---> uname -a: Linux prd-centos8-docker-8c-8g-2270.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 1073 27124 19 3692 30353 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:08:ad:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.147/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fe08:adce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3c:79:7d:a5 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::42:3cff:fe79:7da5/64 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) 03/16/2026 _x86_64_ (8 CPU) 03:37:43 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 343.95 21.59 322.36 5909.66 10178.57 03:40:01 AM 501.15 16.83 484.32 2694.04 14781.14 03:41:01 AM 286.30 2.73 283.57 437.32 40633.39 03:42:01 AM 122.39 3.62 118.78 198.07 16051.10 Average: 313.45 11.19 302.26 2309.77 20411.05 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29489240 31264796 3166472 9.70 2688 2095628 1397248 4.15 144912 2583048 227984 03:40:01 AM 28324044 30440948 4331668 13.26 2688 2427204 2118144 6.28 217732 3622216 178964 03:41:01 AM 26593944 29717932 6061768 18.56 2688 3421364 2724656 8.08 560144 4952900 18152 03:42:01 AM 27842680 31149232 4813032 14.74 2688 3598956 1489616 4.42 826692 3429340 23240 Average: 28062477 30643227 4593235 14.07 2688 2885788 1932416 5.73 437370 3646876 112085 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 402.70 241.69 2030.49 79.36 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 426.81 376.86 3905.10 57.98 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 700.43 532.99 9693.30 57.89 0.00 0.00 0.00 0.00 03:41:01 AM docker0 3.13 5.08 0.18 141.53 0.00 0.00 0.00 0.00 03:41:01 AM veth63bc14a 3.13 5.13 0.22 141.53 0.00 0.00 0.00 0.01 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 261.70 271.08 378.25 2335.99 0.00 0.00 0.00 0.00 03:42:01 AM docker0 10.58 16.09 0.58 166.61 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 447.91 355.65 4001.78 632.81 0.00 0.00 0.00 0.00 Average: docker0 3.43 5.29 0.19 77.03 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) 03/16/2026 _x86_64_ (8 CPU) 03:37:43 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 15.06 0.00 1.88 0.73 0.06 82.27 03:39:01 AM 0 11.70 0.00 2.29 2.99 0.08 82.93 03:39:01 AM 1 14.81 0.00 1.07 0.37 0.05 83.70 03:39:01 AM 2 31.88 0.00 3.50 0.69 0.07 63.87 03:39:01 AM 3 15.69 0.00 1.70 0.57 0.07 81.97 03:39:01 AM 4 8.86 0.00 0.89 0.50 0.07 89.69 03:39:01 AM 5 18.67 0.00 2.44 0.30 0.05 78.54 03:39:01 AM 6 9.05 0.00 1.44 0.05 0.08 89.38 03:39:01 AM 7 9.79 0.00 1.72 0.35 0.03 88.10 03:40:01 AM all 17.81 0.00 1.39 1.20 0.08 79.52 03:40:01 AM 0 16.87 0.00 0.63 0.05 0.07 82.38 03:40:01 AM 1 13.51 0.00 1.07 0.80 0.08 84.54 03:40:01 AM 2 19.43 0.00 1.02 0.89 0.08 78.58 03:40:01 AM 3 22.85 0.00 2.83 3.82 0.07 70.43 03:40:01 AM 4 18.76 0.00 1.09 0.69 0.08 79.38 03:40:01 AM 5 17.04 0.00 1.71 1.77 0.07 79.41 03:40:01 AM 6 15.47 0.00 1.22 0.48 0.07 82.76 03:40:01 AM 7 18.59 0.00 1.54 1.14 0.08 78.65 03:41:01 AM all 26.43 0.00 2.27 1.04 0.08 70.19 03:41:01 AM 0 27.99 0.00 1.74 1.09 0.08 69.09 03:41:01 AM 1 35.30 0.00 2.65 1.49 0.07 60.49 03:41:01 AM 2 24.31 0.00 2.77 1.21 0.08 71.63 03:41:01 AM 3 26.55 0.00 2.24 1.18 0.08 69.95 03:41:01 AM 4 22.11 0.00 2.07 0.69 0.05 75.08 03:41:01 AM 5 35.60 0.00 2.01 0.65 0.08 61.66 03:41:01 AM 6 21.38 0.00 2.18 1.51 0.08 74.84 03:41:01 AM 7 18.16 0.00 2.46 0.50 0.07 78.81 03:42:01 AM all 11.75 0.00 2.24 0.26 0.06 85.68 03:42:01 AM 0 5.56 0.00 2.21 0.10 0.08 92.05 03:42:01 AM 1 6.99 0.00 1.88 0.49 0.07 90.58 03:42:01 AM 2 25.93 0.00 3.06 0.27 0.05 70.68 03:42:01 AM 3 5.49 0.00 1.93 0.39 0.07 92.13 03:42:01 AM 4 13.38 0.00 2.01 0.15 0.07 84.39 03:42:01 AM 5 13.55 0.00 2.43 0.27 0.05 83.71 03:42:01 AM 6 12.16 0.00 1.84 0.07 0.05 85.88 03:42:01 AM 7 10.94 0.00 2.60 0.39 0.07 86.01 Average: all 17.76 0.00 1.94 0.81 0.07 79.42 Average: 0 15.53 0.00 1.72 1.06 0.08 81.62 Average: 1 17.64 0.00 1.67 0.79 0.07 79.84 Average: 2 25.39 0.00 2.59 0.76 0.07 71.19 Average: 3 17.63 0.00 2.17 1.49 0.07 78.63 Average: 4 15.77 0.00 1.51 0.51 0.07 82.15 Average: 5 21.21 0.00 2.14 0.75 0.06 75.83 Average: 6 14.51 0.00 1.67 0.53 0.07 83.22 Average: 7 14.37 0.00 2.08 0.59 0.06 82.89