---> uname -a: Linux prd-centos8-docker-4c-4g-2180.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 793 11905 19 3064 14623 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:2d:c1:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85978sec preferred_lft 85978sec inet6 fe80::f816:3eff:fe2d:c1ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:21:cf:ac:7b 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::42:21ff:fecf:ac7b/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) 03/04/2026 _x86_64_ (4 CPU) 17:54:13 LINUX RESTART (4 CPU) 05:55:01 PM tps rtps wtps bread/s bwrtn/s 05:56:01 PM 206.22 18.40 187.82 3346.51 11040.03 05:57:01 PM 146.23 3.23 143.00 774.69 10108.24 05:58:01 PM 29.46 0.05 29.41 1.07 6653.37 05:59:01 PM 2.93 0.00 2.93 0.00 276.92 06:00:01 PM 87.30 3.50 83.81 570.74 18735.37 06:01:02 PM 29.41 0.47 28.95 63.99 970.27 Average: 83.60 4.27 79.32 792.80 7964.36 05:55:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:56:01 PM 12762904 14780580 3378628 20.93 2688 2225004 1403620 8.17 165040 2825552 177040 05:57:01 PM 11146380 13463940 4995152 30.95 2688 2519196 2424704 14.11 254996 4319184 186032 05:58:01 PM 9562788 11888092 6578744 40.76 2688 2526676 3870256 22.51 263920 5890304 3948 05:59:01 PM 9531248 11862276 6610284 40.95 2688 2532176 3903148 22.71 264148 5920868 2624 06:00:01 PM 8805464 11570616 7336068 45.45 2688 2955632 4453940 25.91 404844 6455732 108 06:01:02 PM 12241508 15022552 3900024 24.16 2688 2970832 1128468 6.56 588228 2853436 24872 Average: 10675049 13098009 5466483 33.87 2688 2621586 2864023 16.66 323529 4710846 65771 05:55:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 PM eth0 177.64 147.03 2007.18 35.47 0.00 0.00 0.00 0.00 05:56:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 PM eth0 291.92 218.02 4110.17 32.02 0.00 0.00 0.00 0.00 05:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 PM eth0 24.55 22.16 4.90 28.12 0.00 0.00 0.00 0.00 05:58:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 PM eth0 15.84 15.63 3.65 17.88 0.00 0.00 0.00 0.00 05:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 PM lo 15.08 15.08 27.21 27.21 0.00 0.00 0.00 0.00 06:00:01 PM eth0 182.31 104.75 2829.45 9.68 0.00 0.00 0.00 0.00 06:00:01 PM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 06:00:01 PM veth055fdcc 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 06:00:01 PM br-104c9ccb1c50 5.55 5.50 25.60 0.93 0.00 0.00 0.00 0.00 06:01:02 PM lo 1.60 1.60 0.11 0.11 0.00 0.00 0.00 0.00 06:01:02 PM eth0 33.78 18.23 23.42 19.37 0.00 0.00 0.00 0.00 06:01:02 PM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.78 2.78 4.55 4.55 0.00 0.00 0.00 0.00 Average: eth0 121.02 87.65 1496.75 23.76 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 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) 03/04/2026 _x86_64_ (4 CPU) 17:54:13 LINUX RESTART (4 CPU) 05:55:01 PM CPU %user %nice %system %iowait %steal %idle 05:56:01 PM all 26.47 0.00 2.73 1.47 0.09 69.24 05:56:01 PM 0 24.52 0.00 2.19 1.12 0.10 72.07 05:56:01 PM 1 41.57 0.00 3.81 1.52 0.10 53.00 05:56:01 PM 2 18.45 0.00 2.65 2.15 0.10 76.65 05:56:01 PM 3 21.31 0.00 2.26 1.10 0.07 75.26 05:57:01 PM all 57.66 0.00 2.47 1.10 0.13 38.64 05:57:01 PM 0 55.82 0.00 2.81 2.12 0.15 39.10 05:57:01 PM 1 58.71 0.00 1.50 0.68 0.12 38.99 05:57:01 PM 2 62.31 0.00 2.05 0.60 0.12 34.92 05:57:01 PM 3 53.79 0.00 3.54 1.01 0.12 41.55 05:58:01 PM all 43.30 0.00 0.83 0.32 0.10 55.45 05:58:01 PM 0 42.66 0.00 0.70 1.12 0.10 55.42 05:58:01 PM 1 35.22 0.00 0.99 0.07 0.10 63.63 05:58:01 PM 2 55.28 0.00 1.25 0.08 0.12 43.27 05:58:01 PM 3 40.03 0.00 0.40 0.00 0.10 59.47 05:59:01 PM all 15.36 0.00 0.37 0.01 0.06 84.19 05:59:01 PM 0 7.25 0.00 0.40 0.00 0.07 92.28 05:59:01 PM 1 10.85 0.00 0.28 0.02 0.05 88.80 05:59:01 PM 2 12.35 0.00 0.23 0.03 0.05 87.34 05:59:01 PM 3 31.00 0.00 0.57 0.00 0.07 68.36 06:00:01 PM all 34.99 0.00 3.68 1.47 0.10 59.77 06:00:01 PM 0 28.69 0.00 4.56 1.58 0.08 65.09 06:00:01 PM 1 34.23 0.00 3.12 1.43 0.10 61.12 06:00:01 PM 2 33.50 0.00 3.14 1.02 0.10 62.24 06:00:01 PM 3 43.55 0.00 3.90 1.83 0.10 50.61 06:01:02 PM all 24.55 0.00 1.45 0.10 0.08 73.82 06:01:02 PM 0 17.62 0.00 1.30 0.15 0.08 80.84 06:01:02 PM 1 36.38 0.00 2.07 0.12 0.08 61.34 06:01:02 PM 2 20.68 0.00 1.45 0.08 0.07 77.71 06:01:02 PM 3 23.51 0.00 0.99 0.05 0.07 75.38 Average: all 33.72 0.00 1.92 0.74 0.09 63.52 Average: 0 29.43 0.00 1.99 1.01 0.10 67.47 Average: 1 36.16 0.00 1.96 0.64 0.09 61.15 Average: 2 33.78 0.00 1.79 0.66 0.09 63.67 Average: 3 35.52 0.00 1.94 0.66 0.09 61.79