---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7013 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 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 652 10620 4 4716 14994 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:fc:85:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84599sec preferred_lft 84599sec inet6 fe80::f816:3eff:fefc:850b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:aa:ae:cb:e8:c2 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-7013) 04/23/26 _x86_64_ (4 CPU) 08:49:02 LINUX RESTART (4 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:01 21.16 2.88 17.32 0.96 165.73 3926.93 1826.69 09:10:01 17.75 0.79 15.24 1.72 28.20 3282.49 3887.42 Average: 19.46 1.83 16.28 1.34 96.99 3604.81 2856.73 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:01 11200740 14252356 1710216 10.45 120616 3080104 2157056 12.38 510928 4313412 29296 09:10:01 9181656 13269636 2684304 16.39 161976 3987448 2932792 16.83 755308 5990404 113152 Average: 10191198 13760996 2197260 13.42 141296 3533776 2544924 14.61 633118 5151908 71224 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:01 lo 0.75 0.75 0.09 0.09 0.00 0.00 0.00 0.00 09:00:01 ens3 90.15 73.91 833.12 14.62 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 506.73 506.73 481.92 481.92 0.00 0.00 0.00 0.00 09:10:01 ens3 81.88 63.34 327.71 19.78 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 253.66 253.66 240.93 240.93 0.00 0.00 0.00 0.00 Average: ens3 86.02 68.63 580.49 17.20 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-7013) 04/23/26 _x86_64_ (4 CPU) 08:49:02 LINUX RESTART (4 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:01 all 32.47 0.00 1.17 0.77 0.06 65.53 09:00:01 0 30.63 0.00 1.05 0.09 0.06 68.17 09:00:01 1 33.88 0.00 1.33 2.82 0.06 61.91 09:00:01 2 32.12 0.00 1.17 0.12 0.06 66.54 09:00:01 3 33.23 0.00 1.13 0.06 0.06 65.52 09:10:01 all 69.76 0.00 2.42 0.04 0.10 27.68 09:10:01 0 68.10 0.00 2.51 0.04 0.10 29.25 09:10:01 1 70.82 0.00 2.17 0.05 0.10 26.86 09:10:01 2 68.57 0.00 2.43 0.04 0.10 28.86 09:10:01 3 71.54 0.00 2.58 0.02 0.10 25.76 Average: all 51.10 0.00 1.79 0.41 0.08 46.62 Average: 0 49.35 0.00 1.78 0.07 0.08 48.73 Average: 1 52.34 0.00 1.75 1.44 0.08 44.40 Average: 2 50.34 0.00 1.80 0.08 0.08 47.71 Average: 3 52.38 0.00 1.85 0.04 0.08 45.65