---> uname -a: Linux prd-centos8-docker-8c-8g-9859.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 1012 28354 19 2523 30429 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:3f:9b:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.97/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fe3f:9bbb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:84:e7:c8:46 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) 05/12/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 162.51 2.67 159.85 359.88 12664.10 05:20:01 AM 179.41 2.55 176.86 941.42 8102.12 05:21:01 AM 75.97 2.57 73.40 97.85 6382.22 Average: 139.30 2.59 136.71 466.40 9049.63 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28279456 30114316 4376256 13.40 2688 2152308 2665880 7.91 161180 3749376 106128 05:20:01 AM 27507600 29572500 5148112 15.76 2688 2374684 2902984 8.61 228004 4422904 110212 05:21:01 AM 29049428 31172344 3606284 11.04 2688 2429952 1469960 4.36 414908 2692568 29044 Average: 28278828 30286387 4376884 13.40 2688 2318981 2346275 6.96 268031 3621616 81795 05:18:01 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 197.17 163.10 1962.74 48.27 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 285.15 234.74 2444.51 47.34 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 183.84 173.60 351.14 174.19 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 222.05 190.48 1586.20 89.93 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) 05/12/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 12.29 0.00 1.28 0.44 0.06 85.93 05:19:01 AM 0 10.31 0.00 0.53 0.07 0.05 89.04 05:19:01 AM 1 22.45 0.00 2.66 1.04 0.08 73.77 05:19:01 AM 2 19.17 0.00 2.09 0.48 0.05 78.21 05:19:01 AM 3 16.59 0.00 1.29 0.42 0.07 81.64 05:19:01 AM 4 10.15 0.00 1.74 0.97 0.07 87.07 05:19:01 AM 5 7.81 0.00 0.73 0.35 0.03 91.07 05:19:01 AM 6 9.55 0.00 0.50 0.18 0.05 89.71 05:19:01 AM 7 2.28 0.00 0.69 0.00 0.08 96.95 05:20:01 AM all 39.05 0.00 1.45 0.39 0.08 59.03 05:20:01 AM 0 33.12 0.00 0.94 0.33 0.08 65.53 05:20:01 AM 1 41.43 0.00 1.47 0.45 0.08 56.57 05:20:01 AM 2 51.55 0.00 1.17 0.18 0.08 47.01 05:20:01 AM 3 33.85 0.00 1.59 0.80 0.08 63.68 05:20:01 AM 4 44.41 0.00 1.59 0.40 0.08 53.52 05:20:01 AM 5 42.67 0.00 1.55 0.17 0.08 55.53 05:20:01 AM 6 28.49 0.00 1.98 0.65 0.07 68.81 05:20:01 AM 7 36.86 0.00 1.29 0.15 0.07 61.64 05:21:01 AM all 27.93 0.00 1.45 0.33 0.08 70.22 05:21:01 AM 0 23.55 0.00 1.40 0.02 0.10 74.93 05:21:01 AM 1 26.82 0.00 1.27 1.59 0.07 70.25 05:21:01 AM 2 27.32 0.00 1.27 0.12 0.08 71.21 05:21:01 AM 3 34.54 0.00 1.76 0.12 0.07 63.52 05:21:01 AM 4 31.79 0.00 1.66 0.12 0.07 66.37 05:21:01 AM 5 27.25 0.00 1.39 0.25 0.08 71.03 05:21:01 AM 6 26.41 0.00 1.79 0.20 0.07 71.53 05:21:01 AM 7 25.74 0.00 1.05 0.23 0.08 72.89 Average: all 26.42 0.00 1.39 0.39 0.07 71.73 Average: 0 22.32 0.00 0.96 0.14 0.08 76.50 Average: 1 30.24 0.00 1.80 1.02 0.08 66.86 Average: 2 32.68 0.00 1.51 0.26 0.07 65.48 Average: 3 28.32 0.00 1.54 0.45 0.07 69.62 Average: 4 28.79 0.00 1.66 0.50 0.07 68.98 Average: 5 25.91 0.00 1.22 0.26 0.07 72.54 Average: 6 21.48 0.00 1.42 0.35 0.06 76.69 Average: 7 21.64 0.00 1.01 0.13 0.08 77.15