---> uname -a: Linux prd-centos8-docker-8c-8g-311.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 1052 27225 19 3612 30378 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:7b:bc:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.102/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe7b:bc84/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:77:ad:33:e6 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::42:77ff:fead:33e6/64 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) 03/07/2026 _x86_64_ (8 CPU) 17:11:15 LINUX RESTART (8 CPU) 05:12:02 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 271.06 14.57 256.49 3145.65 12668.84 05:14:01 PM 456.12 7.17 448.96 1274.19 14747.24 05:15:01 PM 169.44 2.65 166.79 436.79 39761.76 Average: 299.02 8.09 290.93 1610.37 22447.35 05:12:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28840116 30815604 3815596 11.68 2688 2289076 1806596 5.36 195796 3142324 154552 05:14:01 PM 27636004 30122244 5019708 15.37 2688 2790488 2243460 6.66 412232 4087832 293200 05:15:01 PM 27858656 31085276 4797056 14.69 2688 3523204 1510052 4.48 812328 3443964 159720 Average: 28111592 30674375 4544120 13.92 2688 2867589 1853369 5.50 473452 3558040 202491 05:12:02 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 289.16 252.02 2846.18 59.60 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 611.55 501.65 7359.98 62.59 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 358.65 341.99 3488.20 2374.05 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.01 14.83 0.47 257.16 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 420.50 365.84 4574.23 836.44 0.00 0.00 0.00 0.00 Average: docker0 2.02 4.97 0.16 86.20 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) 03/07/2026 _x86_64_ (8 CPU) 17:11:15 LINUX RESTART (8 CPU) 05:12:02 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 16.73 0.00 1.54 0.86 0.08 80.79 05:13:01 PM 0 10.99 0.00 0.82 0.26 0.09 87.86 05:13:01 PM 1 14.54 0.00 1.82 1.97 0.09 81.58 05:13:01 PM 2 17.35 0.00 1.60 1.43 0.07 79.56 05:13:01 PM 3 23.73 0.00 2.40 1.36 0.07 72.44 05:13:01 PM 4 16.84 0.00 1.07 0.68 0.10 81.31 05:13:01 PM 5 21.62 0.00 1.94 0.54 0.07 75.84 05:13:01 PM 6 17.13 0.00 2.04 0.42 0.07 80.34 05:13:01 PM 7 11.67 0.00 0.63 0.26 0.07 87.37 05:14:01 PM all 29.91 0.00 1.86 1.18 0.09 66.95 05:14:01 PM 0 23.83 0.00 1.26 0.49 0.10 74.33 05:14:01 PM 1 36.74 0.00 2.18 1.56 0.10 59.42 05:14:01 PM 2 34.06 0.00 1.69 0.82 0.10 63.32 05:14:01 PM 3 32.23 0.00 1.48 0.92 0.10 65.27 05:14:01 PM 4 15.95 0.00 2.83 3.74 0.08 77.40 05:14:01 PM 5 33.57 0.00 1.36 0.27 0.08 64.72 05:14:01 PM 6 32.30 0.00 1.81 0.42 0.08 65.39 05:14:01 PM 7 30.58 0.00 2.27 1.24 0.08 65.82 05:15:01 PM all 17.05 0.00 2.85 0.70 0.08 79.32 05:15:01 PM 0 21.27 0.00 3.43 0.37 0.08 74.85 05:15:01 PM 1 13.27 0.00 2.63 0.96 0.07 83.07 05:15:01 PM 2 19.88 0.00 3.41 1.19 0.08 75.44 05:15:01 PM 3 23.03 0.00 3.27 1.12 0.08 72.49 05:15:01 PM 4 12.99 0.00 3.05 0.64 0.07 83.25 05:15:01 PM 5 6.67 0.00 2.25 0.91 0.08 90.09 05:15:01 PM 6 19.09 0.00 2.11 0.13 0.07 78.59 05:15:01 PM 7 20.19 0.00 2.67 0.29 0.07 76.79 Average: all 21.25 0.00 2.09 0.92 0.08 75.66 Average: 0 18.73 0.00 1.84 0.37 0.09 78.97 Average: 1 21.55 0.00 2.21 1.49 0.08 74.65 Average: 2 23.79 0.00 2.23 1.15 0.08 72.74 Average: 3 26.34 0.00 2.38 1.14 0.08 70.06 Average: 4 15.25 0.00 2.32 1.69 0.08 80.65 Average: 5 20.62 0.00 1.85 0.57 0.08 76.88 Average: 6 22.87 0.00 1.99 0.33 0.07 74.75 Average: 7 20.86 0.00 1.86 0.60 0.07 76.61