---> uname -a: Linux prd-centos8-docker-4c-4g-47399.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 1044 10939 19 3779 14369 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:16:93:c9 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 86088sec preferred_lft 86088sec inet6 fe80::f816:3eff:fe16:93c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cb:d7:69:f3 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:cbff:fed7:69f3/64 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) 09/19/2025 _x86_64_ (4 CPU) 19:59:43 LINUX RESTART (4 CPU) 08:00:00 PM tps rtps wtps bread/s bwrtn/s 08:00:01 PM 491.86 109.30 382.56 67181.40 781116.28 08:01:01 PM 276.39 25.53 250.86 6020.75 25759.84 08:02:01 PM 256.75 5.98 250.77 1078.08 17826.47 08:03:01 PM 176.52 1.58 174.94 83.05 26874.40 08:04:01 PM 996.22 95.10 901.12 1697.70 24558.40 Average: 426.70 32.32 394.38 2451.60 26457.36 08:00:00 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:01 PM 14156136 15481808 1985396 12.30 2688 1557236 674508 4.18 77164 1617432 395808 08:01:01 PM 13305968 15062584 2835564 17.57 2688 1971908 1132584 6.59 140500 2341192 160804 08:02:01 PM 11472808 13695956 4668724 28.92 2688 2422236 2683696 15.61 256600 3981016 126564 08:03:01 PM 10605040 13912936 5536492 34.30 2688 3386708 1820632 10.59 365100 4497952 419744 08:04:01 PM 8925696 12376112 7215836 44.70 2688 3444308 1934184 11.25 415324 5891864 12 Average: 11693130 14105879 4448402 27.56 2688 2556479 1649121 9.59 250938 3665891 220586 08:00:00 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 PM eth0 20.93 15.12 5.40 3.70 0.00 0.00 0.00 0.00 08:01:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 PM eth0 370.95 218.38 1778.44 73.98 0.00 0.00 0.00 0.00 08:01:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 08:02:01 PM eth0 411.16 293.22 4758.08 42.11 0.00 0.00 0.00 0.00 08:02:01 PM docker0 0.07 0.17 0.00 0.02 0.00 0.00 0.00 0.00 08:02:01 PM vethb03c905 0.07 0.28 0.00 0.03 0.00 0.00 0.00 0.00 08:03:01 PM lo 5.93 5.93 4.58 4.58 0.00 0.00 0.00 0.00 08:03:01 PM eth0 283.97 187.05 2686.22 31.92 0.00 0.00 0.00 0.00 08:03:01 PM docker0 3.30 3.17 4.09 0.45 0.00 0.00 0.00 0.00 08:04:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 PM eth0 4.80 3.13 58.68 0.55 0.00 0.00 0.00 0.00 08:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.51 1.51 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 266.85 174.88 2312.30 37.02 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.83 1.02 0.12 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) 09/19/2025 _x86_64_ (4 CPU) 19:59:43 LINUX RESTART (4 CPU) 08:00:00 PM CPU %user %nice %system %iowait %steal %idle 08:00:01 PM all 2.92 0.00 6.43 37.72 0.00 52.92 08:00:01 PM 0 2.33 0.00 6.98 67.44 0.00 23.26 08:00:01 PM 1 3.45 0.00 3.45 0.00 0.00 93.10 08:00:01 PM 2 4.71 0.00 11.76 83.53 0.00 0.00 08:00:01 PM 3 1.19 0.00 3.57 0.00 0.00 95.24 08:01:01 PM all 26.44 0.00 3.27 1.70 0.08 68.52 08:01:01 PM 0 21.29 0.00 2.87 0.70 0.10 75.03 08:01:01 PM 1 29.57 0.00 2.89 0.69 0.07 66.79 08:01:01 PM 2 34.64 0.00 4.76 4.79 0.08 55.73 08:01:01 PM 3 20.27 0.00 2.54 0.62 0.07 76.50 08:02:01 PM all 34.62 0.00 2.72 3.28 0.11 59.27 08:02:01 PM 0 33.06 0.00 2.82 6.06 0.10 57.96 08:02:01 PM 1 34.74 0.00 1.87 0.67 0.10 62.61 08:02:01 PM 2 42.86 0.00 3.25 1.51 0.12 52.26 08:02:01 PM 3 27.82 0.00 2.95 4.86 0.12 64.26 08:03:01 PM all 34.56 0.10 7.74 1.14 0.11 56.36 08:03:01 PM 0 30.75 0.03 7.48 0.65 0.12 60.96 08:03:01 PM 1 44.39 0.12 8.67 0.14 0.10 46.57 08:03:01 PM 2 35.00 0.12 8.18 1.38 0.08 55.24 08:03:01 PM 3 28.10 0.12 6.61 2.39 0.12 62.66 08:04:01 PM all 33.41 0.00 4.44 7.28 0.10 54.78 08:04:01 PM 0 16.81 0.00 4.21 7.89 0.10 70.99 08:04:01 PM 1 61.44 0.00 5.17 7.31 0.08 25.99 08:04:01 PM 2 26.28 0.00 3.26 5.19 0.12 65.16 08:04:01 PM 3 29.11 0.00 5.12 8.73 0.10 56.94 Average: all 32.14 0.02 4.54 3.48 0.10 59.73 Average: 0 25.37 0.01 4.34 4.06 0.10 66.11 Average: 1 42.38 0.03 4.64 2.20 0.09 50.67 Average: 2 34.59 0.03 4.87 3.51 0.10 56.90 Average: 3 26.22 0.03 4.29 4.14 0.10 65.22