---> uname -a: Linux prd-centos8-docker-4c-4g-2845.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 25M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1472 10601 27 3687 13931 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:6d:f0:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.71/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85950sec preferred_lft 85950sec inet6 fe80::f816:3eff:fe6d:f016/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e1:3e:c2:15 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:e1ff:fe3e:c215/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/23/2026 _x86_64_ (4 CPU) 00:32:28 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 175.85 15.00 160.86 3132.68 10530.19 12:35:01 AM 196.95 7.41 189.54 1041.44 28316.57 12:36:01 AM 28.44 0.00 28.44 0.00 7663.78 12:37:01 AM 4.48 1.65 2.83 48.26 285.59 12:38:01 AM 88.24 1.73 86.50 585.40 18540.54 12:39:01 AM 26.88 2.60 24.28 73.54 1263.63 Average: 86.81 4.73 82.07 813.44 11100.41 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12315944 14880632 3823368 23.69 2688 2778380 1305920 7.60 185472 3242844 705224 12:35:01 AM 10213040 13127744 5926272 36.72 2688 3121208 2939108 17.10 279140 5213908 221492 12:36:01 AM 9304816 12225668 6834496 42.35 2688 3127092 3593116 20.90 290304 6107584 3128 12:37:01 AM 8035388 10964420 8103924 50.21 2688 3134952 4822432 28.06 292916 7370228 2476 12:38:01 AM 7321812 10684636 8817500 54.63 2688 3558328 5907064 34.37 421984 7908476 980 12:39:01 AM 10951232 14354784 5188080 32.15 2688 3598532 2245244 13.06 479496 4235216 23132 Average: 9690372 12706314 6448940 39.96 2688 3219749 3468814 20.18 324885 5679709 159405 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 459.69 232.98 9666.45 33.85 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 365.31 272.09 4747.31 36.49 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 111.78 79.09 44.70 61.52 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 222.35 139.94 69.09 65.43 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 15.93 15.93 27.21 27.21 0.00 0.00 0.00 0.00 12:38:01 AM eth0 184.67 103.48 2826.80 9.87 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 12:38:01 AM veth7b855a7 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-01e9c54c6a0b 5.78 5.71 25.62 0.94 0.00 0.00 0.00 0.00 12:39:01 AM lo 0.85 0.85 0.04 0.04 0.00 0.00 0.00 0.00 12:39:01 AM eth0 205.10 141.23 614.97 58.15 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.80 2.80 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 258.14 161.47 2994.60 44.22 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/23/2026 _x86_64_ (4 CPU) 00:32:28 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 24.18 0.00 2.28 0.92 0.09 72.54 12:34:01 AM 0 30.60 0.00 2.79 0.57 0.10 65.94 12:34:01 AM 1 27.60 0.00 2.99 1.34 0.08 67.98 12:34:01 AM 2 20.48 0.00 1.81 0.95 0.08 76.68 12:34:01 AM 3 18.00 0.00 1.53 0.82 0.08 79.57 12:35:01 AM all 57.24 0.00 2.15 0.89 0.11 39.61 12:35:01 AM 0 53.85 0.00 2.77 1.70 0.12 41.55 12:35:01 AM 1 59.70 0.00 2.45 0.80 0.10 36.94 12:35:01 AM 2 61.07 0.00 1.30 0.23 0.10 37.29 12:35:01 AM 3 54.34 0.00 2.07 0.80 0.12 42.67 12:36:01 AM all 38.82 0.00 1.38 0.21 0.08 59.52 12:36:01 AM 0 42.21 0.00 1.79 0.58 0.07 55.35 12:36:01 AM 1 41.76 0.00 1.12 0.05 0.08 56.99 12:36:01 AM 2 31.73 0.00 1.64 0.20 0.08 66.35 12:36:01 AM 3 39.57 0.00 0.99 0.00 0.07 59.38 12:37:01 AM all 22.62 0.00 1.20 0.03 0.07 76.08 12:37:01 AM 0 13.97 0.00 1.14 0.03 0.08 84.77 12:37:01 AM 1 14.92 0.00 0.97 0.02 0.07 84.03 12:37:01 AM 2 46.47 0.00 1.60 0.05 0.07 51.81 12:37:01 AM 3 15.10 0.00 1.10 0.00 0.07 83.73 12:38:01 AM all 31.21 0.00 3.43 0.56 0.10 64.71 12:38:01 AM 0 29.70 0.00 2.40 0.29 0.10 67.51 12:38:01 AM 1 34.23 0.00 4.96 0.86 0.08 59.87 12:38:01 AM 2 32.54 0.00 3.16 0.66 0.10 63.55 12:38:01 AM 3 28.37 0.00 3.19 0.44 0.10 67.90 12:39:01 AM all 35.38 0.00 1.32 2.49 0.09 60.72 12:39:01 AM 0 24.29 0.00 1.15 0.17 0.10 74.29 12:39:01 AM 1 40.29 0.00 2.00 3.77 0.08 53.85 12:39:01 AM 2 37.07 0.00 1.10 0.00 0.10 61.73 12:39:01 AM 3 39.87 0.00 1.04 6.01 0.07 53.01 Average: all 34.91 0.00 1.96 0.85 0.09 62.19 Average: 0 32.44 0.00 2.01 0.56 0.09 64.90 Average: 1 36.42 0.00 2.41 1.14 0.08 59.94 Average: 2 38.24 0.00 1.77 0.35 0.09 59.56 Average: 3 32.55 0.00 1.65 1.35 0.08 64.37