---> uname -a: Linux prd-centos8-docker-8c-8g-1550.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1057 27143 19 3689 30370 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:b6:c1:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.140/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:feb6:c194/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:76:bf:93:fe 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::42:76ff:febf:93fe/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) 03/13/2026 _x86_64_ (8 CPU) 03:37:20 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 219.74 14.46 205.28 3200.13 11464.16 03:40:01 AM 415.50 4.82 410.68 1166.21 15202.35 03:41:01 AM 250.97 2.93 248.03 459.18 44275.74 Average: 295.40 7.40 287.99 1608.53 23647.89 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29216372 31119316 3439340 10.53 2688 2219452 1976724 5.86 188504 2785196 151688 03:40:01 AM 27903248 30213000 4752464 14.55 2688 2616896 2128792 6.32 391384 3854952 171836 03:41:01 AM 27778172 31073548 4877540 14.94 2688 3589132 1519016 4.51 651048 3673536 133632 Average: 28299264 30801955 4356448 13.34 2688 2808493 1874844 5.56 410312 3437895 152385 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 206.21 175.44 2269.14 46.37 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 447.68 380.84 5670.42 53.89 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 649.17 500.07 7082.66 1368.09 0.00 0.00 0.00 0.00 03:41:01 AM docker0 24.43 37.39 1.31 309.14 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 434.35 352.11 5007.37 489.48 0.00 0.00 0.00 0.00 Average: docker0 8.14 12.46 0.44 103.05 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) 03/13/2026 _x86_64_ (8 CPU) 03:37:20 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 13.41 0.00 1.22 0.94 0.08 84.35 03:39:01 AM 0 9.17 0.00 1.04 0.90 0.07 88.82 03:39:01 AM 1 29.65 0.00 2.52 0.65 0.12 67.06 03:39:01 AM 2 7.60 0.00 1.43 2.21 0.10 88.67 03:39:01 AM 3 21.74 0.00 0.94 0.63 0.08 76.61 03:39:01 AM 4 9.07 0.00 0.79 0.47 0.05 89.62 03:39:01 AM 5 8.07 0.00 0.94 1.04 0.07 89.89 03:39:01 AM 6 7.77 0.00 0.70 0.40 0.07 91.06 03:39:01 AM 7 14.20 0.00 1.42 1.22 0.07 83.09 03:40:01 AM all 27.79 0.00 1.73 1.81 0.10 68.57 03:40:01 AM 0 28.51 0.00 1.44 0.47 0.12 69.47 03:40:01 AM 1 30.52 0.00 2.25 2.62 0.10 64.51 03:40:01 AM 2 27.48 0.00 1.46 1.17 0.10 69.79 03:40:01 AM 3 18.47 0.00 1.39 1.76 0.08 78.29 03:40:01 AM 4 30.57 0.00 1.36 1.07 0.10 66.90 03:40:01 AM 5 19.78 0.00 2.64 3.28 0.10 74.21 03:40:01 AM 6 34.16 0.00 1.86 2.35 0.10 61.52 03:40:01 AM 7 32.84 0.00 1.46 1.73 0.10 63.87 03:41:01 AM all 15.33 0.00 3.09 1.88 0.11 79.60 03:41:01 AM 0 17.82 0.00 2.74 0.37 0.12 78.95 03:41:01 AM 1 11.30 0.00 3.68 3.07 0.10 81.85 03:41:01 AM 2 12.30 0.00 2.93 4.04 0.12 80.62 03:41:01 AM 3 14.78 0.00 2.81 0.71 0.10 81.60 03:41:01 AM 4 13.70 0.00 3.12 2.36 0.10 80.72 03:41:01 AM 5 19.81 0.00 2.99 0.40 0.10 76.69 03:41:01 AM 6 13.11 0.00 2.99 1.85 0.10 81.95 03:41:01 AM 7 19.82 0.00 3.44 2.24 0.10 74.40 Average: all 18.84 0.00 2.01 1.54 0.09 77.51 Average: 0 18.49 0.00 1.74 0.58 0.10 79.09 Average: 1 23.83 0.00 2.82 2.11 0.11 71.13 Average: 2 15.80 0.00 1.94 2.47 0.11 79.68 Average: 3 18.34 0.00 1.71 1.03 0.09 78.83 Average: 4 17.77 0.00 1.75 1.30 0.08 79.09 Average: 5 15.87 0.00 2.19 1.57 0.09 80.28 Average: 6 18.33 0.00 1.85 1.53 0.09 78.20 Average: 7 22.28 0.00 2.10 1.73 0.09 73.80