---> uname -a: Linux prd-centos8-docker-8c-8g-1493.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 1053 27227 19 3609 30377 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:e5:49:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86136sec preferred_lft 86136sec inet6 fe80::f816:3eff:fee5:49dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:82:e2:c7 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::42:46ff:fe82:e2c7/64 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) 03/12/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 213.75 14.48 199.27 3200.13 11249.30 05:14:01 PM 416.08 4.77 411.31 1165.14 15345.56 05:15:01 PM 231.87 2.50 229.37 394.80 41860.51 Average: 287.23 7.25 279.98 1586.71 22818.87 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29286320 31192896 3369384 10.32 2688 2223048 1960060 5.82 185496 2718988 165184 05:14:01 PM 27981064 30305500 4674640 14.31 2688 2631604 2103148 6.24 395940 3770380 192616 05:15:01 PM 27814164 31037076 4841540 14.83 2688 3519964 1594124 4.73 641624 3657412 165292 Average: 28360516 30845157 4295188 13.15 2688 2791539 1885777 5.60 407687 3382260 174364 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 221.74 181.91 2267.12 46.79 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 464.91 391.13 5871.83 54.76 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 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 519.48 418.53 5986.97 1272.35 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.48 14.50 0.55 257.79 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 402.04 330.52 4708.57 457.99 0.00 0.00 0.00 0.00 Average: docker0 2.49 4.83 0.18 85.93 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) 03/12/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 13.12 0.00 1.29 0.90 0.08 84.61 05:13:01 PM 0 10.16 0.00 0.65 0.70 0.08 88.41 05:13:01 PM 1 10.62 0.00 0.75 0.60 0.10 87.93 05:13:01 PM 2 24.66 0.00 2.14 1.39 0.10 71.72 05:13:01 PM 3 9.97 0.00 1.14 1.34 0.08 87.47 05:13:01 PM 4 7.97 0.00 0.65 0.48 0.07 90.83 05:13:01 PM 5 23.98 0.00 2.06 0.72 0.08 73.17 05:13:01 PM 6 7.30 0.00 0.87 0.42 0.05 91.36 05:13:01 PM 7 10.28 0.00 2.06 1.52 0.08 86.05 05:14:01 PM all 28.54 0.00 1.82 1.56 0.12 67.96 05:14:01 PM 0 31.66 0.00 1.41 0.67 0.10 66.16 05:14:01 PM 1 18.90 0.00 2.20 1.56 0.12 77.23 05:14:01 PM 2 16.93 0.00 1.66 2.17 0.10 79.14 05:14:01 PM 3 26.60 0.00 1.49 0.59 0.13 71.19 05:14:01 PM 4 28.97 0.00 2.52 3.42 0.13 64.95 05:14:01 PM 5 44.78 0.00 1.05 1.42 0.13 52.61 05:14:01 PM 6 36.16 0.00 2.76 1.81 0.13 59.14 05:14:01 PM 7 24.26 0.00 1.51 0.87 0.10 73.26 05:15:01 PM all 16.49 0.00 2.73 1.69 0.10 78.99 05:15:01 PM 0 17.92 0.00 2.25 1.27 0.10 78.46 05:15:01 PM 1 12.70 0.00 2.86 3.43 0.10 80.90 05:15:01 PM 2 13.51 0.00 3.13 3.09 0.12 80.15 05:15:01 PM 3 22.95 0.00 2.49 0.25 0.08 74.22 05:15:01 PM 4 14.63 0.00 2.89 1.71 0.12 80.65 05:15:01 PM 5 22.02 0.00 3.30 2.14 0.08 72.46 05:15:01 PM 6 16.18 0.00 2.22 0.65 0.07 80.89 05:15:01 PM 7 12.03 0.00 2.71 1.01 0.10 84.15 Average: all 19.38 0.00 1.95 1.38 0.10 77.19 Average: 0 19.90 0.00 1.43 0.88 0.09 77.69 Average: 1 14.07 0.00 1.93 1.86 0.11 82.03 Average: 2 18.38 0.00 2.31 2.21 0.11 76.99 Average: 3 19.83 0.00 1.70 0.73 0.10 77.64 Average: 4 17.18 0.00 2.02 1.87 0.11 78.83 Average: 5 30.27 0.00 2.13 1.42 0.10 66.07 Average: 6 19.87 0.00 1.95 0.96 0.08 77.14 Average: 7 15.52 0.00 2.09 1.14 0.10 81.16