---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54298 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 11G 68G 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 666 10546 4 4776 14980 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:0c:cf:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84530sec preferred_lft 84530sec inet6 fe80::f816:3eff:fe0c:cfdf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:ef:3e:db:2b:ec 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-54298) 03/30/26 _x86_64_ (4 CPU) 18:05:07 LINUX RESTART (4 CPU) 18:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:01 11.52 0.52 9.91 1.09 20.29 2491.89 299.82 18:30:08 27.20 0.70 22.37 4.13 23.25 3599.43 3288.04 Average: 19.45 0.61 16.21 2.62 21.79 3052.13 1811.39 18:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:01 9971488 13585148 2371460 14.48 151820 3550776 2667720 15.31 658884 5319892 20072 18:30:08 10853288 15383340 567548 3.47 176304 4385516 1090836 6.26 903932 4114624 4 Average: 10412388 14484244 1469504 8.98 164062 3968146 1879278 10.79 781408 4717258 10038 18:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:01 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 18:20:01 ens3 68.54 54.45 102.56 18.25 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:08 lo 1691.89 1691.89 1607.88 1607.88 0.00 0.00 0.00 0.00 18:30:08 ens3 83.54 72.49 394.52 93.11 0.00 0.00 0.00 0.00 18:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 856.55 856.55 813.41 813.41 0.00 0.00 0.00 0.00 Average: ens3 76.13 63.58 250.25 56.12 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-54298) 03/30/26 _x86_64_ (4 CPU) 18:05:07 LINUX RESTART (4 CPU) 18:10:08 CPU %user %nice %system %iowait %steal %idle 18:20:01 all 72.64 0.00 2.32 0.03 0.09 24.93 18:20:01 0 72.73 0.00 2.34 0.03 0.09 24.81 18:20:01 1 73.15 0.00 2.31 0.04 0.09 24.40 18:20:01 2 72.78 0.00 2.28 0.02 0.09 24.84 18:20:01 3 71.88 0.00 2.35 0.03 0.09 25.65 18:30:08 all 38.30 0.00 1.89 0.06 0.06 59.69 18:30:08 0 37.27 0.00 1.94 0.04 0.06 60.70 18:30:08 1 38.17 0.00 1.93 0.13 0.06 59.70 18:30:08 2 40.98 0.00 1.98 0.04 0.06 56.93 18:30:08 3 36.76 0.00 1.70 0.05 0.06 61.43 Average: all 55.26 0.00 2.10 0.05 0.08 42.52 Average: 0 54.78 0.00 2.13 0.03 0.07 42.98 Average: 1 55.46 0.00 2.12 0.09 0.08 42.25 Average: 2 56.68 0.00 2.13 0.03 0.08 41.08 Average: 3 54.11 0.00 2.02 0.04 0.08 43.76