---> uname -a: Linux prd-centos8-docker-4c-4g-18714.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1544 11066 19 3151 13871 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:1c:eb:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.91/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85943sec preferred_lft 85943sec inet6 fe80::f816:3eff:fe1c:eb81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:77:94:52:f4 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::42:77ff:fe94:52f4/64 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) 02/21/2026 _x86_64_ (4 CPU) 00:32:49 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 267.78 29.36 238.42 7247.85 43257.95 12:35:01 AM 230.08 19.70 210.38 3860.96 14893.80 12:36:01 AM 90.04 1.78 88.26 114.46 10105.23 12:37:01 AM 7.33 0.00 7.33 0.00 371.51 12:38:01 AM 50.96 3.41 47.54 668.55 13509.02 12:39:01 AM 51.51 0.13 51.37 4.13 2833.28 12:40:01 AM 30.29 3.13 27.16 155.68 2367.41 Average: 103.99 8.21 95.77 1721.37 12476.61 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13364488 15134908 2777044 17.20 2688 1984992 1079612 6.28 144732 2275424 178704 12:35:01 AM 12179152 14335776 3962380 24.55 2688 2361256 1738584 10.11 224556 3331360 67524 12:36:01 AM 10330584 12712812 5810948 36.00 2688 2583232 3112812 18.11 270232 5114028 3564 12:37:01 AM 10124420 12510244 6017112 37.28 2688 2586700 3271548 19.03 270280 5319440 1180 12:38:01 AM 7366520 10192476 8775012 54.36 2688 3016156 6049316 35.19 374616 7920036 8492 12:39:01 AM 10544004 13389224 5597528 34.68 2688 3035064 2930508 17.05 416400 4713236 25280 12:40:01 AM 11369684 14243088 4771848 29.56 2688 3062748 1831496 10.65 660584 3650604 24448 Average: 10754122 13216933 5387410 33.38 2688 2661450 2859125 16.63 337343 4617733 44170 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 353.83 212.48 1824.97 68.39 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 264.62 210.70 3104.25 39.33 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 245.49 171.00 3317.62 36.89 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 353.30 233.46 101.87 100.08 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 4.21 4.21 0.53 0.53 0.00 0.00 0.00 0.00 12:38:01 AM eth0 246.31 135.56 2719.44 22.00 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 12:38:01 AM veth943c326 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-cba83af8a32d 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:38:01 AM vethe2d8aa2 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 12:39:01 AM lo 13.31 13.31 26.60 26.60 0.00 0.00 0.00 0.00 12:39:01 AM eth0 30.73 29.35 364.08 4.81 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:39:01 AM veth943c326 0.12 0.18 0.01 0.01 0.00 0.00 0.00 0.00 12:39:01 AM br-cba83af8a32d 5.83 5.73 25.62 0.94 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM eth0 260.68 158.16 393.72 212.71 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.50 2.50 3.87 3.87 0.00 0.00 0.00 0.00 Average: eth0 250.70 164.38 1689.55 69.17 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 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) 02/21/2026 _x86_64_ (4 CPU) 00:32:49 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 26.14 0.00 3.63 3.79 0.08 66.36 12:34:01 AM 0 27.95 0.00 3.82 2.91 0.08 65.24 12:34:01 AM 1 20.68 0.00 3.04 2.80 0.08 73.40 12:34:01 AM 2 30.93 0.00 3.95 7.67 0.08 57.37 12:34:01 AM 3 24.98 0.00 3.71 1.78 0.08 69.45 12:35:01 AM all 38.56 0.00 2.04 2.00 0.10 57.29 12:35:01 AM 0 35.56 0.00 2.48 1.79 0.12 60.06 12:35:01 AM 1 37.64 0.00 1.86 2.89 0.10 57.50 12:35:01 AM 2 37.75 0.00 1.89 1.82 0.10 58.44 12:35:01 AM 3 43.28 0.00 1.96 1.50 0.08 53.18 12:36:01 AM all 63.27 0.00 1.79 1.05 0.11 33.77 12:36:01 AM 0 72.77 0.00 2.21 0.28 0.13 24.60 12:36:01 AM 1 54.82 0.00 2.04 3.19 0.12 39.83 12:36:01 AM 2 61.72 0.00 1.90 0.58 0.08 35.70 12:36:01 AM 3 63.78 0.00 1.02 0.15 0.10 34.95 12:37:01 AM all 15.36 0.00 1.32 0.03 0.08 83.21 12:37:01 AM 0 13.48 0.00 1.50 0.03 0.07 84.92 12:37:01 AM 1 12.63 0.00 1.44 0.00 0.08 85.85 12:37:01 AM 2 16.64 0.00 1.37 0.00 0.08 81.91 12:37:01 AM 3 18.72 0.00 0.97 0.08 0.07 80.15 12:38:01 AM all 43.17 0.00 2.89 1.34 0.12 52.49 12:38:01 AM 0 29.75 0.00 2.36 0.94 0.10 66.85 12:38:01 AM 1 35.60 0.00 2.62 1.53 0.12 60.14 12:38:01 AM 2 73.47 0.00 4.01 1.99 0.13 20.39 12:38:01 AM 3 33.79 0.00 2.55 0.89 0.12 62.66 12:39:01 AM all 16.72 0.00 1.66 0.29 0.10 81.24 12:39:01 AM 0 17.44 0.00 1.50 0.65 0.10 80.30 12:39:01 AM 1 17.83 0.00 1.49 0.13 0.10 80.45 12:39:01 AM 2 16.92 0.00 1.63 0.30 0.10 81.05 12:39:01 AM 3 14.68 0.00 2.01 0.07 0.10 83.15 12:40:01 AM all 40.60 0.00 1.76 0.42 0.07 57.16 12:40:01 AM 0 42.53 0.00 1.64 1.07 0.07 54.70 12:40:01 AM 1 44.17 0.00 1.40 0.02 0.08 54.33 12:40:01 AM 2 47.09 0.00 1.76 0.02 0.07 51.07 12:40:01 AM 3 28.60 0.00 2.22 0.57 0.07 68.53 Average: all 34.83 0.00 2.15 1.27 0.09 61.65 Average: 0 34.21 0.00 2.22 1.10 0.10 62.39 Average: 1 31.91 0.00 1.98 1.51 0.10 64.50 Average: 2 40.65 0.00 2.36 1.77 0.09 55.13 Average: 3 32.56 0.00 2.06 0.72 0.09 64.57