---> uname -a: Linux prd-centos8-docker-4c-4g-7623.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1673 10162 19 3927 13740 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:08:e2:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.112/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86084sec preferred_lft 86084sec inet6 fe80::f816:3eff:fe08:e27d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d0:a6:9a:e7 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:d0ff:fea6:9ae7/64 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) 05/02/2026 _x86_64_ (4 CPU) 09:27:21 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 232.42 4.97 227.46 447.18 12334.62 09:30:01 AM 208.52 2.53 205.98 791.60 34696.70 09:31:01 AM 1242.99 95.10 1147.89 1697.85 30539.71 09:32:01 AM 66.23 25.17 41.05 483.84 2799.45 Average: 437.52 31.94 405.57 855.09 20091.58 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12400172 14535924 3741360 23.18 2688 2341108 1630984 9.49 168564 3169752 310852 09:30:01 AM 11182924 14095212 4958608 30.72 2688 3090640 1868524 10.87 376032 4086972 101160 09:31:01 AM 9655220 13236652 6486312 40.18 2688 3574956 1947756 11.33 425452 5144780 6744 09:32:01 AM 10477240 14126152 5664292 35.09 2688 3639664 1791456 10.42 531660 4235344 7500 Average: 10928889 13998485 5212643 32.29 2688 3161592 1809680 10.53 375427 4159212 106564 09:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 319.51 255.73 4889.33 44.67 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 6.12 6.12 4.58 4.58 0.00 0.00 0.00 0.00 09:30:01 AM eth0 330.81 204.42 3963.53 29.43 0.00 0.00 0.00 0.00 09:30:01 AM docker0 3.20 2.98 4.08 0.44 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 112.46 67.42 956.11 11.93 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 250.58 146.63 415.94 184.86 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.53 1.53 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 253.34 168.55 2556.23 67.73 0.00 0.00 0.00 0.00 Average: docker0 0.80 0.75 1.02 0.11 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) 05/02/2026 _x86_64_ (4 CPU) 09:27:21 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 25.02 0.00 2.44 1.16 0.09 71.29 09:29:01 AM 0 29.74 0.00 2.96 1.86 0.08 65.36 09:29:01 AM 1 22.78 0.00 2.12 1.15 0.10 73.84 09:29:01 AM 2 25.81 0.00 2.53 0.54 0.08 71.05 09:29:01 AM 3 21.77 0.00 2.16 1.09 0.08 74.90 09:30:01 AM all 44.50 0.09 4.01 1.39 0.09 49.92 09:30:01 AM 0 40.27 0.07 4.23 0.62 0.10 54.71 09:30:01 AM 1 42.96 0.03 4.29 1.33 0.10 51.29 09:30:01 AM 2 46.07 0.10 3.84 1.01 0.08 48.89 09:30:01 AM 3 48.70 0.15 3.68 2.60 0.08 44.78 09:31:01 AM all 29.83 0.00 8.27 8.40 0.09 53.41 09:31:01 AM 0 14.22 0.00 8.13 8.96 0.08 68.62 09:31:01 AM 1 19.47 0.00 8.03 7.06 0.09 65.36 09:31:01 AM 2 50.68 0.00 7.15 5.95 0.10 36.13 09:31:01 AM 3 34.86 0.00 9.77 11.63 0.10 43.64 09:32:01 AM all 39.25 0.00 2.06 0.41 0.08 58.19 09:32:01 AM 0 33.62 0.00 1.55 0.15 0.08 64.59 09:32:01 AM 1 43.98 0.00 2.84 0.50 0.08 52.60 09:32:01 AM 2 40.77 0.00 2.21 0.72 0.08 56.22 09:32:01 AM 3 38.65 0.00 1.65 0.28 0.07 59.34 Average: all 34.66 0.02 4.18 2.82 0.09 58.22 Average: 0 29.51 0.02 4.20 2.88 0.09 63.31 Average: 1 32.34 0.01 4.30 2.49 0.09 60.76 Average: 2 40.80 0.03 3.92 2.04 0.09 53.11 Average: 3 35.99 0.04 4.30 3.88 0.08 55.72