---> uname -a: Linux prd-centos8-docker-4c-4g-5750.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 1400 10934 19 3428 14016 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:d3:17:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.212/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85954sec preferred_lft 85954sec inet6 fe80::f816:3eff:fed3:17b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b4:62:7a:57 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:b4ff:fe62:7a57/64 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) 04/25/2026 _x86_64_ (4 CPU) 00:32:50 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 343.87 28.91 314.96 7104.45 35808.36 12:35:01 AM 225.79 20.71 205.08 4148.73 22782.38 12:36:01 AM 82.16 1.27 80.89 83.84 9751.20 12:37:01 AM 4.02 0.05 3.97 1.07 292.00 12:38:01 AM 78.07 3.43 74.64 634.80 15224.01 12:39:01 AM 41.05 2.67 38.39 92.50 4321.23 12:40:01 AM 22.49 0.45 22.04 56.51 1559.36 Average: 113.92 8.21 105.71 1731.72 12820.50 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13225640 15054188 2915892 18.06 2688 2041220 1143792 6.65 151732 2400900 203468 12:35:01 AM 11675496 14139884 4466036 27.67 2688 2667992 2036228 11.85 248368 3806096 86844 12:36:01 AM 10047296 12706160 6094236 37.76 2688 2859424 3173976 18.46 280852 5386508 3256 12:37:01 AM 9951780 12615984 6189752 38.35 2688 2864584 3205520 18.65 281028 5480772 2948 12:38:01 AM 6414304 9548924 9727228 60.26 2688 3324004 12997556 75.61 400920 8814508 408 12:39:01 AM 11864468 15005912 4277064 26.50 2688 3330764 1134396 6.60 433640 3381580 14484 12:40:01 AM 11267612 14421432 4873920 30.19 2688 3342724 1611256 9.37 681672 3730816 24112 Average: 10635228 13356069 5506304 34.11 2688 2918673 3614675 21.03 354030 4714454 47931 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 371.74 220.34 2009.65 70.03 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 514.66 300.57 7272.78 45.75 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 258.65 173.34 2870.21 46.92 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 243.51 165.21 86.79 88.69 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 12.77 12.77 24.40 24.40 0.00 0.00 0.00 0.00 12:38:01 AM eth0 245.11 135.07 2837.04 20.86 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:38:01 AM veth8a0f915 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-5e3d9f2eb2d4 4.98 4.60 23.11 0.77 0.00 0.00 0.00 0.00 12:38:01 AM veth44e5b66 5.05 4.65 23.18 0.76 0.00 0.00 0.00 0.00 12:38:01 AM vethbf8b8f3 9.39 9.68 23.92 23.95 0.00 0.00 0.00 0.00 12:39:01 AM lo 4.42 4.42 2.86 2.86 0.00 0.00 0.00 0.00 12:39:01 AM eth0 110.13 82.54 508.89 24.52 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.10 0.12 0.00 0.01 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 170.59 92.54 134.65 193.92 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.46 2.46 3.90 3.90 0.00 0.00 0.00 0.00 Average: eth0 273.49 167.09 2245.93 70.09 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) 04/25/2026 _x86_64_ (4 CPU) 00:32:50 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 28.07 0.00 3.55 2.27 0.08 66.03 12:34:01 AM 0 34.16 0.00 3.79 0.45 0.08 61.51 12:34:01 AM 1 24.60 0.00 2.64 2.09 0.08 70.59 12:34:01 AM 2 27.18 0.00 4.30 1.87 0.07 66.58 12:34:01 AM 3 26.33 0.00 3.46 4.67 0.10 65.44 12:35:01 AM all 44.67 0.00 2.25 1.51 0.10 51.47 12:35:01 AM 0 43.22 0.00 2.14 1.52 0.12 53.01 12:35:01 AM 1 41.54 0.00 2.43 2.25 0.08 53.70 12:35:01 AM 2 44.69 0.00 2.64 1.22 0.12 51.33 12:35:01 AM 3 49.21 0.00 1.79 1.05 0.10 47.84 12:36:01 AM all 55.76 0.00 1.71 0.41 0.10 42.02 12:36:01 AM 0 44.78 0.00 1.89 0.35 0.10 52.88 12:36:01 AM 1 68.33 0.00 2.45 0.62 0.10 28.50 12:36:01 AM 2 56.71 0.00 1.24 0.45 0.08 41.52 12:36:01 AM 3 53.24 0.00 1.27 0.22 0.10 45.18 12:37:01 AM all 14.01 0.00 1.20 0.02 0.10 84.66 12:37:01 AM 0 13.64 0.00 0.94 0.02 0.08 85.32 12:37:01 AM 1 10.86 0.00 1.54 0.02 0.12 87.47 12:37:01 AM 2 17.18 0.00 1.00 0.00 0.12 81.70 12:37:01 AM 3 14.36 0.00 1.32 0.05 0.10 84.17 12:38:01 AM all 43.62 0.00 3.07 0.94 0.14 52.23 12:38:01 AM 0 36.92 0.00 3.03 0.70 0.17 59.17 12:38:01 AM 1 34.84 0.00 3.21 1.19 0.13 60.63 12:38:01 AM 2 52.52 0.00 3.41 0.89 0.13 43.05 12:38:01 AM 3 50.21 0.00 2.63 0.97 0.12 46.06 12:39:01 AM all 19.76 0.00 1.66 0.20 0.12 78.27 12:39:01 AM 0 19.79 0.00 1.19 0.08 0.12 78.83 12:39:01 AM 1 21.00 0.00 2.22 0.45 0.12 76.20 12:39:01 AM 2 21.25 0.00 1.34 0.03 0.10 77.28 12:39:01 AM 3 16.98 0.00 1.87 0.23 0.13 80.77 12:40:01 AM all 30.95 0.00 1.30 0.08 0.08 67.59 12:40:01 AM 0 28.46 0.00 1.22 0.02 0.07 70.23 12:40:01 AM 1 10.22 0.00 1.10 0.18 0.07 88.43 12:40:01 AM 2 52.86 0.00 2.10 0.05 0.10 44.89 12:40:01 AM 3 32.23 0.00 0.78 0.05 0.07 66.87 Average: all 33.83 0.00 2.10 0.77 0.10 63.19 Average: 0 31.57 0.00 2.03 0.45 0.11 65.85 Average: 1 30.20 0.00 2.23 0.97 0.10 66.50 Average: 2 38.90 0.00 2.29 0.64 0.10 58.06 Average: 3 34.65 0.00 1.87 1.03 0.10 62.34