---> uname -a: Linux prd-centos8-docker-4c-4g-2453.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1416 11188 19 3158 13999 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:b3:38:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.215/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85916sec preferred_lft 85916sec inet6 fe80::f816:3eff:feb3:38cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:18:20:c8:44 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::42:18ff:fe20:c844/64 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) 01/24/2026 _x86_64_ (4 CPU) 00:32:59 LINUX RESTART (4 CPU) 12:34:01 AM tps rtps wtps bread/s bwrtn/s 12:35:01 AM 240.96 19.78 221.18 3860.96 12504.28 12:36:01 AM 95.08 1.73 93.35 113.43 8217.84 12:37:01 AM 24.09 0.05 24.04 1.07 6353.65 12:38:01 AM 12.71 2.88 9.83 252.18 359.00 12:39:01 AM 84.47 0.75 83.72 527.69 18440.24 12:40:01 AM 32.61 2.67 29.94 83.31 2237.24 12:41:01 AM 30.82 0.38 30.44 54.12 1334.74 Average: 74.39 4.03 70.35 698.89 7063.73 12:34:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:35:01 AM 12141488 14292132 4000044 24.78 2688 2355172 1842436 10.72 215268 3375732 177424 12:36:01 AM 10210284 12594516 5931248 36.75 2688 2584772 3551184 20.66 269940 5231452 179704 12:37:01 AM 9902460 12291436 6239072 38.65 2688 2589412 3693436 21.49 270212 5539436 1792 12:38:01 AM 8704984 11118272 7436548 46.07 2688 2612804 5200612 30.25 282616 6716664 1476 12:39:01 AM 7849496 10684240 8292036 51.37 2688 3024356 5605432 32.61 411244 7401468 984 12:40:01 AM 11530936 14401680 4610596 28.56 2688 3060024 1657960 9.64 656084 3491152 160 12:41:01 AM 11401964 14280156 4739568 29.36 2688 3066796 1741688 10.13 665196 3610228 8340 Average: 10248802 12808919 5892730 36.51 2688 2756191 3327535 19.36 395794 5052305 52840 12:34:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 261.79 211.25 3120.53 37.48 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 246.08 179.47 3409.13 29.69 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 220.31 141.55 73.13 80.43 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 3.55 3.55 0.48 0.48 0.00 0.00 0.00 0.00 12:38:01 AM eth0 138.22 87.47 49.20 45.59 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 13.06 13.06 27.11 27.11 0.00 0.00 0.00 0.00 12:39:01 AM eth0 219.06 131.76 2828.54 10.53 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 12:39:01 AM vethf2a4f6e 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 12:39:01 AM br-9f0c934e93d2 5.80 5.65 25.62 0.94 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.77 0.77 0.05 0.05 0.00 0.00 0.00 0.00 12:40:01 AM eth0 301.47 183.01 636.47 215.57 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 AM eth0 22.28 18.89 18.43 8.50 0.00 0.00 0.00 0.00 12:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.48 2.48 3.95 3.95 0.00 0.00 0.00 0.00 Average: eth0 201.31 136.20 1447.88 61.11 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) 01/24/2026 _x86_64_ (4 CPU) 00:32:59 LINUX RESTART (4 CPU) 12:34:01 AM CPU %user %nice %system %iowait %steal %idle 12:35:01 AM all 35.60 0.00 2.44 1.35 0.10 60.52 12:35:01 AM 0 31.65 0.00 2.13 1.05 0.10 65.07 12:35:01 AM 1 32.62 0.00 1.79 0.99 0.12 64.49 12:35:01 AM 2 38.59 0.00 2.95 1.64 0.10 56.73 12:35:01 AM 3 39.55 0.00 2.88 1.71 0.08 55.78 12:36:01 AM all 60.13 0.00 1.83 0.68 0.11 37.24 12:36:01 AM 0 62.97 0.00 1.81 0.74 0.12 34.37 12:36:01 AM 1 61.72 0.00 2.88 0.50 0.10 34.79 12:36:01 AM 2 55.07 0.00 1.51 0.77 0.12 42.53 12:36:01 AM 3 60.74 0.00 1.12 0.72 0.12 37.30 12:37:01 AM all 24.45 0.00 1.35 2.19 0.12 71.89 12:37:01 AM 0 17.29 0.00 1.67 7.17 0.10 73.77 12:37:01 AM 1 31.83 0.00 1.24 0.10 0.12 66.72 12:37:01 AM 2 25.39 0.00 1.34 0.69 0.08 72.50 12:37:01 AM 3 23.27 0.00 1.17 0.82 0.17 74.57 12:38:01 AM all 35.61 0.00 1.23 0.13 0.09 62.94 12:38:01 AM 0 28.42 0.00 0.80 0.02 0.08 70.68 12:38:01 AM 1 25.95 0.00 1.46 0.20 0.10 72.29 12:38:01 AM 2 27.55 0.00 0.95 0.02 0.08 71.39 12:38:01 AM 3 60.72 0.00 1.70 0.30 0.08 37.19 12:39:01 AM all 18.74 0.00 3.29 2.02 0.09 75.85 12:39:01 AM 0 14.82 0.00 2.81 2.17 0.08 80.11 12:39:01 AM 1 17.61 0.00 3.66 2.05 0.08 76.60 12:39:01 AM 2 24.98 0.00 3.11 1.14 0.08 70.69 12:39:01 AM 3 17.55 0.00 3.59 2.74 0.10 76.02 12:40:01 AM all 41.07 0.00 1.47 0.20 0.08 57.17 12:40:01 AM 0 45.17 0.00 1.47 0.02 0.10 53.25 12:40:01 AM 1 23.83 0.00 1.91 0.45 0.10 73.71 12:40:01 AM 2 50.66 0.00 1.54 0.25 0.07 47.49 12:40:01 AM 3 44.58 0.00 0.97 0.10 0.07 54.28 12:41:01 AM all 14.15 0.00 1.06 2.15 0.09 82.55 12:41:01 AM 0 15.50 0.00 1.37 2.55 0.07 80.52 12:41:01 AM 1 12.61 0.00 0.94 1.64 0.10 84.72 12:41:01 AM 2 15.92 0.00 1.40 1.62 0.10 80.96 12:41:01 AM 3 12.56 0.00 0.54 2.78 0.10 84.03 Average: all 32.82 0.00 1.81 1.25 0.10 64.03 Average: 0 30.84 0.00 1.72 1.96 0.09 65.39 Average: 1 29.45 0.00 1.98 0.85 0.10 67.62 Average: 2 34.02 0.00 1.83 0.87 0.09 63.19 Average: 3 36.97 0.00 1.71 1.31 0.10 59.91