---> uname -a: Linux prd-centos8-docker-4c-4g-4127.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 815 11900 19 3047 14601 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:f0:d8:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.179/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85950sec preferred_lft 85950sec inet6 fe80::f816:3eff:fef0:d833/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e4:3a:aa:8d 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:e4ff:fe3a:aa8d/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) 01/08/2026 _x86_64_ (4 CPU) 20:32:04 LINUX RESTART (4 CPU) 08:33:01 PM tps rtps wtps bread/s bwrtn/s 08:34:01 PM 158.00 14.24 143.76 2934.27 10256.01 08:35:01 PM 184.02 7.26 176.76 1045.34 9746.08 08:36:01 PM 35.29 0.05 35.24 1.07 7732.56 08:37:01 PM 4.12 0.00 4.12 0.00 295.85 08:38:01 PM 70.03 3.38 66.65 572.51 15154.37 08:39:01 PM 18.96 0.08 18.88 10.40 3782.59 Average: 78.41 4.17 74.24 760.70 7828.45 08:33:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:34:01 PM 12863964 14832956 3277568 20.31 2688 2177024 1359048 7.91 159280 2732732 152080 08:35:01 PM 11525064 13826628 4616468 28.60 2688 2503456 2200964 12.80 238656 3959488 208120 08:36:01 PM 9893972 12210752 6247560 38.70 2688 2517564 3694944 21.49 260980 5559476 3972 08:37:01 PM 9850264 12171700 6291268 38.98 2688 2522060 3679148 21.40 261104 5603132 2904 08:38:01 PM 7277080 10138592 8864452 54.92 2688 3051348 12448764 72.42 380576 7973468 80068 08:39:01 PM 12159384 14914532 3982148 24.67 2688 2945136 1243832 7.24 578908 2942924 9228 Average: 10594955 13015860 5546577 34.36 2688 2619431 4104450 23.88 313251 4795203 76062 08:33:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 PM eth0 113.43 91.57 1372.37 23.85 0.00 0.00 0.00 0.00 08:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 PM eth0 413.94 324.77 4602.28 44.52 0.00 0.00 0.00 0.00 08:35:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:36:01 PM eth0 23.16 20.56 4.96 24.18 0.00 0.00 0.00 0.00 08:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:37:01 PM eth0 14.76 15.26 2.84 21.65 0.00 0.00 0.00 0.00 08:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:38:01 PM lo 16.34 16.34 27.17 27.17 0.00 0.00 0.00 0.00 08:38:01 PM eth0 233.30 135.98 2831.14 15.82 0.00 0.00 0.00 0.00 08:38:01 PM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 08:38:01 PM veth6011f2b 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 08:38:01 PM br-64b7bc3a68e3 5.20 5.35 25.57 0.90 0.00 0.00 0.00 0.00 08:38:01 PM vethfb0cd3c 5.48 5.21 25.64 0.87 0.00 0.00 0.00 0.00 08:38:01 PM veth747881d 10.16 10.86 26.49 26.54 0.00 0.00 0.00 0.00 08:39:01 PM lo 2.68 2.68 0.17 0.17 0.00 0.00 0.00 0.00 08:39:01 PM eth0 16.68 12.75 9.57 16.88 0.00 0.00 0.00 0.00 08:39:01 PM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 3.17 3.17 4.56 4.56 0.00 0.00 0.00 0.00 Average: eth0 135.90 100.16 1470.73 24.48 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) 01/08/2026 _x86_64_ (4 CPU) 20:32:04 LINUX RESTART (4 CPU) 08:33:01 PM CPU %user %nice %system %iowait %steal %idle 08:34:01 PM all 23.37 0.00 2.22 1.86 0.10 72.45 08:34:01 PM 0 29.91 0.00 2.39 1.74 0.10 65.87 08:34:01 PM 1 15.74 0.00 2.06 2.49 0.08 79.63 08:34:01 PM 2 21.73 0.00 1.77 1.54 0.12 74.84 08:34:01 PM 3 26.10 0.00 2.66 1.67 0.08 69.49 08:35:01 PM all 49.35 0.00 3.13 3.06 0.14 44.31 08:35:01 PM 0 53.71 0.00 3.74 5.21 0.15 37.18 08:35:01 PM 1 47.70 0.00 2.60 1.63 0.14 47.94 08:35:01 PM 2 44.07 0.00 2.53 2.26 0.14 51.00 08:35:01 PM 3 51.97 0.00 3.63 3.16 0.15 41.09 08:36:01 PM all 54.29 0.00 1.00 0.49 0.12 44.10 08:36:01 PM 0 44.98 0.00 0.79 1.54 0.13 52.56 08:36:01 PM 1 71.81 0.00 1.95 0.00 0.13 26.10 08:36:01 PM 2 45.65 0.00 0.87 0.43 0.10 52.95 08:36:01 PM 3 54.70 0.00 0.38 0.00 0.12 44.79 08:37:01 PM all 14.13 0.00 0.32 0.02 0.05 85.48 08:37:01 PM 0 9.86 0.00 0.32 0.05 0.07 89.70 08:37:01 PM 1 10.65 0.00 0.32 0.02 0.05 88.96 08:37:01 PM 2 19.03 0.00 0.37 0.00 0.05 80.55 08:37:01 PM 3 16.96 0.00 0.28 0.00 0.05 82.71 08:38:01 PM all 41.26 0.00 3.35 1.42 0.13 53.84 08:38:01 PM 0 34.90 0.00 2.58 0.50 0.12 61.89 08:38:01 PM 1 34.12 0.00 2.54 4.17 0.13 59.04 08:38:01 PM 2 64.61 0.00 4.14 0.75 0.15 30.34 08:38:01 PM 3 31.38 0.00 4.15 0.27 0.10 64.10 08:39:01 PM all 19.97 0.00 1.24 0.22 0.12 78.45 08:39:01 PM 0 21.06 0.00 1.35 0.03 0.13 77.42 08:39:01 PM 1 19.32 0.00 0.80 0.47 0.12 79.29 08:39:01 PM 2 21.51 0.00 1.27 0.32 0.12 76.78 08:39:01 PM 3 18.00 0.00 1.52 0.07 0.12 80.30 Average: all 33.68 0.00 1.87 1.17 0.11 63.16 Average: 0 32.31 0.00 1.85 1.50 0.12 64.23 Average: 1 33.17 0.00 1.71 1.46 0.11 63.55 Average: 2 36.07 0.00 1.82 0.88 0.11 61.11 Average: 3 33.16 0.00 2.10 0.86 0.10 63.77