---> uname -a: Linux prd-centos8-docker-4c-4g-18808.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 825 11617 19 3320 14589 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:ce:03:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.146/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85918sec preferred_lft 85918sec inet6 fe80::f816:3eff:fece:345/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:03:db:e1:4f 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::42:3ff:fedb:e14f/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) 02/21/2026 _x86_64_ (4 CPU) 08:03:16 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 229.45 19.61 209.83 3858.82 12363.49 08:06:01 AM 116.73 1.83 114.90 115.98 7825.08 08:07:01 AM 16.26 0.00 16.26 0.00 6152.61 08:08:01 AM 15.45 2.90 12.55 255.02 312.90 08:09:01 AM 81.37 0.70 80.67 506.50 15968.38 08:10:01 AM 19.48 1.22 18.26 1590.67 6993.85 08:11:01 AM 99.95 0.45 99.50 63.82 3159.56 Average: 82.67 3.82 78.85 912.92 7539.28 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 12119356 14196676 4022176 24.92 2688 2283088 1977040 11.50 208940 3409624 144428 08:06:01 AM 10874544 13185604 5266988 32.63 2688 2512816 3007392 17.49 262580 4584180 177304 08:07:01 AM 10521540 12836432 5619992 34.82 2688 2516556 3039384 17.68 262612 4934700 224 08:08:01 AM 9227092 11567592 6914440 42.84 2688 2541372 4301216 25.02 274340 6208812 3744 08:09:01 AM 8644300 11405844 7497232 46.45 2688 2952404 4677756 27.21 404916 6618792 96 08:10:01 AM 10819784 13847744 5321748 32.97 2688 3216660 2179040 12.68 457112 4399064 21180 08:11:01 AM 11835964 14878784 4305568 26.67 2688 3229448 1244224 7.24 656312 3181092 23160 Average: 10577511 13131239 5564021 34.47 2688 2750335 2918007 16.97 360973 4762323 52877 08:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 222.46 182.35 2628.96 37.00 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 261.82 185.87 3422.16 35.56 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 183.09 105.98 65.19 67.78 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 4.07 4.07 0.52 0.52 0.00 0.00 0.00 0.00 08:08:01 AM eth0 131.61 85.04 53.46 56.97 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 12.80 12.80 26.75 26.75 0.00 0.00 0.00 0.00 08:09:01 AM eth0 240.50 113.95 2829.92 9.49 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:09:01 AM vethbbdfd9b 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 08:09:01 AM br-da25f47e0182 5.51 5.40 25.60 0.92 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.77 0.77 0.05 0.05 0.00 0.00 0.00 0.00 08:10:01 AM eth0 196.65 112.21 3138.03 11.57 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 56.55 41.11 14.85 125.42 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.52 2.52 3.90 3.90 0.00 0.00 0.00 0.00 Average: eth0 184.66 118.07 1736.02 49.12 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) 02/21/2026 _x86_64_ (4 CPU) 08:03:16 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 34.33 0.00 2.46 1.51 0.12 61.59 08:05:01 AM 0 32.73 0.00 1.40 0.55 0.12 65.20 08:05:01 AM 1 32.26 0.00 2.72 1.09 0.13 63.79 08:05:01 AM 2 38.91 0.00 2.06 1.50 0.10 57.43 08:05:01 AM 3 33.41 0.00 3.65 2.90 0.12 59.93 08:06:01 AM all 54.59 0.00 1.67 2.95 0.10 40.69 08:06:01 AM 0 52.05 0.00 2.02 2.12 0.10 43.71 08:06:01 AM 1 51.79 0.00 1.64 4.72 0.10 41.76 08:06:01 AM 2 63.77 0.00 1.19 0.23 0.08 34.72 08:06:01 AM 3 50.75 0.00 1.82 4.74 0.10 42.58 08:07:01 AM all 17.45 0.00 1.21 0.33 0.09 80.92 08:07:01 AM 0 22.41 0.00 0.72 1.22 0.10 75.55 08:07:01 AM 1 12.06 0.00 1.64 0.10 0.07 86.13 08:07:01 AM 2 15.38 0.00 1.15 0.00 0.10 83.36 08:07:01 AM 3 19.93 0.00 1.34 0.02 0.08 78.63 08:08:01 AM all 41.20 0.00 1.44 0.05 0.09 57.22 08:08:01 AM 0 31.55 0.00 1.07 0.00 0.08 67.30 08:08:01 AM 1 32.90 0.00 1.77 0.02 0.10 65.21 08:08:01 AM 2 70.32 0.00 1.85 0.13 0.10 27.59 08:08:01 AM 3 29.99 0.00 1.07 0.07 0.07 68.81 08:09:01 AM all 18.21 0.00 2.79 0.83 0.10 78.06 08:09:01 AM 0 17.82 0.00 3.31 0.65 0.10 78.11 08:09:01 AM 1 18.84 0.00 2.72 1.55 0.10 76.79 08:09:01 AM 2 18.49 0.00 2.27 0.64 0.08 78.53 08:09:01 AM 3 17.70 0.00 2.87 0.50 0.10 78.83 08:10:01 AM all 60.07 0.00 1.50 0.17 0.11 38.16 08:10:01 AM 0 45.16 0.00 2.07 0.60 0.10 52.06 08:10:01 AM 1 60.19 0.00 2.26 0.02 0.12 37.42 08:10:01 AM 2 67.61 0.00 0.82 0.02 0.12 31.44 08:10:01 AM 3 67.27 0.00 0.85 0.03 0.10 31.74 08:11:01 AM all 52.06 0.00 1.77 0.41 0.10 45.67 08:11:01 AM 0 34.05 0.00 1.57 0.17 0.10 64.11 08:11:01 AM 1 53.34 0.00 2.02 1.30 0.10 43.23 08:11:01 AM 2 60.07 0.00 1.22 0.08 0.10 38.53 08:11:01 AM 3 60.81 0.00 2.26 0.07 0.12 36.74 Average: all 39.71 0.00 1.83 0.89 0.10 57.46 Average: 0 33.69 0.00 1.74 0.76 0.10 63.72 Average: 1 37.35 0.00 2.11 1.25 0.10 59.18 Average: 2 47.82 0.00 1.51 0.37 0.10 50.21 Average: 3 39.99 0.00 1.98 1.19 0.10 56.75