---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26923 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 11G 67G 14% / 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 651 10047 4 5290 14995 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:49:e4:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84781sec preferred_lft 84781sec inet6 fe80::f816:3eff:fe49:e434/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:c8:9e:f1:b3:8e 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26923) 06/12/26 _x86_64_ (4 CPU) 20:07:34 LINUX RESTART (4 CPU) 20:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:09 12.59 1.93 9.98 0.68 493.58 2745.20 26553.95 20:30:01 18.11 0.37 3.97 13.77 11.48 578.64 242091.59 Average: 15.32 1.16 7.01 7.15 255.18 1673.84 133137.43 20:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:09 8530544 11952216 4008720 24.48 119096 3455736 4468272 25.65 661024 6824716 308 20:30:01 9293836 13239424 2718612 16.60 133300 3934808 2880160 16.53 729820 5954032 353072 Average: 8912190 12595820 3363666 20.54 126198 3695272 3674216 21.09 695422 6389374 176690 20:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:09 lo 0.70 0.70 0.38 0.38 0.00 0.00 0.00 0.00 20:20:09 ens3 65.21 45.91 411.87 6.03 0.00 0.00 0.00 0.00 20:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 104.45 104.45 99.11 99.11 0.00 0.00 0.00 0.00 20:30:01 ens3 35.07 24.91 437.79 3.24 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 52.01 52.01 49.20 49.20 0.00 0.00 0.00 0.00 Average: ens3 50.30 35.53 424.69 4.65 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26923) 06/12/26 _x86_64_ (4 CPU) 20:07:34 LINUX RESTART (4 CPU) 20:10:04 CPU %user %nice %system %iowait %steal %idle 20:20:09 all 52.34 0.00 1.05 0.54 0.08 45.98 20:20:09 0 52.94 0.00 1.18 1.10 0.08 44.70 20:20:09 1 46.05 0.00 1.06 0.43 0.08 52.37 20:20:09 2 46.98 0.00 0.94 0.30 0.09 51.70 20:20:09 3 63.39 0.00 1.03 0.33 0.09 35.16 20:30:01 all 50.21 0.00 0.72 0.31 0.09 48.68 20:30:01 0 35.64 0.00 0.68 0.19 0.08 63.41 20:30:01 1 70.75 0.00 0.72 0.04 0.10 28.40 20:30:01 2 42.67 0.00 0.76 0.30 0.08 56.19 20:30:01 3 51.82 0.00 0.72 0.70 0.09 46.67 Average: all 51.29 0.00 0.89 0.42 0.09 47.32 Average: 0 44.37 0.00 0.93 0.65 0.08 53.97 Average: 1 58.28 0.00 0.89 0.24 0.09 40.50 Average: 2 44.85 0.00 0.85 0.30 0.08 53.92 Average: 3 57.67 0.00 0.88 0.52 0.09 40.85