---> uname -a: Linux prd-centos8-docker-8c-8g-6542.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: 2800.000 BogoMIPS: 5600.00 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 1038 27090 19 3761 30388 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:79:d4:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.87/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe79:d46e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0d:b3:d1:f4 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:dff:feb3:d1f4/64 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) 04/28/2026 _x86_64_ (8 CPU) 03:37:19 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 225.33 14.56 210.76 3222.93 13386.79 03:40:01 AM 418.60 4.82 413.78 1166.21 14473.99 03:41:01 AM 262.78 2.95 259.83 460.11 45020.19 Average: 302.23 7.44 294.79 1616.35 24294.81 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29172368 31144972 3483336 10.67 2688 2289136 1987332 5.90 194432 2819868 149344 03:40:01 AM 27684272 30061916 4971432 15.22 2688 2685040 2376232 7.05 396716 4069892 187476 03:41:01 AM 27748128 31113104 4907576 15.03 2688 3658768 1540392 4.57 657636 3697708 133640 Average: 28201589 30773331 4454115 13.64 2688 2877648 1967985 5.84 416261 3529156 156820 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 224.91 189.04 2661.40 48.08 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 406.53 354.81 5653.95 52.25 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 634.11 517.56 7093.29 1370.49 0.00 0.00 0.00 0.00 03:41:01 AM docker0 26.29 37.87 1.40 309.41 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 421.86 353.81 5136.32 490.32 0.00 0.00 0.00 0.00 Average: docker0 8.76 12.62 0.47 103.15 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) 04/28/2026 _x86_64_ (8 CPU) 03:37:19 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 12.96 0.00 1.25 0.83 0.06 84.89 03:39:01 AM 0 17.35 0.00 1.09 0.42 0.10 81.05 03:39:01 AM 1 8.00 0.00 0.89 0.75 0.07 90.29 03:39:01 AM 2 7.78 0.00 0.85 0.67 0.07 90.63 03:39:01 AM 3 14.77 0.00 1.94 1.19 0.07 82.04 03:39:01 AM 4 14.60 0.00 1.10 0.50 0.05 83.75 03:39:01 AM 5 15.49 0.00 1.10 0.72 0.07 82.62 03:39:01 AM 6 18.11 0.00 2.15 1.90 0.05 77.79 03:39:01 AM 7 7.58 0.00 0.90 0.50 0.05 90.97 03:40:01 AM all 27.11 0.00 1.58 1.21 0.09 70.01 03:40:01 AM 0 19.94 0.00 1.07 0.44 0.08 78.47 03:40:01 AM 1 23.76 0.00 1.61 1.91 0.10 72.62 03:40:01 AM 2 33.57 0.00 2.63 2.65 0.08 61.06 03:40:01 AM 3 31.73 0.00 1.51 1.00 0.10 65.66 03:40:01 AM 4 29.32 0.00 1.29 0.40 0.07 68.92 03:40:01 AM 5 33.62 0.00 1.69 0.84 0.08 63.77 03:40:01 AM 6 25.83 0.00 1.36 1.07 0.10 71.64 03:40:01 AM 7 19.11 0.00 1.51 1.36 0.08 77.94 03:41:01 AM all 16.21 0.00 2.89 0.93 0.08 79.89 03:41:01 AM 0 7.76 0.00 2.30 0.22 0.08 89.64 03:41:01 AM 1 16.12 0.00 3.06 1.48 0.10 79.25 03:41:01 AM 2 26.13 0.00 3.24 1.13 0.10 69.40 03:41:01 AM 3 20.95 0.00 3.51 1.61 0.08 73.85 03:41:01 AM 4 10.58 0.00 3.12 1.24 0.08 84.97 03:41:01 AM 5 11.59 0.00 2.55 0.34 0.07 85.46 03:41:01 AM 6 18.99 0.00 2.54 0.22 0.07 78.19 03:41:01 AM 7 17.63 0.00 2.79 1.21 0.07 78.30 Average: all 18.76 0.00 1.91 0.99 0.08 78.26 Average: 0 15.02 0.00 1.48 0.36 0.09 83.05 Average: 1 15.96 0.00 1.85 1.38 0.09 80.72 Average: 2 22.48 0.00 2.24 1.48 0.08 73.71 Average: 3 22.48 0.00 2.32 1.27 0.08 73.85 Average: 4 18.17 0.00 1.84 0.71 0.07 79.21 Average: 5 20.24 0.00 1.78 0.63 0.07 77.28 Average: 6 20.98 0.00 2.01 1.07 0.07 75.87 Average: 7 14.76 0.00 1.73 1.02 0.07 82.41