---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-478220 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 16% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 648 8794 4 6546 14998 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:b2:63:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84188sec preferred_lft 84188sec inet6 fe80::f816:3eff:feb2:638f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:15:0b:88:97:4d 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-478220) 03/15/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 25.92 0.43 22.45 3.04 19.20 3104.60 6371.25 05:50:06 32.95 0.02 29.66 3.28 0.25 4500.13 12946.76 06:00:06 13.29 0.16 11.25 1.88 8.97 5675.08 1327.68 Average: 24.07 0.20 21.14 2.73 9.42 4430.77 6901.55 05:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8979208 12765596 3191728 19.49 144428 3755884 3208896 18.42 829648 6167656 38396 05:50:06 7645832 12445912 3506584 21.42 164972 4701940 3403800 19.54 1109528 7169960 2748 06:00:06 9011760 15359572 587376 3.59 183276 6180740 1102936 6.33 1727560 5127692 12540 Average: 8545600 13523693 2428563 14.83 164225 4879521 2571877 14.76 1222245 6155103 17895 05:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1555.70 1555.70 1476.19 1476.19 0.00 0.00 0.00 0.00 05:40:01 ens3 55.96 45.32 57.25 14.37 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:06 lo 1455.13 1455.13 1385.53 1385.53 0.00 0.00 0.00 0.00 05:50:06 ens3 48.78 39.74 40.63 13.33 0.00 0.00 0.00 0.00 05:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:06 lo 244.59 244.59 6838.84 6838.84 0.00 0.00 0.00 0.00 06:00:06 ens3 92.00 99.76 118.16 1004.48 0.00 0.00 0.00 0.00 06:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1084.84 1084.84 3233.24 3233.24 0.00 0.00 0.00 0.00 Average: ens3 65.56 61.59 71.96 344.05 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-478220) 03/15/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:06 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 70.16 0.00 2.42 0.05 0.09 27.29 05:40:01 0 67.67 0.00 2.19 0.05 0.09 29.99 05:40:01 1 70.39 0.00 2.34 0.03 0.09 27.16 05:40:01 2 70.19 0.00 2.35 0.03 0.09 27.34 05:40:01 3 72.39 0.00 2.78 0.08 0.09 24.67 05:50:06 all 61.79 0.00 2.42 0.09 0.08 35.62 05:50:06 0 59.46 0.00 2.18 0.12 0.08 38.16 05:50:06 1 62.11 0.00 2.71 0.03 0.08 35.07 05:50:06 2 64.93 0.00 2.52 0.05 0.08 32.42 05:50:06 3 60.66 0.00 2.29 0.15 0.08 36.82 06:00:06 all 28.35 0.00 1.00 0.12 0.06 70.47 06:00:06 0 26.40 0.00 1.16 0.08 0.07 72.30 06:00:06 1 21.44 0.00 0.79 0.01 0.06 77.69 06:00:06 2 36.91 0.00 1.12 0.12 0.06 61.78 06:00:06 3 28.66 0.00 0.94 0.28 0.06 70.06 Average: all 53.37 0.00 1.95 0.09 0.08 44.51 Average: 0 51.10 0.00 1.84 0.09 0.08 46.89 Average: 1 51.23 0.00 1.94 0.02 0.08 46.72 Average: 2 57.31 0.00 2.00 0.07 0.08 40.54 Average: 3 53.86 0.00 2.00 0.17 0.08 43.90