---> uname -a: Linux prd-centos8-docker-8c-8g-4986.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 1051 27223 19 3615 30379 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:f2:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.125/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe7b:f24d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:ae:0c:55 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::42:49ff:feae:c55/64 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) 01/12/2026 _x86_64_ (8 CPU) 17:14:16 LINUX RESTART (8 CPU) 05:15:01 PM tps rtps wtps bread/s bwrtn/s 05:16:01 PM 259.35 14.33 245.02 3093.24 11868.13 05:17:01 PM 484.16 7.13 477.02 1273.98 17002.20 05:18:01 PM 166.83 1.53 165.29 462.25 39744.59 Average: 303.44 7.66 295.78 1609.82 22871.64 05:15:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 PM 28871020 30846228 3784692 11.59 2688 2288640 1830332 5.43 196928 3110572 209788 05:17:01 PM 27572924 30063448 5082788 15.56 2688 2794092 2293756 6.81 414036 4145800 294896 05:18:01 PM 27822544 31051972 4833168 14.80 2688 3525536 1573440 4.67 814488 3475816 161008 Average: 28088829 30653883 4566883 13.98 2688 2869423 1899176 5.63 475151 3577396 221897 05:15:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 312.31 265.23 3190.76 60.16 0.00 0.00 0.00 0.00 05:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM eth0 607.60 496.10 7401.23 63.43 0.00 0.00 0.00 0.00 05:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:18:01 PM eth0 303.40 264.43 3454.93 1242.25 0.00 0.00 0.00 0.00 05:18:01 PM docker0 7.56 15.78 0.55 243.82 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 407.77 341.92 4682.31 455.28 0.00 0.00 0.00 0.00 Average: docker0 2.52 5.26 0.18 81.27 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) 01/12/2026 _x86_64_ (8 CPU) 17:14:16 LINUX RESTART (8 CPU) 05:15:01 PM CPU %user %nice %system %iowait %steal %idle 05:16:01 PM all 16.55 0.00 1.46 0.71 0.07 81.21 05:16:01 PM 0 8.64 0.00 0.88 0.47 0.08 89.92 05:16:01 PM 1 6.48 0.00 0.99 0.53 0.05 91.95 05:16:01 PM 2 31.45 0.00 2.27 0.64 0.07 65.57 05:16:01 PM 3 16.12 0.00 2.05 1.38 0.08 80.38 05:16:01 PM 4 32.14 0.00 2.37 1.04 0.07 64.39 05:16:01 PM 5 13.64 0.00 0.94 0.58 0.07 84.78 05:16:01 PM 6 11.38 0.00 1.52 0.82 0.07 86.21 05:16:01 PM 7 12.60 0.00 0.67 0.22 0.05 86.47 05:17:01 PM all 29.47 0.00 1.96 1.21 0.08 67.27 05:17:01 PM 0 22.86 0.00 2.03 1.16 0.08 73.87 05:17:01 PM 1 34.30 0.00 1.91 1.01 0.10 62.68 05:17:01 PM 2 41.89 0.00 3.00 1.51 0.08 53.51 05:17:01 PM 3 34.67 0.00 1.27 0.30 0.08 63.67 05:17:01 PM 4 22.76 0.00 2.82 3.66 0.08 70.68 05:17:01 PM 5 25.94 0.00 1.59 0.84 0.07 71.56 05:17:01 PM 6 29.95 0.00 1.76 0.94 0.08 67.27 05:17:01 PM 7 23.42 0.00 1.31 0.28 0.08 74.90 05:18:01 PM all 16.59 0.00 2.83 0.74 0.07 79.77 05:18:01 PM 0 16.57 0.00 3.04 1.31 0.07 79.02 05:18:01 PM 1 19.84 0.00 3.15 1.12 0.08 75.80 05:18:01 PM 2 16.41 0.00 3.24 1.61 0.07 78.66 05:18:01 PM 3 23.77 0.00 2.88 0.40 0.05 72.89 05:18:01 PM 4 15.19 0.00 2.51 0.44 0.05 81.81 05:18:01 PM 5 10.53 0.00 2.82 0.17 0.08 86.39 05:18:01 PM 6 16.68 0.00 2.68 0.81 0.05 79.78 05:18:01 PM 7 13.69 0.00 2.32 0.08 0.07 83.84 Average: all 20.87 0.00 2.08 0.89 0.07 76.09 Average: 0 16.01 0.00 1.98 0.98 0.08 80.95 Average: 1 20.19 0.00 2.01 0.89 0.08 76.83 Average: 2 29.93 0.00 2.84 1.25 0.07 65.91 Average: 3 24.86 0.00 2.07 0.69 0.07 72.31 Average: 4 23.37 0.00 2.57 1.71 0.07 72.29 Average: 5 16.70 0.00 1.78 0.53 0.07 80.91 Average: 6 19.33 0.00 1.99 0.85 0.07 77.76 Average: 7 16.57 0.00 1.43 0.20 0.07 81.74