---> uname -a: Linux prd-centos8-docker-8c-8g-1245.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 1080 26404 19 4405 30342 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:9d:06:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.201/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe9d:63b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:17:89:22:62 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::42:17ff:fe89:2262/64 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) 05/19/2026 _x86_64_ (8 CPU) 07:31:07 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 255.50 16.59 238.90 3198.13 15456.70 07:34:01 AM 172.49 2.67 169.82 1044.09 27940.91 07:35:01 AM 150.68 16.38 134.31 5546.82 14557.56 Average: 192.89 11.88 181.01 3263.14 19317.91 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28943272 30920644 3712440 11.37 2688 2292340 1684308 5.00 196704 3040912 81164 07:34:01 AM 26494520 29599852 6161192 18.87 2688 3401696 2862616 8.49 323944 5274252 330416 07:35:01 AM 27064124 31093036 5591588 17.12 2688 4318276 1516348 4.50 756780 4269992 748032 Average: 27500639 30537844 5155073 15.79 2688 3337437 2021091 6.00 425809 4195052 386537 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 212.86 179.36 2133.26 49.03 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1639.96 568.64 11284.72 51.48 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM lo 12.91 12.91 1.36 1.36 0.00 0.00 0.00 0.00 07:35:01 AM eth0 168.94 131.99 1715.12 33.31 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.83 6.00 0.65 0.70 0.00 0.00 0.00 0.00 Average: lo 4.30 4.30 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 673.87 293.31 5044.02 44.60 0.00 0.00 0.00 0.00 Average: docker0 1.61 2.00 0.22 0.23 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) 05/19/2026 _x86_64_ (8 CPU) 07:31:07 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 14.42 0.00 1.42 1.21 0.06 82.90 07:33:01 AM 0 8.03 0.00 1.29 1.95 0.10 88.63 07:33:01 AM 1 26.09 0.00 2.24 1.39 0.07 70.22 07:33:01 AM 2 20.63 0.00 1.59 1.44 0.05 76.30 07:33:01 AM 3 24.05 0.00 1.91 1.47 0.07 72.50 07:33:01 AM 4 7.22 0.00 1.19 1.34 0.05 90.21 07:33:01 AM 5 10.64 0.00 1.07 0.48 0.03 87.77 07:33:01 AM 6 12.02 0.00 1.39 1.29 0.05 85.26 07:33:01 AM 7 6.68 0.00 0.67 0.35 0.03 92.26 07:34:01 AM all 28.50 0.00 2.19 2.37 0.08 66.87 07:34:01 AM 0 25.60 0.00 1.44 0.07 0.07 72.82 07:34:01 AM 1 24.07 0.00 2.55 7.21 0.08 66.08 07:34:01 AM 2 36.25 0.00 1.89 1.38 0.08 60.39 07:34:01 AM 3 39.45 0.00 2.25 4.49 0.08 53.73 07:34:01 AM 4 26.19 0.00 2.61 3.43 0.08 67.69 07:34:01 AM 5 27.89 0.00 2.40 0.71 0.08 68.91 07:34:01 AM 6 25.19 0.00 2.28 0.93 0.07 71.53 07:34:01 AM 7 23.32 0.00 2.07 0.74 0.07 73.80 07:35:01 AM all 23.97 0.30 2.67 1.94 0.09 71.03 07:35:01 AM 0 21.58 0.02 2.21 0.39 0.10 75.70 07:35:01 AM 1 22.49 0.50 2.60 2.13 0.10 72.18 07:35:01 AM 2 28.77 1.75 3.22 5.12 0.08 61.06 07:35:01 AM 3 21.09 0.02 3.32 2.49 0.08 73.00 07:35:01 AM 4 30.62 0.02 3.07 0.59 0.08 65.62 07:35:01 AM 5 24.27 0.02 2.26 2.31 0.08 71.05 07:35:01 AM 6 20.97 0.03 2.42 0.77 0.10 75.71 07:35:01 AM 7 21.94 0.03 2.28 1.75 0.10 73.89 Average: all 22.28 0.10 2.09 1.84 0.08 73.62 Average: 0 18.39 0.01 1.65 0.80 0.09 79.06 Average: 1 24.22 0.17 2.46 3.57 0.08 69.49 Average: 2 28.53 0.58 2.23 2.65 0.07 65.94 Average: 3 28.20 0.01 2.49 2.82 0.08 66.41 Average: 4 21.33 0.01 2.28 1.78 0.07 74.53 Average: 5 20.92 0.01 1.91 1.17 0.07 75.93 Average: 6 19.37 0.01 2.03 1.00 0.07 77.52 Average: 7 17.29 0.01 1.67 0.95 0.07 80.01