---> uname -a: Linux prd-centos8-docker-8c-8g-16622.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 27223 19 3614 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:2b:1a:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe2b:1afc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3d:a5:9d:20 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::42:3dff:fea5:9d20/64 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) 02/13/2026 _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 265.12 14.30 250.82 3093.75 13764.52 05:14:01 PM 525.12 7.11 518.01 1272.91 15609.91 05:15:01 PM 161.90 1.60 160.30 388.54 39679.07 Average: 317.38 7.67 309.71 1584.98 23018.35 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28965468 30937824 3690244 11.30 2688 2286312 1834368 5.44 190860 3020812 157448 05:14:01 PM 27591496 30082004 5064216 15.51 2688 2794148 2243756 6.66 416236 4127276 293776 05:15:01 PM 27941476 31170196 4714236 14.44 2688 3524916 1523128 4.52 641396 3529532 159760 Average: 28166147 30730008 4489565 13.75 2688 2868459 1867084 5.54 416164 3559207 203661 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 296.42 255.72 3207.54 48.31 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 589.19 496.92 7422.83 64.16 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 349.70 336.74 3483.81 2371.94 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.75 15.03 0.52 257.30 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 411.77 363.13 4704.81 828.18 0.00 0.00 0.00 0.00 Average: docker0 2.25 5.01 0.17 85.77 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) 02/13/2026 _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 14.86 0.00 1.34 0.78 0.07 82.96 05:13:01 PM 0 12.35 0.00 1.30 0.70 0.07 85.58 05:13:01 PM 1 12.09 0.00 1.47 1.09 0.07 85.28 05:13:01 PM 2 10.24 0.00 1.66 1.27 0.08 86.75 05:13:01 PM 3 12.78 0.00 0.72 0.28 0.07 86.15 05:13:01 PM 4 16.27 0.00 1.97 0.55 0.05 81.16 05:13:01 PM 5 27.54 0.00 1.90 1.47 0.05 69.04 05:13:01 PM 6 12.55 0.00 0.87 0.45 0.08 86.04 05:13:01 PM 7 15.06 0.00 0.80 0.42 0.07 83.65 05:14:01 PM all 29.61 0.00 1.83 1.14 0.10 67.32 05:14:01 PM 0 24.72 0.00 1.66 0.47 0.10 73.05 05:14:01 PM 1 42.88 0.00 2.09 0.69 0.10 54.24 05:14:01 PM 2 40.65 0.00 1.83 1.04 0.10 56.39 05:14:01 PM 3 25.05 0.00 1.29 0.30 0.10 73.25 05:14:01 PM 4 27.03 0.00 1.71 1.74 0.10 69.42 05:14:01 PM 5 29.97 0.00 2.09 1.22 0.10 66.61 05:14:01 PM 6 21.25 0.00 1.61 1.49 0.08 75.56 05:14:01 PM 7 25.31 0.00 2.35 2.13 0.10 70.11 05:15:01 PM all 12.67 0.00 2.36 0.65 0.07 84.26 05:15:01 PM 0 13.25 0.00 1.83 0.18 0.08 84.66 05:15:01 PM 1 20.00 0.00 3.54 1.86 0.08 74.52 05:15:01 PM 2 22.72 0.00 2.84 0.23 0.08 74.12 05:15:01 PM 3 5.85 0.00 1.78 0.55 0.08 91.74 05:15:01 PM 4 9.08 0.00 2.16 0.77 0.07 87.92 05:15:01 PM 5 8.84 0.00 2.01 0.30 0.05 88.80 05:15:01 PM 6 5.83 0.00 2.57 0.49 0.07 91.05 05:15:01 PM 7 15.80 0.00 2.13 0.77 0.07 81.24 Average: all 19.05 0.00 1.84 0.85 0.08 78.18 Average: 0 16.77 0.00 1.60 0.45 0.08 81.10 Average: 1 24.99 0.00 2.37 1.21 0.08 71.35 Average: 2 24.53 0.00 2.11 0.85 0.09 72.43 Average: 3 14.56 0.00 1.26 0.38 0.08 83.72 Average: 4 17.46 0.00 1.95 1.02 0.07 79.50 Average: 5 22.12 0.00 2.00 1.00 0.07 74.81 Average: 6 13.21 0.00 1.68 0.81 0.08 84.21 Average: 7 18.72 0.00 1.76 1.10 0.08 78.34