---> uname -a: Linux prd-centos8-docker-4c-4g-2488.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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1021 10627 19 4114 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:4a:da:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.59/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86055sec preferred_lft 86055sec inet6 fe80::f816:3eff:fe4a:dad4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4b:c8:70:14 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::42:4bff:fec8:7014/64 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) 01/24/2026 _x86_64_ (4 CPU) 03:29:42 LINUX RESTART (4 CPU) 03:30:00 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 99.26 18.52 80.74 4610.37 149473.33 03:31:01 AM 260.81 21.54 239.27 5604.27 9471.84 03:32:01 AM 238.76 5.67 233.09 979.44 17064.37 03:33:01 AM 191.59 1.55 190.04 80.24 27219.38 03:34:01 AM 1011.50 95.12 916.38 1697.83 24230.87 03:35:01 AM 168.14 42.18 125.96 5698.52 9070.45 Average: 372.94 33.15 339.79 2820.08 18003.13 03:30:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 14091684 15430004 2049848 12.70 2688 1569812 873124 5.08 88500 1671664 6832 03:31:01 AM 13295200 15074480 2846332 17.63 2688 1994076 1147772 6.68 142288 2348956 174732 03:32:01 AM 11789568 13905228 4351964 26.96 2688 2319160 2593848 15.09 255420 3679300 28488 03:33:01 AM 10728652 14032876 5412880 33.53 2688 3381668 1700916 9.89 368924 4355904 426332 03:34:01 AM 9959612 13408092 6181920 38.30 2688 3441424 1804048 10.49 419116 4850644 2180 03:35:01 AM 10880212 14731692 5261320 32.59 2688 3837012 1168216 6.80 703284 3653276 27740 Average: 11790821 14430395 4350711 26.95 2688 2757192 1547987 9.01 329589 3426624 111051 03:30:00 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 14.07 9.63 3.62 2.35 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 386.84 223.44 1877.50 69.08 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 03:32:01 AM eth0 368.16 282.77 3806.37 44.44 0.00 0.00 0.00 0.00 03:32:01 AM docker0 0.07 0.13 0.00 0.01 0.00 0.00 0.00 0.00 03:32:01 AM veth2ba93e3 0.07 0.18 0.00 0.02 0.00 0.00 0.00 0.00 03:33:01 AM lo 5.91 5.91 4.48 4.48 0.00 0.00 0.00 0.00 03:33:01 AM eth0 357.31 212.16 3501.24 34.21 0.00 0.00 0.00 0.00 03:33:01 AM docker0 3.25 3.00 4.08 0.44 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 4.00 3.35 58.67 0.70 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 03:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 AM eth0 183.65 140.61 3112.89 36.31 0.00 0.00 0.00 0.00 03:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.89 0.89 0.00 0.00 0.00 0.00 Average: eth0 258.89 171.73 2460.22 36.79 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.62 0.81 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) 01/24/2026 _x86_64_ (4 CPU) 03:29:42 LINUX RESTART (4 CPU) 03:30:00 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 22.55 0.00 5.18 30.87 0.18 41.22 03:30:01 AM 0 23.70 0.00 2.96 0.74 0.00 72.59 03:30:01 AM 1 25.00 0.00 4.41 57.35 0.00 13.24 03:30:01 AM 2 20.15 0.00 3.73 1.49 0.75 73.88 03:30:01 AM 3 21.32 0.00 9.56 63.24 0.00 5.88 03:31:01 AM all 26.25 0.00 2.98 1.48 0.08 69.20 03:31:01 AM 0 18.86 0.00 2.50 2.59 0.08 75.96 03:31:01 AM 1 34.51 0.00 3.98 1.24 0.10 60.17 03:31:01 AM 2 30.38 0.00 3.13 0.97 0.08 65.43 03:31:01 AM 3 21.25 0.00 2.31 1.14 0.07 75.23 03:32:01 AM all 34.67 0.00 2.35 5.84 0.11 57.03 03:32:01 AM 0 33.33 0.00 1.94 2.80 0.10 61.82 03:32:01 AM 1 32.16 0.00 2.08 7.21 0.08 58.47 03:32:01 AM 2 39.44 0.00 2.63 5.11 0.15 52.67 03:32:01 AM 3 33.72 0.00 2.77 8.23 0.12 55.16 03:33:01 AM all 36.70 0.08 7.89 1.72 0.13 53.47 03:33:01 AM 0 34.88 0.05 6.99 0.64 0.10 57.33 03:33:01 AM 1 33.60 0.15 8.59 1.13 0.15 56.38 03:33:01 AM 2 45.51 0.07 8.67 4.86 0.14 40.75 03:33:01 AM 3 32.84 0.07 7.33 0.25 0.14 59.38 03:34:01 AM all 34.31 0.00 4.65 6.95 0.11 53.97 03:34:01 AM 0 23.18 0.00 3.13 4.30 0.12 69.26 03:34:01 AM 1 59.85 0.00 6.75 10.36 0.12 22.92 03:34:01 AM 2 32.34 0.00 4.78 6.54 0.12 56.22 03:34:01 AM 3 21.96 0.00 3.97 6.62 0.10 67.36 03:35:01 AM all 47.15 0.00 2.37 1.45 0.12 48.91 03:35:01 AM 0 44.91 0.00 2.19 0.99 0.12 51.80 03:35:01 AM 1 41.07 0.00 1.47 0.97 0.12 56.38 03:35:01 AM 2 58.27 0.00 2.64 1.59 0.13 37.36 03:35:01 AM 3 44.38 0.00 3.20 2.24 0.10 50.08 Average: all 35.76 0.02 4.05 3.61 0.11 56.46 Average: 0 30.99 0.01 3.34 2.26 0.10 63.30 Average: 1 40.16 0.03 4.56 4.42 0.11 50.71 Average: 2 41.09 0.01 4.35 3.80 0.13 50.62 Average: 3 30.79 0.01 3.93 3.97 0.10 61.19