---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38424 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 670 10487 4 4831 14976 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:43:3a:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84373sec preferred_lft 84373sec inet6 fe80::f816:3eff:fe43:3ae6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:64:18:12:35:2d 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-38424) 07/24/26 _x86_64_ (4 CPU) 15:28:22 LINUX RESTART (4 CPU) 15:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:08 19.33 2.85 15.56 0.91 162.35 5559.72 2964.39 15:50:07 9.46 0.48 8.00 0.98 17.82 1821.70 2908.01 16:00:09 27.36 0.56 22.69 4.11 21.95 3630.27 5105.09 Average: 18.73 1.30 15.43 2.01 67.33 3671.50 3661.92 15:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:08 10928152 14080724 1881084 11.49 121076 3173476 2222344 12.76 512964 4555880 24428 15:50:07 9936116 13608548 2348084 14.34 147884 3614380 2594860 14.89 653124 5367848 15248 16:00:09 10799156 15386096 564240 3.45 172048 4445632 1095852 6.29 896740 4175864 12 Average: 10554475 14358456 1597803 9.76 147003 3744496 1971019 11.31 687609 4699864 13229 15:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:08 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 15:40:08 ens3 83.78 65.94 777.47 13.28 0.00 0.00 0.00 0.00 15:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:07 lo 1.31 1.31 0.13 0.13 0.00 0.00 0.00 0.00 15:50:07 ens3 49.13 40.21 49.86 14.75 0.00 0.00 0.00 0.00 15:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:09 lo 1671.35 1671.35 1582.73 1582.73 0.00 0.00 0.00 0.00 16:00:09 ens3 97.15 82.58 407.56 142.81 0.00 0.00 0.00 0.00 16:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 559.91 559.91 529.65 529.65 0.00 0.00 0.00 0.00 Average: ens3 76.73 62.96 411.82 57.11 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-38424) 07/24/26 _x86_64_ (4 CPU) 15:28:22 LINUX RESTART (4 CPU) 15:30:08 CPU %user %nice %system %iowait %steal %idle 15:40:08 all 34.71 0.00 1.24 0.35 0.09 63.62 15:40:08 0 36.38 0.00 1.29 0.13 0.09 62.11 15:40:08 1 34.38 0.00 1.21 0.94 0.09 63.38 15:40:08 2 34.39 0.00 1.33 0.22 0.08 63.98 15:40:08 3 33.68 0.00 1.12 0.12 0.09 65.01 15:50:07 all 71.33 0.00 2.27 0.14 0.20 26.06 15:50:07 0 71.15 0.00 2.15 0.13 0.20 26.37 15:50:07 1 71.32 0.00 2.37 0.06 0.21 26.04 15:50:07 2 73.43 0.00 2.37 0.07 0.20 23.93 15:50:07 3 69.40 0.00 2.21 0.29 0.20 27.91 16:00:09 all 47.04 0.00 2.34 0.68 0.41 49.53 16:00:09 0 50.32 0.00 2.33 1.26 0.42 45.67 16:00:09 1 47.18 0.00 2.28 0.19 0.40 49.95 16:00:09 2 43.62 0.00 2.49 0.62 0.42 52.85 16:00:09 3 47.03 0.00 2.27 0.64 0.41 49.65 Average: all 50.99 0.00 1.95 0.39 0.23 46.43 Average: 0 52.60 0.00 1.93 0.51 0.24 44.74 Average: 1 50.93 0.00 1.96 0.40 0.23 46.48 Average: 2 50.44 0.00 2.06 0.30 0.23 46.96 Average: 3 50.00 0.00 1.87 0.35 0.23 47.55