---> uname -a: Linux prd-centos8-docker-4c-4g-1912.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: 2800.000 BogoMIPS: 5600.00 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 1739 10167 19 3856 13674 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:fd:63:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.238/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fefd:638c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a1:89:ed:f5 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:a1ff:fe89:edf5/64 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) 03/14/2026 _x86_64_ (4 CPU) 09:27:20 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 188.76 4.31 184.44 272.26 10450.61 09:30:01 AM 215.53 2.37 213.16 769.21 26584.84 09:31:01 AM 991.35 72.36 918.99 1399.43 38217.81 09:32:01 AM 107.11 47.82 59.30 779.07 2987.10 09:33:01 AM 29.19 0.45 28.74 63.85 2517.63 Average: 306.41 25.46 280.94 656.78 16152.14 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12708668 14670204 3432856 21.27 2688 2169388 1505276 8.76 164480 2877372 220456 09:30:01 AM 9668360 12179316 6473164 40.10 2688 2704340 4600376 26.76 307732 5699076 1312 09:31:01 AM 10359768 13860516 5781756 35.82 2688 3495408 1817924 10.58 422108 4474996 27008 09:32:01 AM 10812188 14412292 5329336 33.02 2688 3591092 1429456 8.32 545176 3909824 69080 09:33:01 AM 10346736 13935884 5794788 35.90 2688 3576856 1925024 11.20 707132 4209524 23316 Average: 10779144 13811642 5362380 33.22 2688 3107417 2255611 13.12 429326 4234158 68234 09:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 201.08 169.63 2899.75 32.67 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 4.72 4.72 2.59 2.59 0.00 0.00 0.00 0.00 09:30:01 AM eth0 353.90 241.87 4688.09 28.21 0.00 0.00 0.00 0.00 09:30:01 AM docker0 2.63 2.47 2.24 0.37 0.00 0.00 0.00 0.00 09:30:01 AM veth7200030 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 09:30:01 AM vetha5f27a1 2.53 2.38 2.27 0.36 0.00 0.00 0.00 0.00 09:31:01 AM lo 1.47 1.47 1.93 1.93 0.00 0.00 0.00 0.00 09:31:01 AM eth0 186.84 145.29 1861.15 29.55 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.67 0.63 1.84 0.08 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 175.91 119.74 399.32 60.01 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 61.75 39.45 30.82 133.91 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.24 1.24 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 195.89 143.20 1975.85 56.87 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.62 0.82 0.09 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) 03/14/2026 _x86_64_ (4 CPU) 09:27:20 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 25.41 0.00 2.21 2.60 0.11 69.67 09:29:01 AM 0 21.44 0.00 1.43 2.39 0.13 74.61 09:29:01 AM 1 28.88 0.00 2.88 2.46 0.12 65.66 09:29:01 AM 2 28.64 0.00 2.37 1.57 0.10 67.31 09:29:01 AM 3 22.68 0.00 2.16 4.01 0.08 71.07 09:30:01 AM all 36.10 0.09 2.97 7.72 0.09 53.03 09:30:01 AM 0 31.64 0.02 3.23 16.08 0.08 48.96 09:30:01 AM 1 38.67 0.15 2.94 2.28 0.08 55.87 09:30:01 AM 2 35.69 0.12 2.89 3.96 0.10 57.24 09:30:01 AM 3 38.41 0.08 2.83 8.56 0.08 50.04 09:31:01 AM all 29.65 0.00 9.67 9.04 0.10 51.53 09:31:01 AM 0 40.76 0.00 11.17 7.52 0.10 40.44 09:31:01 AM 1 22.26 0.00 8.88 9.42 0.10 59.34 09:31:01 AM 2 36.43 0.00 8.53 9.68 0.09 45.27 09:31:01 AM 3 19.10 0.00 10.11 9.54 0.10 61.15 09:32:01 AM all 46.75 0.00 2.26 0.66 0.12 50.21 09:32:01 AM 0 37.70 0.00 2.62 0.67 0.13 58.88 09:32:01 AM 1 30.90 0.00 1.72 1.02 0.10 66.25 09:32:01 AM 2 69.21 0.00 2.39 0.45 0.13 27.81 09:32:01 AM 3 49.25 0.00 2.30 0.50 0.10 47.86 09:33:01 AM all 22.32 0.00 1.53 0.22 0.07 75.87 09:33:01 AM 0 16.21 0.00 1.10 0.00 0.07 82.62 09:33:01 AM 1 11.64 0.00 1.39 0.53 0.08 86.36 09:33:01 AM 2 31.05 0.00 1.77 0.28 0.05 66.85 09:33:01 AM 3 30.39 0.00 1.85 0.07 0.07 67.63 Average: all 32.05 0.02 3.70 4.02 0.10 60.11 Average: 0 29.50 0.00 3.89 5.31 0.10 61.20 Average: 1 26.47 0.03 3.54 3.12 0.10 66.74 Average: 2 40.21 0.02 3.57 3.16 0.09 52.94 Average: 3 32.02 0.02 3.82 4.51 0.09 59.55