---> uname -a: Linux prd-centos8-docker-8c-8g-7158.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 1055 27073 19 3761 30372 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:81:ff:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.144/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fe81:ff12/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c8:f3:83:2a 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:c8ff:fef3:832a/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) 04/30/2026 _x86_64_ (8 CPU) 03:37:18 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 191.30 14.55 176.75 3222.53 14443.29 03:40:01 AM 399.03 4.83 394.20 1166.41 10508.08 03:41:01 AM 277.18 2.88 274.30 444.71 46604.30 Average: 289.18 7.42 281.76 1611.06 23853.68 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28883548 30843564 3772164 11.55 2688 2277228 1797660 5.33 163912 3141868 72408 03:40:01 AM 27854076 30211144 4801636 14.70 2688 2664984 2264660 6.72 269576 4026456 216200 03:41:01 AM 25932248 29239064 6723464 20.59 2688 3600208 3329104 9.88 650328 5513168 66724 Average: 27556624 30097924 5099088 15.61 2688 2847473 2463808 7.31 361272 4227164 118444 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 192.92 155.69 2291.11 42.19 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 429.92 368.11 5536.58 52.30 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 568.57 428.27 7368.48 568.93 0.00 0.00 0.00 0.00 03:41:01 AM docker0 19.02 29.57 1.03 308.72 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 397.16 317.37 5065.67 221.17 0.00 0.00 0.00 0.00 Average: docker0 6.34 9.86 0.34 102.92 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) 04/30/2026 _x86_64_ (8 CPU) 03:37:18 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 10.06 0.00 1.09 0.50 0.06 88.30 03:39:01 AM 0 11.22 0.00 0.52 0.22 0.07 87.98 03:39:01 AM 1 15.41 0.00 1.60 0.70 0.05 82.23 03:39:01 AM 2 4.25 0.00 0.67 0.47 0.05 94.57 03:39:01 AM 3 6.77 0.00 1.52 1.15 0.07 90.49 03:39:01 AM 4 5.80 0.00 0.72 0.20 0.05 93.23 03:39:01 AM 5 15.09 0.00 0.80 0.58 0.05 83.48 03:39:01 AM 6 20.15 0.00 2.26 0.52 0.05 77.03 03:39:01 AM 7 1.74 0.00 0.62 0.15 0.07 97.42 03:40:01 AM all 24.62 0.00 1.52 0.88 0.08 72.89 03:40:01 AM 0 19.57 0.00 2.28 1.37 0.08 76.69 03:40:01 AM 1 25.76 0.00 1.52 0.75 0.08 71.88 03:40:01 AM 2 22.62 0.00 2.16 2.03 0.10 73.09 03:40:01 AM 3 27.23 0.00 1.15 0.40 0.07 71.15 03:40:01 AM 4 43.04 0.00 0.99 0.55 0.08 55.34 03:40:01 AM 5 16.47 0.00 1.24 0.65 0.08 81.56 03:40:01 AM 6 26.87 0.00 1.29 0.54 0.08 71.23 03:40:01 AM 7 15.40 0.00 1.56 0.77 0.07 82.20 03:41:01 AM all 19.66 0.00 3.35 0.91 0.09 75.98 03:41:01 AM 0 22.47 0.00 2.48 0.72 0.10 74.22 03:41:01 AM 1 21.19 0.00 3.55 1.80 0.10 73.36 03:41:01 AM 2 25.04 0.00 4.11 0.98 0.08 69.80 03:41:01 AM 3 16.03 0.00 3.11 0.69 0.08 80.09 03:41:01 AM 4 10.73 0.00 3.55 1.67 0.08 83.97 03:41:01 AM 5 23.85 0.00 3.09 0.50 0.08 72.47 03:41:01 AM 6 19.87 0.00 3.18 0.52 0.10 76.32 03:41:01 AM 7 18.13 0.00 3.77 0.39 0.08 77.64 Average: all 18.11 0.00 1.99 0.76 0.08 79.07 Average: 0 17.74 0.00 1.76 0.77 0.08 79.65 Average: 1 20.78 0.00 2.22 1.08 0.08 75.83 Average: 2 17.28 0.00 2.31 1.16 0.08 79.18 Average: 3 16.67 0.00 1.93 0.75 0.07 80.58 Average: 4 19.88 0.00 1.75 0.80 0.07 77.50 Average: 5 18.46 0.00 1.71 0.58 0.07 79.18 Average: 6 22.30 0.00 2.24 0.53 0.08 74.86 Average: 7 11.75 0.00 1.98 0.44 0.07 85.77