44 0.19 0.07 83.29 05:16:01 PM 6 6.54 0.00 2.22 0.19 0.05 91.00 05:16:01 PM 7 6.51 0.00 2.40 0.10 0.09 90.90 Average: all 20.31 0.00 1.92 0.83 0.09 76.86 Average: 0 19.81 0.00 1.61 0.31 0.08 78.18 Average: 1 16.74 0.00 1.95 0.91 0.08 80.31 Average: 2 29.80 0.00 2.22 1.63 0.10 66.25 Average: 3 23.06 0.00 2.15 0.76 0.09 73.93 Average: 4 23.56 0.00 1.76 0.40 0.08 74.19 Average: 5 21.60 0.00 2.33 1.44 0.09 74.54 Average: 6 13.35 0.00 1.79 0.66 0.08 84.13 Average: 7 14.55 0.00 1.54 0.49 0.08 83.34