---> uname -a: Linux prd-centos8-docker-4c-4g-391.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 25M 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 1516 11072 27 3173 13891 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:d3:a3:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.64/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85825sec preferred_lft 85825sec inet6 fe80::f816:3eff:fed3:a3cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6e:76:c6:8b 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::42:6eff:fe76:c68b/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) 02/28/2026 _x86_64_ (4 CPU) 00:32:29 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 180.49 15.46 165.03 3065.40 10487.34 12:35:01 AM 126.01 4.72 121.29 909.83 10932.24 12:36:01 AM 3.58 0.00 3.58 0.00 321.50 12:37:01 AM 40.29 1.67 38.63 101.72 382.67 12:38:01 AM 44.24 0.00 44.24 0.00 7589.24 12:39:01 AM 3.55 0.00 3.55 0.00 356.09 12:40:01 AM 85.67 3.52 82.16 652.98 15278.71 12:41:01 AM 36.12 2.73 33.38 93.02 4493.67 12:42:01 AM 31.69 0.45 31.24 63.85 1773.79 Average: 61.30 3.17 58.13 543.05 5735.36 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12823948 14891908 3317584 20.55 2688 2283972 1283620 7.47 185728 2743592 223988 12:35:01 AM 12345180 14518504 3796352 23.52 2688 2386208 1590488 9.25 224528 3164904 8248 12:36:01 AM 12335440 14508764 3806092 23.58 2688 2386208 1590488 9.25 224528 3174364 20 12:37:01 AM 12161312 14385116 3980220 24.66 2688 2434500 1665924 9.69 243392 3320680 42344 12:38:01 AM 10341916 12743612 5799616 35.93 2688 2610788 3156472 18.36 270440 5103588 4064 12:39:01 AM 10014956 12421384 6126576 37.96 2688 2615360 3456016 20.10 270596 5428780 256 12:40:01 AM 6588828 9552872 9552704 59.18 2688 3161816 13085824 76.12 389384 8650992 96140 12:41:01 AM 11863412 14743732 4278120 26.50 2688 3078204 1338528 7.79 438440 3378500 19988 12:42:01 AM 11290468 14177944 4851064 30.05 2688 3084084 1906560 11.09 664508 3722368 23052 Average: 11085051 13549315 5056481 31.33 2688 2671238 3230436 18.79 323505 4298641 46456 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 198.13 143.71 2938.82 27.67 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 114.06 102.23 1098.53 17.19 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 0.25 0.18 0.07 0.22 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 50.74 51.06 600.87 9.26 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM eth0 233.04 152.57 2753.41 55.76 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM eth0 324.81 210.05 97.66 90.38 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM lo 14.23 14.23 26.97 26.97 0.00 0.00 0.00 0.00 12:40:01 AM eth0 206.58 117.39 2829.58 14.46 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:40:01 AM veth44edafc 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 12:40:01 AM br-fdc2784407a6 5.33 5.21 25.58 0.90 0.00 0.00 0.00 0.00 12:40:01 AM veth77e7a19 5.60 5.31 25.65 