---> uname -a: Linux prd-centos8-docker-4c-4g-16669.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 1495 11116 19 3151 13920 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:c8:70:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.164/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85922sec preferred_lft 85922sec inet6 fe80::f816:3eff:fec8:702a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c4:c8:95:ff 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:c4ff:fec8:95ff/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) 02/14/2026 _x86_64_ (4 CPU) 00:33:16 LINUX RESTART (4 CPU) 12:34:01 AM tps rtps wtps bread/s bwrtn/s 12:35:01 AM 146.38 14.41 131.96 3046.56 10505.45 12:36:01 AM 169.43 7.36 162.06 1029.28 11385.45 12:37:01 AM 74.67 0.05 74.62 1.07 8236.14 12:38:01 AM 3.55 0.00 3.55 0.00 264.94 12:39:01 AM 66.83 3.50 63.33 642.72 15178.79 12:40:01 AM 47.25 0.02 47.23 0.67 2059.15 12:41:01 AM 27.24 2.80 24.44 122.09 1592.07 Average: 76.48 4.02 72.46 691.77 7032.07 12:34:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:35:01 AM 13011056 14963284 3130468 19.39 2688 2161536 1291260 7.51 181136 2560488 127860 12:36:01 AM 12139796 14336116 4001728 24.79 2688 2400064 1714836 9.98 240396 3347824 42464 12:37:01 AM 9465184 11852276 6676340 41.36 2688 2587796 4166660 24.24 270484 5975928 3268 12:38:01 AM 9426376 11818648 6715148 41.60 2688 2592828 4182416 24.33 270612 6014024 2844 12:39:01 AM 6158876 9025000 9982648 61.84 2688 3055748 13808116 80.33 390012 9077992 240 12:40:01 AM 12143200 14988720 3998324 24.77 2688 3035064 1176960 6.85 418720 3114316 1792 12:41:01 AM 11397692 14269804 4743832 29.39 2688 3060852 1766968 10.28 663480 3614612 23236 Average: 10534597 13036264 5606927 34.74 2688 2699127 4015317 23.36 347834 4815026 28815 12:34:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 99.75 71.97 1193.17 22.71 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 231.59 204.60 3198.41 31.19 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 240.73 167.12 2864.38 46.24 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM eth0 310.91 224.15 96.55 98.13 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 8.21 8.21 6.44 6.44 0.00 0.00 0.00 0.00 12:39:01 AM eth0 250.02 144.14 2833.90 17.05 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:39:01 AM veth579f489 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 12:39:01 AM br-2b3b36cae2f4 1.80 2.10 5.64 0.27 0.00 0.00 0.00 0.00 12:39:01 AM veth176d108 1.85 2.00 5.66 0.26 0.00 0.00 0.00 0.00 12:39:01 AM vetha068868 3.57 3.97 5.90 5.93 0.00 0.00 0.00 0.00 12:40:01 AM lo 8.98 8.98 20.68 20.68 0.00 0.00 0.00 0.00 12:40:01 AM eth0 30.09 28.01 255.31 6.79 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.12 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 AM eth0 254.00 150.32 386.45 211.96 0.00 0.00 0.00 0.00 12:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.46 2.46 3.88 3.88 0.00 0.00 0.00 0.00 Average: eth0 202.44 141.47 1547.01 62.01 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) 02/14/2026 _x86_64_ (4 CPU) 00:33:16 LINUX RESTART (4 CPU) 12:34:01 AM CPU %user %nice %system %iowait %steal %idle 12:35:01 AM all 19.02 0.00 1.82 2.65 0.10 76.42 12:35:01 AM 0 15.24 0.00 1.75 3.52 0.08 79.40 12:35:01 AM 1 28.63 0.00 2.52 3.71 0.12 65.02 12:35:01 AM 2 20.44 0.00 2.12 1.94 0.08 75.41 12:35:01 AM 3 11.77 0.00 0.87 1.42 0.12 85.82 12:36:01 AM all 42.06 0.00 1.69 4.01 0.13 52.11 12:36:01 AM 0 38.61 0.00 1.84 1.30 0.19 58.06 12:36:01 AM 1 46.60 0.00 1.23 9.82 0.12 42.24 12:36:01 AM 2 36.56 0.00 2.11 3.02 0.10 58.22 12:36:01 AM 3 46.39 0.00 1.60 1.84 0.10 50.07 12:37:01 AM all 54.65 0.00 1.79 1.36 0.11 42.09 12:37:01 AM 0 42.90 0.00 1.97 4.48 0.10 50.54 12:37:01 AM 1 53.61 0.00 1.84 0.42 0.12 44.01 12:37:01 AM 2 65.31 0.00 2.36 0.23 0.12 31.98 12:37:01 AM 3 56.78 0.00 0.99 0.30 0.10 41.82 12:38:01 AM all 14.42 0.00 1.34 0.01 0.06 84.16 12:38:01 AM 0 12.25 0.00 1.14 0.00 0.07 86.55 12:38:01 AM 1 21.17 0.00 1.52 0.00 0.07 77.25 12:38:01 AM 2 12.73 0.00 1.10 0.00 0.05 86.12 12:38:01 AM 3 11.54 0.00 1.62 0.03 0.07 86.74 12:39:01 AM all 42.02 0.00 3.08 3.54 0.10 51.26 12:39:01 AM 0 41.31 0.00 2.54 3.24 0.10 52.81 12:39:01 AM 1 60.71 0.00 3.54 4.64 0.10 31.01 12:39:01 AM 2 33.11 0.00 3.26 4.07 0.12 59.44 12:39:01 AM 3 32.94 0.00 2.99 2.22 0.10 61.76 12:40:01 AM all 21.20 0.00 1.16 0.50 0.08 77.05 12:40:01 AM 0 17.91 0.00 1.19 0.42 0.12 80.37 12:40:01 AM 1 20.47 0.00 0.90 1.26 0.08 77.29 12:40:01 AM 2 21.79 0.00 1.77 0.30 0.07 76.07 12:40:01 AM 3 24.64 0.00 0.78 0.02 0.07 74.50 12:41:01 AM all 33.11 0.00 1.61 0.23 0.08 64.97 12:41:01 AM 0 12.72 0.00 1.47 0.47 0.08 85.25 12:41:01 AM 1 34.98 0.00 0.90 0.03 0.08 64.00 12:41:01 AM 2 37.61 0.00 1.89 0.25 0.08 60.16 12:41:01 AM 3 47.10 0.00 2.19 0.15 0.07 50.49 Average: all 32.32 0.00 1.79 1.75 0.10 64.05 Average: 0 25.77 0.00 1.70 1.92 0.11 70.51 Average: 1 37.99 0.00 1.78 2.83 0.10 57.30 Average: 2 32.50 0.00 2.09 1.40 0.09 63.93 Average: 3 33.01 0.00 1.58 0.85 0.09 64.47