---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6126 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: 5599.94 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 680 10279 4 5029 14966 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:55:d8:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84822sec preferred_lft 84822sec inet6 fe80::f816:3eff:fe55:d8fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:48:4f:02:6d:d5 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-6126) 03/19/26 _x86_64_ (4 CPU) 20:39:26 LINUX RESTART (4 CPU) 20:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:01 47.44 4.34 41.40 1.69 659.01 5486.68 6167.37 21:00:18 44.41 1.04 25.50 17.86 34.28 4629.05 239716.76 Average: 45.89 2.66 33.28 9.95 339.99 5048.73 125429.80 20:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:01 10511688 14023120 1936008 11.82 140564 3493264 2211100 12.69 709068 4758456 38984 21:00:18 10608068 15380152 570216 3.48 177876 4622852 1110932 6.38 1050528 4224352 27528 Average: 10559878 14701636 1253112 7.65 159220 4058058 1661016 9.53 879798 4491404 33256 20:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:01 lo 1.40 1.40 0.16 0.16 0.00 0.00 0.00 0.00 20:50:01 ens3 144.34 110.52 1001.37 24.11 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:18 lo 1700.81 1700.81 1620.94 1620.94 0.00 0.00 0.00 0.00 21:00:18 ens3 93.95 69.96 416.89 23.41 0.00 0.00 0.00 0.00 21:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 869.20 869.20 827.82 827.82 0.00 0.00 0.00 0.00 Average: ens3 118.61 89.81 702.91 23.75 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-6126) 03/19/26 _x86_64_ (4 CPU) 20:39:26 LINUX RESTART (4 CPU) 20:40:10 CPU %user %nice %system %iowait %steal %idle 20:50:01 all 64.53 0.00 2.34 0.39 0.11 32.63 20:50:01 0 63.14 0.00 2.45 0.24 0.11 34.06 20:50:01 1 65.61 0.00 2.51 0.92 0.12 30.85 20:50:01 2 62.82 0.00 2.20 0.16 0.11 34.72 20:50:01 3 66.54 0.00 2.22 0.26 0.11 30.88 21:00:18 all 65.70 0.00 2.68 0.21 0.10 31.31 21:00:18 0 64.99 0.00 2.84 0.15 0.10 31.92 21:00:18 1 69.62 0.00 3.02 0.12 0.10 27.14 21:00:18 2 64.77 0.00 2.54 0.34 0.10 32.24 21:00:18 3 63.41 0.00 2.33 0.21 0.10 33.95 Average: all 65.12 0.00 2.52 0.30 0.11 31.95 Average: 0 64.08 0.00 2.65 0.19 0.11 32.97 Average: 1 67.66 0.00 2.77 0.51 0.11 28.96 Average: 2 63.82 0.00 2.37 0.25 0.11 33.45 Average: 3 64.94 0.00 2.27 0.24 0.10 32.44