---> uname -a: Linux prd-centos8-docker-4c-4g-0.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 831 11866 19 3064 14585 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:e0:dc:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.95/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85963sec preferred_lft 85963sec inet6 fe80::f816:3eff:fee0:dc25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:11:64:80:30 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::42:11ff:fe64:8030/64 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) 02/26/2026 _x86_64_ (4 CPU) 10:31:12 LINUX RESTART (4 CPU) 10:32:01 AM tps rtps wtps bread/s bwrtn/s 10:33:01 AM 224.90 19.41 205.50 3714.41 11387.89 10:34:01 AM 111.13 2.12 109.02 257.69 8806.43 10:35:01 AM 28.09 0.00 28.09 0.00 6487.25 10:36:01 AM 5.21 1.80 3.42 56.51 231.14 10:37:01 AM 79.54 1.68 77.86 542.62 15321.76 10:38:01 AM 19.21 0.08 19.13 10.40 3766.01 Average: 78.02 4.18 73.84 763.70 7666.82 10:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:33:01 AM 12186320 14273452 3955204 24.50 2688 2292488 2055064 11.95 179096 3373392 189316 10:34:01 AM 11148040 13472284 4993484 30.94 2688 2525532 2441008 14.20 249412 4319564 182796 10:35:01 AM 10374104 12703012 5767420 35.73 2688 2530012 3052260 17.76 261596 5079096 1832 10:36:01 AM 9630004 11968188 6511520 40.34 2688 2538972 3753572 21.84 265480 5816488 4632 10:37:01 AM 6289416 9179960 9852108 61.04 2688 3080284 13285856 77.29 382264 8956336 93176 10:38:01 AM 12102764 14888352 4038760 25.02 2688 2975564 1226388 7.13 582420 2994916 21308 Average: 10288441 12747541 5853083 36.26 2688 2657142 4302358 25.03 320045 5089965 82177 10:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:33:01 AM eth0 241.90 195.72 2622.72 42.73 0.00 0.00 0.00 0.00 10:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:34:01 AM eth0 236.84 184.25 3408.02 24.49 0.00 0.00 0.00 0.00 10:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:35:01 AM eth0 19.08 18.76 3.64 27.84 0.00 0.00 0.00 0.00 10:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:36:01 AM eth0 20.61 20.16 4.22 18.79 0.00 0.00 0.00 0.00 10:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:37:01 AM lo 14.45 14.45 27.30 27.30 0.00 0.00 0.00 0.00 10:37:01 AM eth0 221.44 127.81 2828.70 12.93 0.00 0.00 0.00 0.00 10:37:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 10:37:01 AM vethf723a81 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 10:37:01 AM br-3f70872b76bf 5.21 5.28 25.59 0.90 0.00 0.00 0.00 0.00 10:37:01 AM vethcaaabd5 5.68 5.28 25.67 0.88 0.00 0.00 0.00 0.00 10:37:01 AM vetha0cdc1e 10.25 11.00 26.51 26.57 0.00 0.00 0.00 0.00 10:38:01 AM lo 2.73 2.73 0.17 0.17 0.00 0.00 0.00 0.00 10:38:01 AM eth0 12.31 10.81 7.55 17.41 0.00 0.00 0.00 0.00 10:38:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.86 2.86 4.58 4.58 0.00 0.00 0.00 0.00 Average: eth0 125.36 92.92 1479.12 24.03 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 02/26/2026 _x86_64_ (4 CPU) 10:31:12 LINUX RESTART (4 CPU) 10:32:01 AM CPU %user %nice %system %iowait %steal %idle 10:33:01 AM all 31.44 0.00 3.14 1.15 0.10 64.17 10:33:01 AM 0 26.40 0.00 2.79 1.05 0.10 69.66 10:33:01 AM 1 44.43 0.00 4.08 0.97 0.10 50.42 10:33:01 AM 2 25.90 0.00 1.94 0.69 0.10 71.37 10:33:01 AM 3 29.04 0.00 3.77 1.89 0.10 65.20 10:34:01 AM all 46.72 0.00 1.88 0.56 0.10 50.74 10:34:01 AM 0 51.73 0.00 1.25 0.50 0.10 46.41 10:34:01 AM 1 49.41 0.00 1.39 0.65 0.10 48.44 10:34:01 AM 2 37.57 0.00 2.42 0.60 0.10 59.30 10:34:01 AM 3 48.16 0.00 2.44 0.48 0.10 48.81 10:35:01 AM all 35.56 0.00 0.63 0.16 0.08 63.57 10:35:01 AM 0 34.72 0.00 0.57 0.15 0.10 64.46 10:35:01 AM 1 35.73 0.00 0.42 0.17 0.08 63.61 10:35:01 AM 2 40.64 0.00 0.85 0.23 0.08 58.19 10:35:01 AM 3 31.16 0.00 0.67 0.10 0.07 68.01 10:36:01 AM all 29.94 0.00 0.63 0.03 0.08 69.33 10:36:01 AM 0 53.80 0.00 1.32 0.05 0.08 44.74 10:36:01 AM 1 21.93 0.00 0.37 0.03 0.08 77.58 10:36:01 AM 2 16.97 0.00 0.62 0.02 0.07 82.33 10:36:01 AM 3 27.08 0.00 0.23 0.00 0.07 72.62 10:37:01 AM all 38.90 0.00 3.87 0.46 0.10 56.67 10:37:01 AM 0 45.02 0.00 3.76 0.29 0.10 50.83 10:37:01 AM 1 35.95 0.00 3.33 0.24 0.10 60.39 10:37:01 AM 2 41.48 0.00 5.10 0.61 0.10 52.72 10:37:01 AM 3 33.15 0.00 3.30 0.72 0.08 62.74 10:38:01 AM all 21.55 0.00 1.32 0.11 0.08 76.95 10:38:01 AM 0 23.18 0.00 1.19 0.02 0.08 75.53 10:38:01 AM 1 18.24 0.00 1.10 0.07 0.07 80.52 10:38:01 AM 2 25.04 0.00 1.20 0.30 0.07 73.39 10:38:01 AM 3 19.75 0.00 1.77 0.05 0.08 78.34 Average: all 34.01 0.00 1.91 0.41 0.09 63.58 Average: 0 39.13 0.00 1.81 0.34 0.09 58.62 Average: 1 34.28 0.00 1.78 0.35 0.09 63.50 Average: 2 31.26 0.00 2.02 0.41 0.09 66.23 Average: 3 31.39 0.00 2.03 0.54 0.08 65.96