---> uname -a: Linux prd-centos8-docker-8c-8g-16717.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: 2799.996 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 990 28441 19 2457 30450 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:f0:2e:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.4/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fef0:2ea2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:89:1f:4b:af 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 ---> 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_ (8 CPU) 05:18:05 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 214.23 3.52 210.71 626.16 12032.21 05:21:01 AM 123.63 1.78 121.84 664.85 7160.61 05:22:01 AM 70.55 1.10 69.46 81.19 5001.22 Average: 136.14 2.13 134.00 457.41 8064.63 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 27996060 29842148 4659652 14.27 2688 2160088 2824400 8.38 171300 4011276 91236 05:21:01 AM 27449488 29477720 5206224 15.94 2688 2336416 3002168 8.91 230276 4472420 68952 05:22:01 AM 29115952 31172228 3539760 10.84 2688 2362760 1428420 4.24 412792 2626896 8484 Average: 28187167 30164032 4468545 13.68 2688 2286421 2418329 7.18 271456 3703531 56224 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 259.69 226.73 1905.47 62.55 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 153.47 131.51 1542.76 30.10 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 150.69 148.78 262.91 168.45 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 187.95 169.00 1237.06 87.03 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 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_ (8 CPU) 05:18:05 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 20.13 0.00 1.33 0.68 0.07 77.79 05:20:01 AM 0 9.43 0.00 1.20 0.90 0.08 88.38 05:20:01 AM 1 26.63 0.00 1.84 1.34 0.07 70.13 05:20:01 AM 2 15.61 0.00 0.89 0.15 0.08 83.26 05:20:01 AM 3 33.29 0.00 2.55 0.97 0.08 63.10 05:20:01 AM 4 30.21 0.00 1.25 0.75 0.07 67.72 05:20:01 AM 5 16.89 0.00 1.24 0.70 0.05 81.12 05:20:01 AM 6 12.36 0.00 0.84 0.30 0.05 86.45 05:20:01 AM 7 16.60 0.00 0.82 0.33 0.07 82.18 05:21:01 AM all 44.14 0.00 1.45 0.32 0.09 54.00 05:21:01 AM 0 44.26 0.00 1.22 0.32 0.10 54.10 05:21:01 AM 1 40.98 0.00 1.20 0.52 0.10 57.20 05:21:01 AM 2 49.95 0.00 2.04 0.32 0.08 47.61 05:21:01 AM 3 52.84 0.00 1.57 0.27 0.10 45.22 05:21:01 AM 4 45.53 0.00 1.59 0.10 0.07 52.71 05:21:01 AM 5 30.23 0.00 1.10 0.62 0.10 67.95 05:21:01 AM 6 49.61 0.00 1.34 0.10 0.08 48.87 05:21:01 AM 7 39.68 0.00 1.57 0.30 0.08 58.36 05:22:01 AM all 16.15 0.00 1.28 0.15 0.06 82.35 05:22:01 AM 0 8.54 0.00 0.95 0.07 0.05 90.39 05:22:01 AM 1 20.21 0.00 1.45 0.03 0.05 78.26 05:22:01 AM 2 21.73 0.00 1.45 0.43 0.08 76.30 05:22:01 AM 3 21.97 0.00 1.44 0.20 0.05 76.34 05:22:01 AM 4 12.54 0.00 1.32 0.08 0.05 86.01 05:22:01 AM 5 10.41 0.00 1.00 0.13 0.07 88.39 05:22:01 AM 6 23.71 0.00 1.60 0.13 0.05 74.50 05:22:01 AM 7 10.15 0.00 1.05 0.10 0.07 88.64 Average: all 26.81 0.00 1.36 0.38 0.07 71.38 Average: 0 20.75 0.00 1.12 0.43 0.08 77.62 Average: 1 29.28 0.00 1.50 0.63 0.07 68.52 Average: 2 29.10 0.00 1.46 0.30 0.08 69.05 Average: 3 36.04 0.00 1.85 0.48 0.08 61.55 Average: 4 29.43 0.00 1.39 0.31 0.06 68.82 Average: 5 19.17 0.00 1.11 0.48 0.07 79.16 Average: 6 28.57 0.00 1.26 0.18 0.06 69.93 Average: 7 22.14 0.00 1.15 0.24 0.07 76.40