---> uname -a: Linux prd-centos8-docker-4c-4g-5911.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 813 11635 19 3314 14600 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:1b:5a:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.49/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85927sec preferred_lft 85927sec inet6 fe80::f816:3eff:fe1b:5a6e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4f:25:47:b0 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::42:4fff:fe25:47b0/64 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) 02/07/2026 _x86_64_ (4 CPU) 08:02:42 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 255.07 21.76 233.32 5602.93 9752.56 08:05:01 AM 254.39 21.38 233.01 3971.07 13613.66 08:06:01 AM 35.37 0.13 35.24 5.06 7876.94 08:07:01 AM 5.27 1.05 4.22 113.45 284.54 08:08:01 AM 85.87 2.50 83.37 557.01 15182.34 08:09:01 AM 19.02 1.22 17.80 1590.67 1631.51 08:10:01 AM 98.05 0.08 97.97 9.87 8986.39 Average: 107.58 6.87 100.70 1692.98 8189.47 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 13241804 15068288 2899728 17.96 2688 2039056 1173244 6.83 153324 2383936 202180 08:05:01 AM 12076032 14380884 4065500 25.19 2688 2506936 1663604 9.68 241736 3405920 214564 08:06:01 AM 10973184 13290564 5168348 32.02 2688 2517924 2627052 15.28 263172 4480888 1028 08:07:01 AM 10115504 12444076 6026028 37.33 2688 2528820 3483104 20.26 271836 5324324 2240 08:08:01 AM 8979164 11796572 7162368 44.37 2688 3006820 10943152 63.66 405084 6253636 28304 08:09:01 AM 11389460 14383872 4752072 29.44 2688 3184004 1660320 9.66 455340 3833728 184532 08:10:01 AM 11954664 14987016 4186868 25.94 2688 3214512 1159160 6.74 649816 3062572 12604 Average: 11247116 13764467 4894416 30.32 2688 2714010 3244234 18.87 348615 4106429 92207 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 328.65 200.18 1976.67 67.77 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 414.78 328.83 5127.19 50.04 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 202.90 121.43 67.45 68.73 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.93 0.93 0.12 0.12 0.00 0.00 0.00 0.00 08:07:01 AM eth0 175.20 127.78 53.39 65.61 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 15.08 15.08 27.13 27.13 0.00 0.00 0.00 0.00 08:08:01 AM eth0 263.86 139.62 2835.25 20.23 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM vethb3862b7 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-cf8b63c06339 5.71 5.73 25.61 0.94 0.00 0.00 0.00 0.00 08:08:01 AM veth24b7b79 11.05 11.56 26.57 26.62 0.00 0.00 0.00 0.00 08:09:01 AM lo 1.92 1.92 0.10 0.10 0.00 0.00 0.00 0.00 08:09:01 AM eth0 159.18 123.13 3132.49 11.86 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 43.56 36.03 8.02 122.72 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.56 2.56 3.91 3.91 0.00 0.00 0.00 0.00 Average: eth0 226.88 153.86 1885.85 58.14 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) 02/07/2026 _x86_64_ (4 CPU) 08:02:42 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 24.31 0.00 3.07 1.20 0.08 71.34 08:04:01 AM 0 15.23 0.00 2.42 0.40 0.08 81.87 08:04:01 AM 1 25.36 0.00 3.84 2.37 0.10 68.33 08:04:01 AM 2 17.86 0.00 2.24 1.47 0.05 78.38 08:04:01 AM 3 38.80 0.00 3.79 0.55 0.07 56.79 08:05:01 AM all 51.01 0.00 2.38 1.46 0.09 45.06 08:05:01 AM 0 42.05 0.00 2.93 1.72 0.10 53.20 08:05:01 AM 1 49.79 0.00 2.37 1.37 0.08 46.38 08:05:01 AM 2 50.58 0.00 1.92 1.39 0.10 46.01 08:05:01 AM 3 61.60 0.00 2.31 1.35 0.08 34.65 08:06:01 AM all 38.46 0.00 1.42 0.29 0.08 59.76 08:06:01 AM 0 35.93 0.00 1.69 0.08 0.08 62.22 08:06:01 AM 1 34.26 0.00 1.67 0.33 0.07 63.66 08:06:01 AM 2 41.62 0.00 1.34 0.72 0.08 56.24 08:06:01 AM 3 42.01 0.00 1.00 0.02 0.07 56.91 08:07:01 AM all 28.23 0.00 1.33 0.02 0.07 70.36 08:07:01 AM 0 19.72 0.00 1.18 0.00 0.07 79.03 08:07:01 AM 1 24.90 0.00 1.27 0.02 0.08 73.74 08:07:01 AM 2 47.70 0.00 1.67 0.03 0.07 50.53 08:07:01 AM 3 20.60 0.00 1.19 0.03 0.07 78.11 08:08:01 AM all 36.90 0.00 3.09 0.71 0.09 59.22 08:08:01 AM 0 33.30 0.00 2.97 0.60 0.10 63.03 08:08:01 AM 1 28.27 0.00 3.34 0.96 0.08 67.34 08:08:01 AM 2 31.04 0.00 2.63 0.52 0.08 65.72 08:08:01 AM 3 55.00 0.00 3.43 0.74 0.08 40.75 08:09:01 AM all 28.77 0.00 1.16 0.08 0.07 69.93 08:09:01 AM 0 28.49 0.00 1.45 0.10 0.07 69.89 08:09:01 AM 1 28.29 0.00 1.67 0.17 0.08 69.79 08:09:01 AM 2 27.27 0.00 0.85 0.03 0.08 71.76 08:09:01 AM 3 31.02 0.00 0.65 0.02 0.05 68.26 08:10:01 AM all 68.03 0.00 1.64 0.53 0.08 29.71 08:10:01 AM 0 36.66 0.00 1.78 1.02 0.10 60.44 08:10:01 AM 1 78.22 0.00 3.47 0.22 0.08 18.01 08:10:01 AM 2 79.42 0.00 0.60 0.30 0.07 19.61 08:10:01 AM 3 77.87 0.00 0.70 0.60 0.08 20.75 Average: all 39.39 0.00 2.01 0.61 0.08 57.90 Average: 0 30.19 0.00 2.06 0.56 0.09 67.10 Average: 1 38.46 0.00 2.52 0.77 0.08 58.16 Average: 2 42.23 0.00 1.61 0.64 0.08 55.45 Average: 3 46.70 0.00 1.87 0.47 0.07 50.90