---> uname -a: Linux prd-centos8-docker-4c-4g-2714.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 816 11889 19 3057 14600 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:11:1e:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.127/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85981sec preferred_lft 85981sec inet6 fe80::f816:3eff:fe11:1e47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:64:4c:b8:ad 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::42:64ff:fe4c:b8ad/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) 19:58:32 LINUX RESTART (4 CPU) 07:59:01 PM tps rtps wtps bread/s bwrtn/s 08:00:01 PM 130.32 14.83 115.49 3008.73 8779.57 08:01:02 PM 174.46 7.38 167.08 1046.02 10020.96 08:02:01 PM 70.69 0.12 70.57 2.84 8267.34 08:03:01 PM 9.10 0.00 9.10 0.00 411.95 08:04:01 PM 80.86 3.45 77.41 581.01 15270.64 08:05:01 PM 26.14 0.08 26.06 10.40 3913.80 Average: 81.97 4.32 77.65 776.95 7776.52 07:59:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:01 PM 13031644 14976692 3109888 19.27 2688 2154544 1428132 8.31 157132 2572724 145204 08:01:02 PM 11920312 14046180 4221220 26.15 2688 2329924 1939340 11.28 234348 3575404 42648 08:02:01 PM 10539204 12853776 5602328 34.71 2688 2515764 2874480 16.72 262348 4916384 2472 08:03:01 PM 9703424 12024340 6438108 39.89 2688 2521844 3804184 22.13 264020 5748256 2036 08:04:01 PM 6715884 9551172 9425648 58.39 2688 3025076 12881204 74.93 382764 8533172 42276 08:05:01 PM 12141408 14907120 4000124 24.78 2688 2955744 1239744 7.21 580920 2960276 7556 Average: 10675313 13059880 5466219 33.86 2688 2583816 4027847 23.43 313589 4717703 40365 07:59:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 PM eth0 87.90 61.71 1292.54 11.92 0.00 0.00 0.00 0.00 08:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:02 PM eth0 192.67 175.76 2103.49 28.15 0.00 0.00 0.00 0.00 08:01:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 PM eth0 200.88 155.20 2889.69 36.28 0.00 0.00 0.00 0.00 08:02:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 PM eth0 18.21 18.70 3.63 22.47 0.00 0.00 0.00 0.00 08:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 PM lo 13.45 13.45 27.04 27.04 0.00 0.00 0.00 0.00 08:04:01 PM eth0 235.25 136.74 2830.28 15.56 0.00 0.00 0.00 0.00 08:04:01 PM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 08:04:01 PM veth652f0b5 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 08:04:01 PM br-174c10612216 5.25 5.16 25.58 0.89 0.00 0.00 0.00 0.00 08:04:01 PM vethc005ca8 5.30 5.20 25.64 0.87 0.00 0.00 0.00 0.00 08:04:01 PM vethd602ab3 10.20 10.50 26.50 26.53 0.00 0.00 0.00 0.00 08:05:01 PM lo 2.97 2.97 0.23 0.23 0.00 0.00 0.00 0.00 08:05:01 PM eth0 11.85 9.36 7.81 5.23 0.00 0.00 0.00 0.00 08:05:01 PM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.74 2.74 4.56 4.56 0.00 0.00 0.00 0.00 Average: eth0 124.27 92.76 1517.69 19.89 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) 19:58:32 LINUX RESTART (4 CPU) 07:59:01 PM CPU %user %nice %system %iowait %steal %idle 08:00:01 PM all 19.79 0.00 1.90 0.67 0.07 77.57 08:00:01 PM 0 15.32 0.00 1.50 0.45 0.07 82.66 08:00:01 PM 1 18.43 0.00 1.60 0.67 0.05 79.25 08:00:01 PM 2 27.03 0.00 2.69 0.45 0.08 69.75 08:00:01 PM 3 18.37 0.00 1.80 1.12 0.07 78.64 08:01:02 PM all 42.39 0.00 2.47 0.97 0.09 54.08 08:01:02 PM 0 44.07 0.00 2.42 0.58 0.08 52.84 08:01:02 PM 1 46.31 0.00 2.49 1.05 0.10 50.05 08:01:02 PM 2 37.83 0.00 2.39 0.95 0.08 58.74 08:01:02 PM 3 41.32 0.00 2.57 1.30 0.10 54.70 08:02:01 PM all 48.16 0.00 1.45 0.36 0.09 49.94 08:02:01 PM 0 49.73 0.00 1.54 0.25 0.10 48.37 08:02:01 PM 1 46.01 0.00 1.12 0.61 0.08 52.18 08:02:01 PM 2 49.36 0.00 1.17 0.12 0.08 49.26 08:02:01 PM 3 47.56 0.00 1.97 0.44 0.08 49.95 08:03:01 PM all 19.99 0.00 0.46 0.03 0.07 79.46 08:03:01 PM 0 16.75 0.00 0.43 0.02 0.07 82.73 08:03:01 PM 1 28.30 0.00 0.85 0.03 0.08 70.73 08:03:01 PM 2 18.44 0.00 0.25 0.02 0.07 81.23 08:03:01 PM 3 16.46 0.00 0.30 0.03 0.05 83.15 08:04:01 PM all 45.59 0.00 3.10 0.64 0.09 50.57 08:04:01 PM 0 53.86 0.00 2.95 0.91 0.10 42.19 08:04:01 PM 1 48.91 0.00 2.94 0.40 0.10 47.65 08:04:01 PM 2 38.22 0.00 3.81 0.37 0.08 57.52 08:04:01 PM 3 41.38 0.00 2.71 0.89 0.08 54.94 08:05:01 PM all 19.11 0.00 1.35 0.14 0.09 79.31 08:05:01 PM 0 19.48 0.00 1.49 0.03 0.08 78.91 08:05:01 PM 1 20.38 0.00 1.15 0.13 0.10 78.23 08:05:01 PM 2 13.42 0.00 1.76 0.30 0.08 84.44 08:05:01 PM 3 23.16 0.00 1.00 0.08 0.08 75.68 Average: all 32.45 0.00 1.79 0.47 0.08 65.21 Average: 0 33.14 0.00 1.72 0.37 0.08 64.68 Average: 1 34.68 0.00 1.69 0.48 0.09 63.06 Average: 2 30.66 0.00 2.01 0.37 0.08 66.87 Average: 3 31.32 0.00 1.72 0.65 0.08 66.24