---> uname -a: Linux prd-centos8-docker-4c-4g-48.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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 998 10591 19 4174 14415 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:f9:d8:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86054sec preferred_lft 86054sec inet6 fe80::f816:3eff:fef9:d870/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a0:69:bc:e1 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:a0ff:fe69:bce1/64 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) 03/28/2026 _x86_64_ (4 CPU) 03:28:49 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 399.03 202.33 196.70 15121.39 42072.16 03:31:01 AM 246.78 5.88 240.90 745.75 14459.21 03:32:01 AM 202.05 1.72 200.33 515.43 32629.61 03:33:01 AM 1022.38 95.12 927.26 1697.83 25654.52 03:34:01 AM 192.60 41.91 150.69 5643.86 9127.43 Average: 412.58 69.39 343.18 4744.82 24789.11 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13440480 15158852 2701052 16.73 2688 1935020 1094764 6.37 137224 2213772 150672 03:31:01 AM 11858656 13981136 4282876 26.53 2688 2327356 2411596 14.03 195540 3680612 175672 03:32:01 AM 11046864 14235928 5094668 31.56 2688 3302372 1661776 9.67 370180 4103244 275820 03:33:01 AM 9274524 12782792 6867008 42.54 2688 3502944 1801028 10.48 420344 5544036 8 03:34:01 AM 10859344 14762992 5282188 32.72 2688 3892216 1175200 6.84 704224 3689780 14444 Average: 11295974 14184340 4845558 30.02 2688 2991982 1628873 9.48 365502 3846289 123323 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 357.60 198.02 1628.23 65.16 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 355.55 275.22 3879.24 44.55 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.31 6.31 4.50 4.50 0.00 0.00 0.00 0.00 03:32:01 AM eth0 360.31 230.72 3821.58 34.50 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.23 3.07 4.08 0.45 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 29.22 15.24 317.39 3.06 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 231.16 168.07 3028.42 55.64 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 266.77 177.46 2534.96 40.58 0.00 0.00 0.00 0.00 Average: docker0 0.65 0.61 0.82 0.09 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) 03/28/2026 _x86_64_ (4 CPU) 03:28:49 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 23.42 0.03 5.31 7.95 0.08 63.21 03:30:01 AM 0 25.56 0.00 4.83 2.37 0.10 67.13 03:30:01 AM 1 15.20 0.10 6.08 12.82 0.10 65.70 03:30:01 AM 2 26.79 0.00 5.56 6.58 0.07 61.01 03:30:01 AM 3 26.12 0.00 4.76 10.04 0.07 59.00 03:31:01 AM all 33.42 0.00 2.35 1.38 0.09 62.76 03:31:01 AM 0 33.57 0.00 2.14 1.19 0.08 63.02 03:31:01 AM 1 30.38 0.00 1.41 1.14 0.08 67.00 03:31:01 AM 2 32.11 0.00 3.26 1.81 0.08 62.73 03:31:01 AM 3 37.61 0.00 2.61 1.39 0.10 58.29 03:32:01 AM all 36.78 0.08 6.38 1.43 0.09 55.23 03:32:01 AM 0 33.27 0.05 6.29 0.85 0.10 59.43 03:32:01 AM 1 33.25 0.08 6.18 2.65 0.08 57.76 03:32:01 AM 2 46.68 0.08 7.06 2.09 0.10 43.98 03:32:01 AM 3 33.92 0.12 5.97 0.14 0.09 59.77 03:33:01 AM all 32.80 0.00 5.84 7.32 0.09 53.95 03:33:01 AM 0 18.75 0.00 5.62 8.07 0.08 67.47 03:33:01 AM 1 19.39 0.00 5.02 5.84 0.08 69.67 03:33:01 AM 2 39.87 0.00 6.24 7.74 0.08 46.06 03:33:01 AM 3 53.18 0.00 6.49 7.62 0.10 32.62 03:34:01 AM all 50.89 0.00 2.33 0.93 0.10 45.75 03:34:01 AM 0 49.04 0.00 3.32 2.46 0.12 45.07 03:34:01 AM 1 51.34 0.00 1.89 0.15 0.08 46.54 03:34:01 AM 2 53.15 0.00 2.01 0.47 0.08 44.28 03:34:01 AM 3 50.04 0.00 2.12 0.63 0.10 47.10 Average: all 35.47 0.02 4.43 3.80 0.09 56.18 Average: 0 32.05 0.01 4.43 2.98 0.10 60.42 Average: 1 29.94 0.04 4.10 4.51 0.09 61.32 Average: 2 39.70 0.02 4.82 3.74 0.08 51.65 Average: 3 40.19 0.02 4.38 3.97 0.09 51.35