---> uname -a: Linux prd-centos8-docker-8c-8g-2687.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 1077 27117 19 3695 30349 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:54:66:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.254/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe54:66d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:78:18:fa:f1 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::42:78ff:fe18:faf1/64 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) 03/18/2026 _x86_64_ (8 CPU) 03:37:37 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 258.53 20.08 238.45 4089.84 7373.81 03:40:01 AM 505.40 4.87 500.53 1163.81 16752.09 03:41:01 AM 293.95 3.18 290.77 543.29 48691.09 Average: 352.62 9.38 343.24 1932.35 24272.75 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29335480 31160656 3320232 10.17 2688 2144764 1991096 5.91 152704 2725616 218136 03:40:01 AM 28085436 30369036 4570276 14.00 2688 2591716 2055768 6.10 256596 3812600 268320 03:41:01 AM 26544204 29783504 6111508 18.71 2688 3532776 2561552 7.60 645976 4907640 66712 Average: 27988373 30437732 4667339 14.29 2688 2756419 2202805 6.54 351759 3815285 184389 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 133.69 95.68 1344.75 34.07 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 593.62 490.10 6462.31 66.94 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 535.52 418.21 7415.64 351.25 0.00 0.00 0.00 0.00 03:41:01 AM docker0 14.18 20.68 0.79 308.76 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 420.93 334.66 5074.16 150.76 0.00 0.00 0.00 0.00 Average: docker0 4.73 6.89 0.26 102.93 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) 03/18/2026 _x86_64_ (8 CPU) 03:37:37 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 10.21 0.00 1.12 0.56 0.05 88.06 03:39:01 AM 0 2.72 0.00 0.43 0.18 0.05 96.61 03:39:01 AM 1 6.15 0.00 0.84 0.52 0.05 92.45 03:39:01 AM 2 7.31 0.00 1.05 0.27 0.05 91.32 03:39:01 AM 3 14.88 0.00 1.25 0.23 0.07 83.56 03:39:01 AM 4 22.35 0.00 2.10 0.28 0.08 75.18 03:39:01 AM 5 5.46 0.00 0.43 0.10 0.02 93.99 03:39:01 AM 6 12.40 0.00 1.03 0.50 0.03 86.03 03:39:01 AM 7 10.44 0.00 1.82 2.42 0.03 85.28 03:40:01 AM all 24.54 0.00 1.66 1.32 0.09 72.40 03:40:01 AM 0 17.70 0.00 1.14 0.40 0.08 80.68 03:40:01 AM 1 24.51 0.00 1.66 2.01 0.10 71.72 03:40:01 AM 2 27.23 0.00 1.27 0.85 0.10 70.54 03:40:01 AM 3 27.42 0.00 1.45 1.00 0.08 70.04 03:40:01 AM 4 30.75 0.00 2.93 2.21 0.10 64.01 03:40:01 AM 5 22.12 0.00 1.96 1.41 0.08 74.43 03:40:01 AM 6 32.83 0.00 1.47 1.42 0.10 64.18 03:40:01 AM 7 13.75 0.00 1.40 1.22 0.07 83.56 03:41:01 AM all 21.53 0.00 3.22 0.95 0.08 74.23 03:41:01 AM 0 24.41 0.00 2.62 0.24 0.08 72.65 03:41:01 AM 1 18.41 0.00 3.35 2.10 0.08 76.05 03:41:01 AM 2 19.29 0.00 3.13 1.33 0.08 76.17 03:41:01 AM 3 30.56 0.00 3.82 0.54 0.08 65.00 03:41:01 AM 4 23.48 0.00 3.53 1.18 0.07 71.75 03:41:01 AM 5 20.54 0.00 3.65 1.06 0.08 74.67 03:41:01 AM 6 13.99 0.00 2.77 0.54 0.07 82.63 03:41:01 AM 7 21.51 0.00 2.91 0.60 0.08 74.90 Average: all 18.75 0.00 2.00 0.94 0.07 78.24 Average: 0 14.92 0.00 1.39 0.27 0.07 83.34 Average: 1 16.35 0.00 1.94 1.54 0.08 80.09 Average: 2 17.94 0.00 1.82 0.82 0.08 79.35 Average: 3 24.28 0.00 2.17 0.59 0.08 72.88 Average: 4 25.53 0.00 2.85 1.22 0.08 70.32 Average: 5 16.01 0.00 2.01 0.86 0.06 81.06 Average: 6 19.74 0.00 1.76 0.82 0.07 77.61 Average: 7 15.22 0.00 2.04 1.42 0.06 81.26