---> uname -a: Linux prd-centos8-docker-4c-4g-18931.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 773 12229 19 2760 14655 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:68:3c:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.62/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe68:3c81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:19:84:f5:24 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/21/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 160.01 15.26 144.74 3211.33 9628.85 01:25:01 PM 215.54 6.21 209.33 1055.91 15360.20 01:26:01 PM 32.39 0.70 31.69 31.99 893.52 Average: 135.99 7.39 128.59 1433.06 8627.89 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13042944 14999636 3098588 19.20 2688 2166056 1413276 8.22 181392 2537368 164888 01:25:01 PM 11658080 13892916 4483452 27.78 2688 2438180 2184552 12.71 249852 3816540 7800 01:26:01 PM 12576172 15057464 3565360 22.09 2688 2682904 1073964 6.25 345248 2805528 262008 Average: 12425732 14650005 3715800 23.02 2688 2429047 1557264 9.06 258831 3053145 144899 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 136.43 105.32 1653.16 25.56 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 12.30 12.30 3.48 3.48 0.00 0.00 0.00 0.00 01:25:01 PM eth0 321.88 236.37 3795.98 53.30 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 16.65 16.65 2.60 2.60 0.00 0.00 0.00 0.00 01:26:01 PM eth0 68.06 58.06 272.16 24.02 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.65 9.65 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 175.46 133.25 1907.21 34.30 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 02/21/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 24.59 0.00 2.21 2.07 0.08 71.04 01:24:01 PM 0 21.25 0.00 1.67 1.84 0.08 75.16 01:24:01 PM 1 25.39 0.00 2.39 1.77 0.08 70.37 01:24:01 PM 2 26.83 0.00 2.74 1.76 0.07 68.60 01:24:01 PM 3 24.90 0.00 2.04 2.93 0.08 70.05 01:25:01 PM all 52.90 0.00 2.06 2.46 0.09 42.49 01:25:01 PM 0 61.40 0.00 1.10 1.40 0.08 36.01 01:25:01 PM 1 48.80 0.00 2.76 4.21 0.08 44.14 01:25:01 PM 2 43.29 0.00 2.25 1.83 0.10 52.54 01:25:01 PM 3 58.08 0.00 2.14 2.41 0.08 37.30 01:26:01 PM all 15.50 0.00 1.23 0.16 0.08 83.03 01:26:01 PM 0 16.96 0.00 1.29 0.20 0.08 81.47 01:26:01 PM 1 15.93 0.00 1.14 0.05 0.10 82.78 01:26:01 PM 2 17.31 0.00 1.15 0.12 0.07 81.35 01:26:01 PM 3 11.79 0.00 1.34 0.27 0.07 86.54 Average: all 30.99 0.00 1.83 1.56 0.08 65.53 Average: 0 33.20 0.00 1.35 1.15 0.08 64.21 Average: 1 30.02 0.00 2.10 2.01 0.09 65.78 Average: 2 29.13 0.00 2.05 1.23 0.08 67.52 Average: 3 31.59 0.00 1.84 1.87 0.08 64.62