---> uname -a: Linux prd-centos8-docker-4c-4g-3456.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: 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): 0-3 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1020 10967 19 3776 14393 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:e0:69:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.192/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fee0:6989/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c0:32:c6:4e 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:c0ff:fe32:c64e/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) 01/27/2026 _x86_64_ (4 CPU) 15:28:04 LINUX RESTART (4 CPU) 03:29:01 PM tps rtps wtps bread/s bwrtn/s 03:30:01 PM 242.26 5.42 236.84 591.50 12590.45 03:31:01 PM 216.14 2.05 214.09 510.93 33232.05 03:32:01 PM 1050.64 95.14 955.51 1697.82 25539.81 Average: 504.65 34.38 470.26 935.81 23735.95 03:29:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 PM 11824408 13884564 4317116 26.75 2688 2264704 2290968 13.33 204872 3701132 174932 03:31:01 PM 10819016 14086520 5322508 32.97 2688 3364464 1799684 10.47 364644 4300660 414676 03:32:01 PM 9122008 12568044 7019516 43.49 2688 3439744 1932328 11.24 414884 5684160 20 Average: 10588477 13513043 5553047 34.40 2688 3022971 2007660 11.68 328133 4561984 196543 03:29:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 PM eth0 330.61 263.39 3499.79 40.56 0.00 0.00 0.00 0.00 03:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 PM lo 6.12 6.12 4.61 4.61 0.00 0.00 0.00 0.00 03:31:01 PM eth0 392.38 251.72 4148.53 36.53 0.00 0.00 0.00 0.00 03:31:01 PM docker0 3.54 3.35 4.16 0.47 0.00 0.00 0.00 0.00 03:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 PM eth0 6.03 4.30 59.60 2.33 0.00 0.00 0.00 0.00 03:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.02 2.02 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 242.16 172.69 2560.38 26.42 0.00 0.00 0.00 0.00 Average: docker0 1.17 1.11 1.37 0.15 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) 01/27/2026 _x86_64_ (4 CPU) 15:28:04 LINUX RESTART (4 CPU) 03:29:01 PM CPU %user %nice %system %iowait %steal %idle 03:30:01 PM all 37.36 0.00 2.43 1.10 0.11 58.99 03:30:01 PM 0 39.06 0.00 1.94 0.75 0.12 58.13 03:30:01 PM 1 34.65 0.00 2.83 1.27 0.10 61.15 03:30:01 PM 2 38.27 0.00 2.68 1.32 0.12 57.61 03:30:01 PM 3 37.47 0.00 2.29 1.04 0.12 59.08 03:31:01 PM all 37.22 0.09 7.64 1.13 0.12 53.79 03:31:01 PM 0 35.98 0.07 7.33 0.48 0.12 56.01 03:31:01 PM 1 34.30 0.00 7.80 1.10 0.14 56.66 03:31:01 PM 2 42.28 0.07 7.32 1.62 0.12 48.58 03:31:01 PM 3 36.34 0.24 8.12 1.31 0.10 53.88 03:32:01 PM all 33.74 0.00 5.51 6.92 0.12 53.71 03:32:01 PM 0 26.91 0.00 5.44 7.57 0.13 59.94 03:32:01 PM 1 63.04 0.00 6.09 6.33 0.12 24.42 03:32:01 PM 2 28.29 0.00 4.74 4.82 0.12 62.04 03:32:01 PM 3 16.68 0.00 5.77 8.94 0.12 68.49 Average: all 36.11 0.03 5.17 3.06 0.12 55.52 Average: 0 33.98 0.02 4.88 2.95 0.12 58.04 Average: 1 44.05 0.00 5.55 2.91 0.12 47.37 Average: 2 36.24 0.02 4.89 2.59 0.12 56.14 Average: 3 30.14 0.08 5.37 3.77 0.11 60.53