---> uname -a: Linux prd-centos8-docker-4c-4g-18743.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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1025 10631 19 4106 14388 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:f2:32:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.8/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85920sec preferred_lft 85920sec inet6 fe80::f816:3eff:fef2:3212/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c8:b5:c7:0d 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:c8ff:feb5:c70d/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) 03:29:07 LINUX RESTART (4 CPU) 03:30:01 AM tps rtps wtps bread/s bwrtn/s 03:31:01 AM 245.78 4.18 241.60 327.49 13514.90 03:32:01 AM 75.49 1.48 74.00 670.82 10773.79 03:33:01 AM 4.08 0.00 4.08 0.00 1375.79 03:34:01 AM 47.29 0.75 46.54 44.64 10034.27 03:35:01 AM 1056.11 72.78 983.34 1368.08 36428.92 03:36:01 AM 118.88 60.71 58.16 3698.50 3343.70 03:37:01 AM 180.32 4.63 175.69 2298.95 9414.40 Average: 246.85 20.65 226.20 1201.17 12126.58 03:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:31:01 AM 12645768 14684280 3495764 21.66 2688 2244244 1495736 8.70 164160 2929012 180240 03:32:01 AM 11718544 13899440 4422988 27.40 2688 2380820 2579512 15.01 257328 3735016 1984 03:33:01 AM 11663908 13891208 4477624 27.74 2688 2427140 2579512 15.01 257328 3789768 10712 03:34:01 AM 9730572 12169104 6410960 39.72 2688 2632400 4611556 26.83 300280 5650556 1316 03:35:01 AM 10503788 13932172 5637744 34.93 2688 3424556 1803620 10.49 416716 4332772 53020 03:36:01 AM 10929976 14545400 5211556 32.29 2688 3607796 1341076 7.80 463536 3861696 68868 03:37:01 AM 10872724 14717088 5268808 32.64 2688 3832500 1185372 6.90 705384 3674012 23048 Average: 11152183 13976956 4989349 30.91 2688 2935637 2228055 12.96 366390 3996119 48455 03:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 327.51 262.11 3562.41 42.69 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 03:32:01 AM eth0 97.07 68.06 950.46 8.70 0.00 0.00 0.00 0.00 03:32:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 03:32:01 AM vetha4f9328 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 03:33:01 AM eth0 71.33 42.80 776.82 2.98 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.12 0.12 0.00 0.01 0.00 0.00 0.00 0.00 03:33:01 AM vetha4f9328 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 03:34:01 AM lo 4.50 4.50 3.53 3.53 0.00 0.00 0.00 0.00 03:34:01 AM eth0 63.63 36.40 662.31 4.29 0.00 0.00 0.00 0.00 03:34:01 AM docker0 2.75 2.48 3.14 0.38 0.00 0.00 0.00 0.00 03:34:01 AM vetha4f9328 0.10 0.13 0.01 0.01 0.00 0.00 0.00 0.00 03:34:01 AM veth74142a2 2.65 2.52 3.17 0.38 0.00 0.00 0.00 0.00 03:35:01 AM lo 1.63 1.63 1.06 1.06 0.00 0.00 0.00 0.00 03:35:01 AM eth0 214.16 142.97 1862.02 24.35 0.00 0.00 0.00 0.00 03:35:01 AM docker0 0.53 0.50 0.95 0.06 0.00 0.00 0.00 0.00 03:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 AM eth0 64.08 46.13 682.04 5.36 0.00 0.00 0.00 0.00 03:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 AM eth0 115.98 95.05 2442.23 33.38 0.00 0.00 0.00 0.00 03:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.93 0.93 0.66 0.66 0.00 0.00 0.00 0.00 Average: eth0 136.25 99.07 1562.58 17.39 0.00 0.00 0.00 0.00 Average: docker0 0.50 0.47 0.58 0.07 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) 03:29:07 LINUX RESTART (4 CPU) 03:30:01 AM CPU %user %nice %system %iowait %steal %idle 03:31:01 AM all 22.20 0.00 2.32 2.65 0.10 72.74 03:31:01 AM 0 25.70 0.00 2.54 2.72 0.10 68.94 03:31:01 AM 1 24.29 0.00 2.19 2.44 0.10 70.98 03:31:01 AM 2 22.94 0.00 2.51 2.37 0.10 72.08 03:31:01 AM 3 15.85 0.00 2.04 3.05 0.10 78.96 03:32:01 AM all 19.82 0.00 1.05 1.67 0.09 77.37 03:32:01 AM 0 16.37 0.00 1.20 1.20 0.10 81.12 03:32:01 AM 1 22.27 0.00 0.60 0.30 0.08 76.75 03:32:01 AM 2 18.39 0.00 1.09 4.84 0.10 75.59 03:32:01 AM 3 22.24 0.00 1.32 0.33 0.08 76.02 03:33:01 AM all 0.51 0.00 0.17 0.17 0.08 99.08 03:33:01 AM 0 0.35 0.00 0.18 0.00 0.10 99.37 03:33:01 AM 1 0.82 0.00 0.15 0.00 0.05 98.98 03:33:01 AM 2 0.38 0.00 0.18 0.68 0.07 98.68 03:33:01 AM 3 0.47 0.00 0.15 0.00 0.08 99.30 03:34:01 AM all 15.68 0.09 1.42 0.91 0.08 81.81 03:34:01 AM 0 16.50 0.10 1.09 0.27 0.07 81.98 03:34:01 AM 1 16.38 0.08 1.53 0.03 0.08 81.89 03:34:01 AM 2 15.15 0.08 1.46 3.20 0.08 80.03 03:34:01 AM 3 14.71 0.10 1.62 0.15 0.07 83.35 03:35:01 AM all 26.44 0.00 10.01 12.04 0.12 51.39 03:35:01 AM 0 19.21 0.00 9.65 15.83 0.10 55.21 03:35:01 AM 1 34.74 0.00 10.33 11.34 0.14 43.46 03:35:01 AM 2 24.25 0.00 8.97 11.67 0.12 54.99 03:35:01 AM 3 27.53 0.00 11.10 9.32 0.14 51.91 03:36:01 AM all 44.82 0.00 1.82 2.12 0.12 51.12 03:36:01 AM 0 34.11 0.00 1.34 2.19 0.15 62.21 03:36:01 AM 1 67.30 0.00 2.36 2.01 0.12 28.22 03:36:01 AM 2 45.25 0.00 2.01 2.26 0.12 50.37 03:36:01 AM 3 32.59 0.00 1.57 2.04 0.08 63.72 03:37:01 AM all 35.52 0.00 2.01 1.45 0.10 60.93 03:37:01 AM 0 41.47 0.00 2.32 1.29 0.10 54.83 03:37:01 AM 1 33.66 0.00 1.97 0.94 0.10 63.33 03:37:01 AM 2 37.86 0.00 1.99 1.37 0.08 58.70 03:37:01 AM 3 29.09 0.00 1.76 2.19 0.10 66.87 Average: all 23.56 0.01 2.67 2.98 0.10 70.69 Average: 0 21.96 0.01 2.60 3.33 0.10 71.99 Average: 1 28.48 0.01 2.72 2.42 0.10 66.28 Average: 2 23.46 0.01 2.58 3.75 0.10 70.11 Average: 3 20.33 0.01 2.77 2.42 0.09 74.36