0.88 0.00 0.00 0.00 0.00 12:40:01 AM vethc2515bb 10.40 10.85 26.51 26.55 0.00 0.00 0.00 0.00 12:41:01 AM lo 2.67 2.67 0.17 0.17 0.00 0.00 0.00 0.00 12:41:01 AM eth0 156.99 121.49 607.69 55.90 0.00 0.00 0.00 0.00 12:41:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:42:01 AM eth0 85.27 39.69 40.29 163.00 0.00 0.00 0.00 0.00 12:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.88 1.88 3.02 3.02 0.00 0.00 0.00 0.00 Average: eth0 152.21 104.27 1218.59 48.21 0.00 0.00 0.00 0.00 Average: docker0 0.02 0.04 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) 02/28/2026 _x86_64_ (4 CPU) 00:32:29 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 23.14 0.00 2.07 1.09 0.10 73.61 12:34:01 AM 0 26.52 0.00 2.17 0.93 0.10 70.28 12:34:01 AM 1 16.63 0.00 1.92 1.69 0.10 79.67 12:34:01 AM 2 33.87 0.00 2.96 0.94 0.12 62.11 12:34:01 AM 3 15.53 0.00 1.22 0.79 0.07 82.40 12:35:01 AM all 24.71 0.00 1.00 0.68 0.07 73.54 12:35:01 AM 0 26.57 0.00 0.75 0.67 0.08 71.93 12:35:01 AM 1 27.67 0.00 0.95 0.67 0.05 70.66 12:35:01 AM 2 20.36 0.00 0.84 0.47 0.07 78.27 12:35:01 AM 3 24.24 0.00 1.47 0.92 0.07 73.31 12:36:01 AM all 0.17 0.00 0.03 0.02 0.05 99.73 12:36:01 AM 0 0.07 0.00 0.05 0.00 0.05 99.83 12:36:01 AM 1 0.00 0.00 0.02 0.00 0.03 99.95 12:36:01 AM 2 0.05 0.00 0.03 0.08 0.07 99.77 12:36:01 AM 3 0.57 0.00 0.02 0.00 0.05 99.37 12:37:01 AM all 16.86 0.00 0.60 0.15 0.05 82.34 12:37:01 AM 0 16.59 0.00 0.60 0.28 0.05 82.47 12:37:01 AM 1 17.31 0.00 0.57 0.18 0.05 81.89 12:37:01 AM 2 17.58 0.00 0.47 0.03 0.07 81.85 12:37:01 AM 3 15.96 0.00 0.77 0.08 0.03 83.16 12:38:01 AM all 54.44 0.00 1.63 0.24 0.09 43.60 12:38:01 AM 0 51.09 0.00 1.69 0.27 0.10 46.86 12:38:01 AM 1 62.95 0.00 1.49 0.03 0.08 35.44 12:38:01 AM 2 54.55 0.00 2.04 0.22 0.08 43.11 12:38:01 AM 3 49.16 0.00 1.32 0.43 0.08 49.00 12:39:01 AM all 14.56 0.00 1.29 0.01 0.06 84.07 12:39:01 AM 0 7.90 0.00 1.39 0.00 0.07 90.65 12:39:01 AM 1 28.01 0.00 1.39 0.00 0.07 70.54 12:39:01 AM 2 15.12 0.00 0.90 0.02 0.05 83.91 12:39:01 AM 3 7.22 0.00 1.49 0.03 0.07 91.20 12:40:01 AM all 45.03 0.00 3.61 0.76 0.09 50.51 12:40:01 AM 0 34.30 0.00 4.62 0.94 0.10 60.04 12:40:01 AM 1 62.74 0.00 3.34 1.02 0.08 32.81 12:40:01 AM 2 38.01 0.00 3.24 0.65 0.10 58.00 12:40:01 AM 3 45.03 0.00 3.26 0.42 0.08 51.20 12:41:01 AM all 26.99 0.00 1.41 0.23 0.09 71.29 12:41:01 AM 0 21.12 0.00 1.15 0.47 0.10 77.16 12:41:01 AM 1 29.53 0.00 1.96 0.25 0.08 68.18 12:41:01 AM 2 32.40 0.00 1.04 0.02 0.07 66.48 12:41:01 AM 3 24.89 0.00 1.49 0.17 0.10 73.36 12:42:01 AM all 25.63 0.00 1.35 0.11 0.07 72.84 12:42:01 AM 0 14.49 0.00 1.62 0.18 0.07 83.64 12:42:01 AM 1 26.82 0.00 1.35 0.10 0.08 71.64 12:42:01 AM 2 39.51 0.00 1.69 0.12 0.07 58.62 12:42:01 AM 3 21.70 0.00 0.73 0.05 0.05 77.46 Average: all 25.71 0.00 1.44 0.36 0.07 72.41 Average: 0 22.06 0.00 1.56 0.42 0.08 75.89 Average: 1 30.16 0.00 1.44 0.44 0.07 67.89 Average: 2 27.93 0.00 1.47 0.28 0.08 70.25 Average: 3 22.68 0.00 1.31 0.32 0.07 75.63