---> uname -a: Linux prd-centos8-docker-4c-4g-653.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: 2799.934 BogoMIPS: 5599.86 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1062 10864 19 3836 14351 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:34:ee:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.164/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe34:ee73/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ac:c6:c1:9c 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:acff:fec6:c19c/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) 03/30/2026 _x86_64_ (4 CPU) 13:13:28 LINUX RESTART (4 CPU) 01:14:01 PM tps rtps wtps bread/s bwrtn/s 01:15:01 PM 201.47 5.28 196.18 457.66 10109.38 01:16:02 PM 283.36 3.15 280.21 804.40 39593.90 01:17:01 PM 1015.00 96.70 918.30 1726.49 25947.97 01:18:01 PM 81.12 23.83 57.30 475.84 2893.47 Average: 392.63 31.97 360.66 862.48 19609.91 01:14:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:15:01 PM 12714616 14677404 3426916 21.23 2688 2169912 1592704 9.27 160376 2874144 224328 01:16:02 PM 11122540 14032112 5018992 31.09 2688 3074084 1979476 11.52 366720 4128092 32792 01:17:01 PM 9702060 13209040 6439472 39.89 2688 3501844 2047444 11.91 416076 5131800 6768 01:18:01 PM 11117556 14684784 5023976 31.12 2688 3555960 1229188 7.15 629224 3510824 23040 Average: 11164193 14150835 4977339 30.84 2688 3075450 1712203 9.96 393099 3911215 71732 01:14:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:15:01 PM eth0 199.12 163.29 2383.77 30.73 0.00 0.00 0.00 0.00 01:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:16:02 PM lo 6.21 6.21 4.58 4.58 0.00 0.00 0.00 0.00 01:16:02 PM eth0 470.66 345.65 5646.81 43.37 0.00 0.00 0.00 0.00 01:16:02 PM docker0 3.33 3.10 4.09 0.45 0.00 0.00 0.00 0.00 01:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:17:01 PM eth0 163.75 99.69 882.33 13.05 0.00 0.00 0.00 0.00 01:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:18:01 PM eth0 33.69 28.64 62.51 11.60 0.00 0.00 0.00 0.00 01:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 217.03 159.57 2249.60 24.74 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.78 1.03 0.11 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) 03/30/2026 _x86_64_ (4 CPU) 13:13:28 LINUX RESTART (4 CPU) 01:14:01 PM CPU %user %nice %system %iowait %steal %idle 01:15:01 PM all 26.39 0.00 2.28 0.89 0.09 70.35 01:15:01 PM 0 33.49 0.00 2.42 1.20 0.08 62.80 01:15:01 PM 1 31.51 0.00 2.57 0.70 0.10 65.12 01:15:01 PM 2 16.39 0.00 1.83 1.07 0.08 80.63 01:15:01 PM 3 24.13 0.00 2.31 0.59 0.08 72.89 01:16:02 PM all 48.65 0.10 5.24 1.43 0.11 44.47 01:16:02 PM 0 49.16 0.03 5.23 1.78 0.12 43.68 01:16:02 PM 1 49.23 0.03 4.89 1.26 0.10 44.49 01:16:02 PM 2 44.31 0.22 6.69 1.38 0.12 47.28 01:16:02 PM 3 51.91 0.10 4.13 1.31 0.10 42.44 01:17:01 PM all 30.13 0.00 8.57 6.54 0.11 54.66 01:17:01 PM 0 21.89 0.00 10.33 8.01 0.12 59.65 01:17:01 PM 1 19.74 0.00 6.73 5.03 0.09 68.41 01:17:01 PM 2 45.28 0.00 8.50 5.27 0.10 40.85 01:17:01 PM 3 33.52 0.00 8.72 7.84 0.12 49.80 01:18:01 PM all 34.00 0.00 2.21 0.84 0.09 62.86 01:18:01 PM 0 22.66 0.00 1.94 0.35 0.10 74.95 01:18:01 PM 1 32.96 0.00 1.99 1.59 0.08 63.39 01:18:01 PM 2 34.74 0.00 2.09 0.99 0.08 62.09 01:18:01 PM 3 45.65 0.00 2.83 0.43 0.08 51.00 Average: all 34.80 0.02 4.54 2.40 0.10 58.14 Average: 0 31.85 0.01 4.93 2.79 0.11 60.31 Average: 1 33.44 0.01 4.02 2.12 0.09 60.32 Average: 2 35.11 0.05 4.75 2.16 0.10 57.83 Average: 3 38.82 0.03 4.46 2.51 0.10 54.08