---> uname -a: Linux prd-centos8-docker-4c-4g-8459.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1003 10982 19 3776 14410 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:2f:d6:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.242/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86069sec preferred_lft 86069sec inet6 fe80::f816:3eff:fe2f:d625/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:e1:11:f8 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::42:49ff:fee1:11f8/64 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) 02/13/2026 _x86_64_ (4 CPU) 09:06:39 LINUX RESTART (4 CPU) 09:07:01 AM tps rtps wtps bread/s bwrtn/s 09:08:01 AM 209.52 22.08 187.44 5711.98 15662.81 09:09:01 AM 236.55 5.10 231.45 563.98 12756.14 09:10:01 AM 220.54 2.07 218.48 497.17 33470.38 09:11:01 AM 881.84 95.10 786.74 1697.85 23719.76 09:12:01 AM 73.04 23.88 49.17 483.57 2150.18 Average: 324.28 29.64 294.64 1790.74 17551.55 09:07:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:08:01 AM 13352984 15108088 2788548 17.28 2688 1970664 1096232 6.38 143704 2293436 179928 09:09:01 AM 12009468 14070504 4132064 25.60 2688 2265548 2147844 12.49 191412 3533004 148588 09:10:01 AM 11018704 14140576 5122828 31.74 2688 3236020 1764228 10.26 365060 4137420 232152 09:11:01 AM 10024052 13470900 6117480 37.90 2688 3440928 1828572 10.64 414524 4815508 6744 09:12:01 AM 11261220 14774204 4880312 30.23 2688 3501568 1171680 6.82 621416 3379672 43108 Average: 11533286 14312854 4608246 28.55 2688 2882946 1601711 9.32 347223 3631808 122104 09:07:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 AM eth0 339.59 189.99 1742.97 72.72 0.00 0.00 0.00 0.00 09:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 AM eth0 310.46 243.21 3377.52 40.52 0.00 0.00 0.00 0.00 09:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 AM lo 6.41 6.41 4.60 4.60 0.00 0.00 0.00 0.00 09:10:01 AM eth0 364.58 221.91 3807.14 33.83 0.00 0.00 0.00 0.00 09:10:01 AM docker0 3.18 3.07 4.08 0.45 0.00 0.00 0.00 0.00 09:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 AM eth0 31.08 17.18 331.07 2.85 0.00 0.00 0.00 0.00 09:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM eth0 31.57 25.81 57.43 10.29 0.00 0.00 0.00 0.00 09:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 215.46 139.62 1863.33 32.04 0.00 0.00 0.00 0.00 Average: docker0 0.64 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) 02/13/2026 _x86_64_ (4 CPU) 09:06:39 LINUX RESTART (4 CPU) 09:07:01 AM CPU %user %nice %system %iowait %steal %idle 09:08:01 AM all 24.42 0.00 2.97 3.94 0.09 68.58 09:08:01 AM 0 26.96 0.00 3.59 6.84 0.10 62.50 09:08:01 AM 1 28.25 0.00 2.31 2.24 0.10 67.10 09:08:01 AM 2 22.38 0.00 3.29 4.48 0.08 69.77 09:08:01 AM 3 20.08 0.00 2.68 2.20 0.08 74.95 09:09:01 AM all 30.74 0.00 2.08 4.15 0.10 62.94 09:09:01 AM 0 30.92 0.00 2.62 6.08 0.12 60.25 09:09:01 AM 1 34.68 0.00 2.51 4.39 0.10 58.32 09:09:01 AM 2 28.68 0.00 1.77 3.39 0.08 66.07 09:09:01 AM 3 28.67 0.00 1.41 2.71 0.10 67.10 09:10:01 AM all 39.87 0.10 6.90 3.73 0.14 49.26 09:10:01 AM 0 45.99 0.12 6.93 3.50 0.15 43.30 09:10:01 AM 1 36.44 0.05 6.60 0.36 0.12 56.44 09:10:01 AM 2 43.07 0.22 6.97 6.85 0.14 42.75 09:10:01 AM 3 33.95 0.00 7.10 4.21 0.14 54.60 09:11:01 AM all 25.36 0.00 6.34 18.43 0.14 49.73 09:11:01 AM 0 22.28 0.00 6.53 18.98 0.13 52.07 09:11:01 AM 1 18.22 0.00 5.34 13.60 0.13 62.71 09:11:01 AM 2 34.37 0.00 7.60 20.62 0.15 37.26 09:11:01 AM 3 26.60 0.00 5.91 20.52 0.14 46.84 09:12:01 AM all 34.90 0.00 2.20 0.91 0.11 61.88 09:12:01 AM 0 27.03 0.00 2.11 1.00 0.08 69.78 09:12:01 AM 1 47.15 0.00 2.71 1.25 0.13 48.75 09:12:01 AM 2 29.37 0.00 1.92 0.48 0.10 68.12 09:12:01 AM 3 36.05 0.00 2.07 0.90 0.12 60.86 Average: all 31.05 0.02 4.09 6.22 0.12 58.51 Average: 0 30.63 0.02 4.35 7.26 0.12 57.61 Average: 1 32.96 0.01 3.88 4.37 0.12 58.66 Average: 2 31.55 0.04 4.30 7.14 0.11 56.85 Average: 3 29.07 0.00 3.83 6.09 0.11 60.90