---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53242 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 12G 67G 15% / 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 733 9531 4 5723 14912 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:63:03:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83827sec preferred_lft 83827sec inet6 fe80::f816:3eff:fe63:367/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:00:e3:e7:41:8b 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-53242) 03/26/26 _x86_64_ (4 CPU) 20:24:28 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 15.98 2.31 12.62 1.05 136.27 3622.15 7302.13 20:50:00 56.88 0.32 45.95 10.61 9.80 4414.12 8908.32 21:00:00 36.29 0.30 29.14 6.85 11.73 5074.99 7817.03 Average: 36.38 0.98 29.23 6.17 52.60 4370.42 8009.16 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 10005328 13481060 2476856 15.13 162580 3416172 2830228 16.25 618360 5338644 82100 20:50:00 8869308 13252964 2697228 16.47 206064 4207436 3134236 17.99 817912 6187476 86732 21:00:00 9909244 15403548 542412 3.31 242280 5219808 1110712 6.38 1205008 4706448 156 Average: 9594627 14045857 1905499 11.64 203641 4281139 2358392 13.54 880427 5410856 56329 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 20:40:00 ens3 91.92 75.22 522.18 20.53 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5370.50 5370.50 5121.03 5121.03 0.00 0.00 0.00 0.00 20:50:00 ens3 94.31 67.46 323.51 22.18 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 3008.87 3008.87 2864.82 2864.82 0.00 0.00 0.00 0.00 21:00:00 ens3 87.73 70.36 105.40 67.16 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2793.55 2793.55 2661.99 2661.99 0.00 0.00 0.00 0.00 Average: ens3 91.32 71.01 317.03 36.63 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-53242) 03/26/26 _x86_64_ (4 CPU) 20:24:28 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 64.17 0.00 2.24 0.06 0.10 33.43 20:40:00 0 64.11 0.00 2.04 0.05 0.10 33.70 20:40:00 1 64.85 0.00 1.93 0.03 0.10 33.09 20:40:00 2 65.36 0.00 2.87 0.11 0.10 31.56 20:40:00 3 62.36 0.00 2.14 0.06 0.10 35.34 20:50:00 all 62.29 0.00 4.05 0.14 0.10 33.42 20:50:00 0 60.53 0.00 3.74 0.18 0.10 35.46 20:50:00 1 62.00 0.00 3.97 0.10 0.10 33.83 20:50:00 2 63.94 0.00 4.63 0.18 0.10 31.15 20:50:00 3 62.69 0.00 3.86 0.11 0.10 33.25 21:00:00 all 52.02 0.00 3.05 0.15 0.09 44.69 21:00:00 0 52.49 0.00 3.03 0.10 0.08 44.30 21:00:00 1 51.33 0.00 3.05 0.21 0.09 45.33 21:00:00 2 53.09 0.00 2.89 0.20 0.09 43.74 21:00:00 3 51.17 0.00 3.22 0.12 0.09 45.40 Average: all 59.49 0.00 3.11 0.12 0.10 37.18 Average: 0 59.04 0.00 2.93 0.11 0.09 37.82 Average: 1 59.40 0.00 2.98 0.11 0.09 37.41 Average: 2 60.79 0.00 3.46 0.16 0.10 35.49 Average: 3 58.74 0.00 3.07 0.10 0.09 38.00