---> uname -a: Linux prd-centos8-docker-8c-8g-20516.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 1067 26514 19 4308 30357 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:18:f1:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.32/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fe18:f109/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:70:82:80:cd 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::42:70ff:fe82:80cd/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) 02/26/2026 _x86_64_ (8 CPU) 02:28:17 LINUX RESTART (8 CPU) 02:29:02 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 185.85 14.74 171.11 3250.02 10609.37 02:31:01 AM 207.32 6.13 201.18 1195.00 15868.26 02:32:01 AM 139.95 15.03 124.93 5438.05 29792.89 Average: 177.66 11.95 165.71 3294.72 18802.50 02:29:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29242320 31110620 3413392 10.45 2688 2185964 1598536 4.74 180192 2774688 123216 02:31:01 AM 27382092 29853796 5273620 16.15 2688 2780864 2964168 8.79 266584 4506388 265628 02:32:01 AM 26374972 30213180 6280740 19.23 2688 4130044 2163732 6.42 739880 4976904 622796 Average: 27666461 30392532 4989251 15.28 2688 3032291 2242145 6.65 395552 4085993 337213 02:29:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 193.53 136.45 1554.41 39.54 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 865.66 483.19 7662.68 52.16 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.95 11.95 1.27 1.27 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1070.13 338.09 5672.11 42.09 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.32 5.43 0.62 0.63 0.00 0.00 0.00 0.00 Average: lo 4.00 4.00 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 712.64 320.25 4981.95 44.63 0.00 0.00 0.00 0.00 Average: docker0 1.45 1.82 0.21 0.21 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) 02/26/2026 _x86_64_ (8 CPU) 02:28:17 LINUX RESTART (8 CPU) 02:29:02 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 11.99 0.00 1.12 0.45 0.06 86.39 02:30:01 AM 0 3.91 0.00 0.70 0.10 0.05 95.24 02:30:01 AM 1 19.02 0.00 2.17 0.65 0.07 78.09 02:30:01 AM 2 22.14 0.00 1.97 0.75 0.07 75.07 02:30:01 AM 3 5.82 0.00 0.90 0.75 0.05 92.47 02:30:01 AM 4 16.16 0.00 1.15 0.48 0.05 82.16 02:30:01 AM 5 8.53 0.00 0.80 0.19 0.03 90.45 02:30:01 AM 6 3.30 0.00 0.82 0.54 0.07 95.28 02:30:01 AM 7 17.02 0.00 0.41 0.12 0.05 82.41 02:31:01 AM all 29.27 0.00 1.41 0.58 0.08 68.67 02:31:01 AM 0 35.57 0.00 1.96 0.40 0.08 61.99 02:31:01 AM 1 30.89 0.00 0.99 0.38 0.07 67.68 02:31:01 AM 2 11.44 0.00 0.95 0.27 0.07 87.27 02:31:01 AM 3 45.05 0.00 1.00 0.18 0.08 53.67 02:31:01 AM 4 27.08 0.00 1.29 0.33 0.08 71.22 02:31:01 AM 5 17.78 0.00 1.42 1.26 0.08 79.45 02:31:01 AM 6 29.29 0.00 2.94 1.69 0.08 66.00 02:31:01 AM 7 37.04 0.00 0.70 0.10 0.08 62.07 02:32:01 AM all 20.99 0.63 3.38 1.13 0.88 72.99 02:32:01 AM 0 18.37 2.38 3.05 0.22 0.81 75.18 02:32:01 AM 1 16.39 2.44 3.06 3.63 0.95 73.51 02:32:01 AM 2 20.37 0.02 3.73 1.91 0.95 73.02 02:32:01 AM 3 25.41 0.02 3.59 0.79 0.99 69.21 02:32:01 AM 4 18.65 0.02 3.57 0.35 0.91 76.51 02:32:01 AM 5 19.26 0.00 3.08 0.82 0.96 75.88 02:32:01 AM 6 24.80 0.00 3.42 1.15 0.56 70.06 02:32:01 AM 7 24.69 0.15 3.56 0.13 0.95 70.52 Average: all 20.79 0.21 1.97 0.72 0.34 75.97 Average: 0 19.37 0.80 1.91 0.24 0.31 77.38 Average: 1 22.12 0.82 2.07 1.56 0.36 73.07 Average: 2 17.96 0.01 2.22 0.98 0.36 78.47 Average: 3 25.54 0.01 1.84 0.57 0.38 71.67 Average: 4 20.65 0.01 2.01 0.39 0.35 76.60 Average: 5 15.22 0.00 1.77 0.76 0.36 81.89 Average: 6 19.18 0.00 2.40 1.13 0.24 77.06 Average: 7 26.29 0.05 1.57 0.12 0.36 71.61