---> uname -a: Linux prd-centos8-docker-8c-8g-2552.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 1056 27139 19 3693 30370 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:f1:63:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.179/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86136sec preferred_lft 86136sec inet6 fe80::f816:3eff:fef1:63c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b5:35:fa:cd 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:b5ff:fe35:facd/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) 03/06/2026 _x86_64_ (8 CPU) 03:37:26 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 208.53 14.50 194.04 3200.67 10516.46 03:40:01 AM 463.74 4.77 458.97 1165.14 15532.99 03:41:01 AM 263.15 3.03 260.12 541.20 44887.94 Average: 311.80 7.43 304.37 1635.63 23647.43 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29288436 31189784 3367276 10.31 2688 2217932 1951516 5.79 185236 2718240 163732 03:40:01 AM 27490580 29797596 5165132 15.82 2688 2614444 2614384 7.76 390720 4267332 183792 03:41:01 AM 27839120 31136944 4816592 14.75 2688 3591424 1471880 4.37 650124 3614392 133608 Average: 28206045 30708108 4449667 13.63 2688 2807933 2012593 5.97 408693 3533321 160377 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 218.13 181.54 2253.96 46.38 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 459.77 394.12 5670.70 54.28 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 666.88 553.31 7097.88 1371.81 0.00 0.00 0.00 0.00 03:41:01 AM docker0 21.76 32.73 1.17 308.81 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 448.27 376.33 5007.59 490.90 0.00 0.00 0.00 0.00 Average: docker0 7.25 10.91 0.39 102.96 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) 03/06/2026 _x86_64_ (8 CPU) 03:37:26 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 12.53 0.00 1.15 0.62 0.06 85.63 03:39:01 AM 0 19.41 0.00 1.80 0.38 0.08 78.32 03:39:01 AM 1 15.05 0.00 1.07 0.47 0.07 83.34 03:39:01 AM 2 7.41 0.00 1.31 1.39 0.08 89.80 03:39:01 AM 3 14.02 0.00 0.79 0.48 0.05 84.66 03:39:01 AM 4 12.15 0.00 1.40 1.12 0.07 85.26 03:39:01 AM 5 9.39 0.00 0.68 0.67 0.05 89.21 03:39:01 AM 6 3.99 0.00 0.53 0.30 0.05 95.12 03:39:01 AM 7 18.79 0.00 1.59 0.17 0.07 79.38 03:40:01 AM all 29.20 0.00 1.84 1.15 0.09 67.73 03:40:01 AM 0 27.58 0.00 2.33 1.12 0.08 68.89 03:40:01 AM 1 31.09 0.00 1.57 1.17 0.08 66.08 03:40:01 AM 2 22.69 0.00 1.75 1.11 0.08 74.37 03:40:01 AM 3 35.54 0.00 1.37 0.28 0.08 62.72 03:40:01 AM 4 28.81 0.00 1.37 0.59 0.10 69.13 03:40:01 AM 5 32.86 0.00 2.58 3.36 0.08 61.11 03:40:01 AM 6 32.65 0.00 2.03 1.02 0.08 64.21 03:40:01 AM 7 22.37 0.00 1.68 0.54 0.08 75.34 03:41:01 AM all 16.75 0.00 3.45 0.89 0.08 78.83 03:41:01 AM 0 21.99 0.00 3.65 0.47 0.08 73.81 03:41:01 AM 1 13.74 0.00 3.39 0.92 0.08 81.86 03:41:01 AM 2 13.00 0.00 4.44 1.21 0.10 81.24 03:41:01 AM 3 14.41 0.00 3.42 1.04 0.08 81.04 03:41:01 AM 4 20.46 0.00 2.92 0.30 0.07 76.25 03:41:01 AM 5 19.26 0.00 2.72 0.91 0.08 77.03 03:41:01 AM 6 19.44 0.00 4.11 1.99 0.08 74.38 03:41:01 AM 7 11.70 0.00 2.93 0.25 0.07 85.05 Average: all 19.49 0.00 2.14 0.89 0.08 77.41 Average: 0 22.99 0.00 2.59 0.66 0.08 73.68 Average: 1 19.96 0.00 2.01 0.85 0.08 77.09 Average: 2 14.37 0.00 2.49 1.24 0.09 81.81 Average: 3 21.33 0.00 1.86 0.60 0.07 76.14 Average: 4 20.46 0.00 1.90 0.67 0.08 76.89 Average: 5 20.48 0.00 1.99 1.64 0.07 75.81 Average: 6 18.68 0.00 2.22 1.10 0.07 77.93 Average: 7 17.63 0.00 2.06 0.32 0.07 79.91