---> uname -a: Linux prd-centos8-docker-4c-4g-1136.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: 2799.998 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): 0-3 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 1018 10907 19 3838 14395 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:89:45:41 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 86098sec preferred_lft 86098sec inet6 fe80::f816:3eff:fe89:4541/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:93:3b:fa:2f 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::42:93ff:fe3b:fa2f/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) 03/31/2026 _x86_64_ (4 CPU) 12:49:10 LINUX RESTART (4 CPU) 12:50:02 PM tps rtps wtps bread/s bwrtn/s 12:51:01 PM 197.56 4.95 192.61 454.02 10449.81 12:52:01 PM 264.30 3.20 261.10 797.87 37323.08 12:53:01 PM 1050.42 95.08 955.34 1697.72 26786.50 12:54:01 PM 72.11 23.86 48.25 475.57 2259.95 Average: 396.91 31.88 365.03 857.96 19241.50 12:50:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:51:01 PM 12743636 14707576 3397896 21.05 2688 2170824 1573704 9.15 160028 2844876 195780 12:52:01 PM 11356380 14201484 4785152 29.64 2688 3022004 1814312 10.55 366772 3909188 5584 12:53:01 PM 9896872 13404428 6244660 38.69 2688 3501636 1888704 10.99 416164 4922924 6772 12:54:01 PM 11157092 14724776 4984440 30.88 2688 3555936 1199448 6.98 628960 3458196 37024 Average: 11288495 14259566 4853037 30.07 2688 3062600 1619042 9.42 392981 3783796 61290 12:50:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:51:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:51:01 PM eth0 180.70 146.59 2171.08 29.25 0.00 0.00 0.00 0.00 12:51:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:52:01 PM lo 6.25 6.25 4.50 4.50 0.00 0.00 0.00 0.00 12:52:01 PM eth0 426.76 302.97 5555.46 40.97 0.00 0.00 0.00 0.00 12:52:01 PM docker0 3.38 3.27 4.09 0.46 0.00 0.00 0.00 0.00 12:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:53:01 PM eth0 124.05 79.95 955.03 15.83 0.00 0.00 0.00 0.00 12:53:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:54:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:54:01 PM eth0 41.50 35.05 64.83 26.47 0.00 0.00 0.00 0.00 12:54:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.57 1.57 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 193.31 141.12 2186.72 28.13 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.82 1.03 0.12 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) 03/31/2026 _x86_64_ (4 CPU) 12:49:10 LINUX RESTART (4 CPU) 12:50:02 PM CPU %user %nice %system %iowait %steal %idle 12:51:01 PM all 22.74 0.00 2.14 1.03 0.08 74.01 12:51:01 PM 0 22.03 0.00 2.62 1.38 0.09 73.89 12:51:01 PM 1 37.10 0.00 2.84 0.73 0.10 59.22 12:51:01 PM 2 19.70 0.00 1.94 1.41 0.07 76.88 12:51:01 PM 3 12.09 0.00 1.16 0.61 0.07 86.07 12:52:01 PM all 48.39 0.09 4.67 1.55 0.12 45.18 12:52:01 PM 0 44.08 0.02 4.62 2.44 0.12 48.72 12:52:01 PM 1 43.52 0.08 4.45 0.91 0.12 50.93 12:52:01 PM 2 55.62 0.19 4.66 1.23 0.12 38.18 12:52:01 PM 3 50.34 0.07 4.93 1.62 0.13 42.91 12:53:01 PM all 29.68 0.00 8.79 7.99 0.12 53.41 12:53:01 PM 0 52.70 0.00 8.36 7.80 0.12 31.02 12:53:01 PM 1 26.61 0.00 9.32 7.74 0.12 56.21 12:53:01 PM 2 24.14 0.00 8.99 6.98 0.12 59.78 12:53:01 PM 3 15.26 0.00 8.51 9.46 0.12 66.66 12:54:01 PM all 35.53 0.00 2.14 0.74 0.11 61.47 12:54:01 PM 0 46.19 0.00 2.60 0.93 0.13 50.13 12:54:01 PM 1 31.20 0.00 2.11 0.84 0.10 65.75 12:54:01 PM 2 29.71 0.00 1.82 0.38 0.10 67.98 12:54:01 PM 3 35.01 0.00 2.04 0.80 0.10 62.05 Average: all 34.13 0.02 4.43 2.82 0.11 58.50 Average: 0 41.28 0.00 4.54 3.13 0.11 50.93 Average: 1 34.61 0.02 4.67 2.55 0.11 58.04 Average: 2 32.34 0.05 4.34 2.49 0.10 60.68 Average: 3 28.27 0.02 4.15 3.11 0.11 64.34