---> uname -a: Linux prd-centos8-docker-4c-4g-2719.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 1516 11088 19 3158 13900 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:49:b4:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.230/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85935sec preferred_lft 85935sec inet6 fe80::f816:3eff:fe49:b456/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1f:ba:7e:05 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::42:1fff:feba:7e05/64 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) 20:17:31 LINUX RESTART (4 CPU) 08:18:01 PM tps rtps wtps bread/s bwrtn/s 08:19:01 PM 197.68 19.18 178.51 3283.31 10369.19 08:20:01 PM 156.21 3.40 152.81 782.54 11449.93 08:21:01 PM 30.22 0.00 30.22 0.00 7537.52 08:22:01 PM 8.23 2.70 5.53 161.68 371.71 08:23:01 PM 86.75 0.67 86.09 420.93 16107.18 08:24:01 PM 31.81 2.62 29.19 73.58 1874.26 08:25:01 PM 23.91 0.45 23.46 63.86 1582.85 Average: 76.40 4.14 72.26 683.71 7041.83 08:18:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:19:01 PM 12784444 14851044 3357088 20.80 2688 2273644 1340664 7.80 191152 2776256 232440 08:20:01 PM 10695364 13078168 5446168 33.74 2688 2583504 2891464 16.82 263308 4757552 212524 08:21:01 PM 9465764 11854400 6675768 41.36 2688 2589096 3974252 23.12 271232 5975624 1876 08:22:01 PM 9496452 11897056 6645080 41.17 2688 2600660 3899336 22.68 280988 5931064 332 08:23:01 PM 8172388 11000804 7969144 49.37 2688 3018056 5134736 29.87 411548 7078888 104 08:24:01 PM 11424404 14303736 4717128 29.22 2688 3068456 1747036 10.16 487288 3767568 7492 08:25:01 PM 11379804 14258328 4761728 29.50 2688 3066940 1802452 10.49 663780 3633636 7388 Average: 10488374 13034791 5653158 35.02 2688 2742908 2969991 17.28 367042 4845798 66022 08:18:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 PM eth0 208.95 158.40 3042.15 31.54 0.00 0.00 0.00 0.00 08:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 PM eth0 325.96 248.61 4346.26 33.34 0.00 0.00 0.00 0.00 08:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 PM eth0 151.65 95.22 56.06 65.56 0.00 0.00 0.00 0.00 08:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 PM lo 1.70 1.70 0.26 0.26 0.00 0.00 0.00 0.00 08:22:01 PM eth0 196.02 122.08 54.01 51.88 0.00 0.00 0.00 0.00 08:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 PM lo 14.25 14.25 26.85 26.85 0.00 0.00 0.00 0.00 08:23:01 PM eth0 231.77 120.36 2828.76 10.31 0.00 0.00 0.00 0.00 08:23:01 PM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:23:01 PM vethe49bc13 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:23:01 PM br-8c7e8b975611 5.83 5.63 25.62 0.94 0.00 0.00 0.00 0.00 08:24:01 PM lo 1.08 1.08 0.07 0.07 0.00 0.00 0.00 0.00 08:24:01 PM eth0 325.24 191.95 635.47 215.04 0.00 0.00 0.00 0.00 08:24:01 PM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 PM eth0 15.91 11.83 13.06 5.76 0.00 0.00 0.00 0.00 08:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.43 2.43 3.88 3.88 0.00 0.00 0.00 0.00 Average: eth0 207.93 135.49 1567.94 59.06 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) 20:17:31 LINUX RESTART (4 CPU) 08:18:01 PM CPU %user %nice %system %iowait %steal %idle 08:19:01 PM all 26.46 0.00 2.20 0.90 0.08 70.36 08:19:01 PM 0 30.93 0.00 2.43 0.55 0.08 66.00 08:19:01 PM 1 28.77 0.00 2.86 1.59 0.08 66.70 08:19:01 PM 2 26.13 0.00 1.91 0.95 0.08 70.92 08:19:01 PM 3 20.01 0.00 1.59 0.52 0.07 77.82 08:20:01 PM all 62.63 0.00 2.02 0.66 0.10 34.59 08:20:01 PM 0 69.89 0.00 1.18 0.43 0.10 28.39 08:20:01 PM 1 66.02 0.00 2.54 0.47 0.10 30.87 08:20:01 PM 2 53.77 0.00 2.14 1.07 0.10 42.92 08:20:01 PM 3 60.84 0.00 2.22 0.65 0.10 36.19 08:21:01 PM all 30.90 0.00 1.38 0.20 0.07 67.45 08:21:01 PM 0 25.14 0.00 1.32 0.63 0.08 72.82 08:21:01 PM 1 32.90 0.00 1.75 0.00 0.07 65.28 08:21:01 PM 2 32.84 0.00 1.40 0.08 0.07 65.60 08:21:01 PM 3 32.73 0.00 1.05 0.07 0.07 66.09 08:22:01 PM all 29.53 0.00 1.16 0.05 0.07 69.19 08:22:01 PM 0 47.51 0.00 1.18 0.00 0.07 51.24 08:22:01 PM 1 14.47 0.00 1.44 0.02 0.08 83.99 08:22:01 PM 2 31.19 0.00 1.12 0.08 0.07 67.54 08:22:01 PM 3 24.95 0.00 0.92 0.08 0.05 74.00 08:23:01 PM all 22.89 0.00 3.00 0.83 0.09 73.18 08:23:01 PM 0 21.14 0.00 3.62 1.01 0.08 74.16 08:23:01 PM 1 20.65 0.00 2.27 0.91 0.08 76.08 08:23:01 PM 2 29.90 0.00 3.31 0.72 0.10 65.97 08:23:01 PM 3 19.88 0.00 2.82 0.67 0.10 76.52 08:24:01 PM all 39.61 0.00 1.36 0.12 0.08 58.84 08:24:01 PM 0 28.32 0.00 1.44 0.25 0.08 69.91 08:24:01 PM 1 42.24 0.00 1.44 0.07 0.08 56.17 08:24:01 PM 2 37.26 0.00 1.00 0.10 0.08 61.55 08:24:01 PM 3 50.59 0.00 1.55 0.05 0.07 47.74 08:25:01 PM all 9.46 0.00 0.92 0.12 0.05 89.45 08:25:01 PM 0 5.40 0.00 0.65 0.03 0.05 93.87 08:25:01 PM 1 9.99 0.00 0.95 0.07 0.05 88.94 08:25:01 PM 2 1.64 0.00 0.47 0.10 0.05 97.74 08:25:01 PM 3 20.79 0.00 1.62 0.28 0.05 77.26 Average: all 31.65 0.00 1.72 0.41 0.08 66.15 Average: 0 32.63 0.00 1.69 0.42 0.08 65.19 Average: 1 30.73 0.00 1.89 0.44 0.08 66.86 Average: 2 30.39 0.00 1.62 0.44 0.08 67.46 Average: 3 32.84 0.00 1.68 0.33 0.07 65.08