---> uname -a: Linux prd-centos8-docker-4c-4g-484.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 847 11587 19 3328 14567 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:16:e0:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.197/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85918sec preferred_lft 85918sec inet6 fe80::f816:3eff:fe16:e083/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:35:b1:75:b7 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::42:35ff:feb1:75b7/64 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) 08:02:27 LINUX RESTART (4 CPU) 08:03:02 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 178.65 20.30 158.35 3499.15 9532.73 08:05:01 AM 169.38 3.17 166.22 766.68 10413.84 08:06:01 AM 30.81 0.05 30.76 1.07 7667.84 08:07:01 AM 13.73 2.88 10.85 226.90 362.46 08:08:01 AM 86.04 0.60 85.44 410.00 18475.84 08:09:01 AM 16.38 1.22 15.16 1590.67 1174.19 08:10:01 AM 133.54 0.07 133.47 9.73 8895.52 Average: 89.58 4.00 85.58 923.05 8071.39 08:03:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12845540 14862596 3295992 20.42 2688 2224920 1285980 7.48 164188 2744768 194884 08:05:01 AM 11548700 13878380 4592832 28.45 2688 2531400 2197580 12.78 255860 3916208 219276 08:06:01 AM 10941424 13274488 5200108 32.22 2688 2534612 2586328 15.05 262732 4514904 72 08:07:01 AM 9813120 12171096 6328412 39.21 2688 2558852 3670100 21.35 274172 5624444 1980 08:08:01 AM 9265088 12034516 6876444 42.60 2688 2960140 4055948 23.59 405048 6000400 120 08:09:01 AM 11132432 14150844 5009100 31.03 2688 3208480 1863208 10.84 457008 4089528 180464 08:10:01 AM 11844212 14888424 4297320 26.62 2688 3230356 1233704 7.18 651336 3176364 18972 Average: 11055788 13608621 5085744 31.51 2688 2749823 2413264 14.04 352906 4295231 87967 08:03:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 169.25 137.94 1985.52 29.64 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 345.43 266.17 4308.97 32.88 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 311.71 186.00 94.44 92.92 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 3.60 3.60 0.48 0.48 0.00 0.00 0.00 0.00 08:07:01 AM eth0 191.40 118.43 53.83 61.23 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 13.15 13.15 26.68 26.68 0.00 0.00 0.00 0.00 08:08:01 AM eth0 179.76 96.32 2827.03 10.28 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth91314ab 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-2cf78e82ea95 5.63 5.41 25.61 0.92 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.88 0.88 0.04 0.04 0.00 0.00 0.00 0.00 08:09:01 AM eth0 184.69 131.41 3139.22 12.53 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 34.09 37.34 9.61 129.54 0.00 0.00 0.00 0.00 08:10:01 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 202.41 139.09 1773.69 52.77 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) 02/28/2026 _x86_64_ (4 CPU) 08:02:27 LINUX RESTART (4 CPU) 08:03:02 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 25.62 0.00 2.20 1.69 0.08 70.40 08:04:01 AM 0 21.92 0.00 1.63 1.27 0.08 75.09 08:04:01 AM 1 13.74 0.00 2.13 3.71 0.09 80.34 08:04:01 AM 2 25.07 0.00 1.97 0.56 0.09 72.31 08:04:01 AM 3 41.74 0.00 3.08 1.22 0.08 53.87 08:05:01 AM all 59.93 0.00 2.02 1.33 0.12 36.60 08:05:01 AM 0 60.07 0.00 1.94 1.36 0.12 36.51 08:05:01 AM 1 59.52 0.00 2.24 0.79 0.12 37.34 08:05:01 AM 2 61.02 0.00 1.71 1.76 0.10 35.42 08:05:01 AM 3 59.12 0.00 2.18 1.42 0.13 37.14 08:06:01 AM all 23.95 0.00 1.38 0.58 0.08 74.01 08:06:01 AM 0 27.90 0.00 1.10 0.00 0.08 70.91 08:06:01 AM 1 28.34 0.00 1.05 0.07 0.07 70.47 08:06:01 AM 2 16.93 0.00 1.76 0.37 0.08 80.86 08:06:01 AM 3 22.62 0.00 1.61 1.89 0.07 73.82 08:07:01 AM all 36.76 0.00 1.54 0.09 0.09 61.53 08:07:01 AM 0 27.44 0.00 1.17 0.00 0.08 71.31 08:07:01 AM 1 27.98 0.00 1.44 0.12 0.08 70.39 08:07:01 AM 2 48.80 0.00 2.12 0.12 0.10 48.86 08:07:01 AM 3 42.82 0.00 1.42 0.12 0.08 55.56 08:08:01 AM all 29.66 0.00 3.36 2.15 0.09 64.74 08:08:01 AM 0 28.64 0.00 2.51 0.72 0.10 68.03 08:08:01 AM 1 28.39 0.00 2.74 4.45 0.08 64.34 08:08:01 AM 2 25.39 0.00 2.84 2.42 0.08 69.27 08:08:01 AM 3 36.20 0.00 5.37 1.02 0.10 57.30 08:09:01 AM all 38.43 0.00 1.11 0.18 0.08 60.19 08:09:01 AM 0 33.45 0.00 1.52 0.67 0.08 64.28 08:09:01 AM 1 39.32 0.00 0.73 0.00 0.08 59.86 08:09:01 AM 2 42.50 0.00 0.72 0.00 0.08 56.70 08:09:01 AM 3 38.44 0.00 1.47 0.07 0.08 59.93 08:10:01 AM all 62.16 0.00 1.65 0.68 0.10 35.41 08:10:01 AM 0 31.30 0.00 1.77 1.59 0.10 65.25 08:10:01 AM 1 75.36 0.00 0.70 0.05 0.12 23.77 08:10:01 AM 2 72.43 0.00 0.55 0.00 0.10 26.91 08:10:01 AM 3 69.54 0.00 3.56 1.10 0.10 25.69 Average: all 39.54 0.00 1.89 0.96 0.09 57.52 Average: 0 32.98 0.00 1.66 0.80 0.09 64.47 Average: 1 39.02 0.00 1.57 1.30 0.09 58.01 Average: 2 41.79 0.00 1.66 0.74 0.09 55.71 Average: 3 44.36 0.00 2.67 0.98 0.09 51.90