---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23714 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: 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 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 626 10415 4 4947 15020 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:04:ec:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84888sec preferred_lft 84888sec inet6 fe80::f816:3eff:fe04:ec9a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:51:0e:40:af:a2 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-23714) 06/04/26 _x86_64_ (4 CPU) 17:08:30 LINUX RESTART (4 CPU) 17:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:12 14.80 2.99 11.41 0.39 166.66 3491.35 779.02 17:30:00 10.82 0.53 9.75 0.54 19.21 1888.34 1988.95 Average: 12.85 1.78 10.60 0.47 94.36 2705.32 1372.31 17:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:12 9578712 12622176 3341312 20.41 113776 3089304 3592584 20.62 488696 5952240 540 17:30:00 8913808 12693016 3265884 19.95 132528 3765472 3550392 20.38 698212 6375060 262756 Average: 9246260 12657596 3303598 20.18 123152 3427388 3571488 20.50 593454 6163650 131648 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:12 lo 0.59 0.59 0.15 0.15 0.00 0.00 0.00 0.00 17:20:12 ens3 65.38 52.82 727.58 8.68 0.00 0.00 0.00 0.00 17:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:00 lo 194.07 194.07 184.79 184.79 0.00 0.00 0.00 0.00 17:30:00 ens3 39.37 29.61 460.65 3.96 0.00 0.00 0.00 0.00 17:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 95.46 95.46 90.69 90.69 0.00 0.00 0.00 0.00 Average: ens3 52.63 41.44 596.69 6.37 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-23714) 06/04/26 _x86_64_ (4 CPU) 17:08:30 LINUX RESTART (4 CPU) 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:20:12 all 47.13 0.00 1.00 0.50 0.08 51.29 17:20:12 0 44.81 0.00 0.87 0.89 0.08 53.35 17:20:12 1 47.70 0.00 1.06 0.07 0.08 51.09 17:20:12 2 54.47 0.00 0.99 0.96 0.08 43.50 17:20:12 3 41.53 0.00 1.07 0.08 0.08 57.24 17:30:00 all 49.69 0.00 0.96 0.62 0.08 48.66 17:30:00 0 63.75 0.00 0.92 0.05 0.08 35.20 17:30:00 1 47.37 0.00 1.21 0.32 0.07 51.02 17:30:00 2 41.35 0.00 0.88 1.48 0.08 56.21 17:30:00 3 46.25 0.00 0.83 0.62 0.08 52.22 Average: all 48.39 0.00 0.98 0.56 0.08 50.00 Average: 0 54.11 0.00 0.89 0.48 0.08 44.44 Average: 1 47.54 0.00 1.13 0.19 0.08 51.06 Average: 2 48.04 0.00 0.94 1.22 0.08 49.73 Average: 3 43.84 0.00 0.95 0.34 0.08 54.78