---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-443912 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: 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 12G 66G 16% / 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 640 8813 4 6535 15006 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:0f:67:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84605sec preferred_lft 84605sec inet6 fe80::f816:3eff:fe0f:674a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:ce:e5:d5:ac:94 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-443912) 03/11/26 _x86_64_ (4 CPU) 15:20:34 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 27.84 0.02 25.06 2.76 0.23 2330.13 5824.23 15:50:06 35.45 0.12 19.71 15.63 11.87 9228.95 238381.61 Average: 31.66 0.07 22.38 9.22 6.07 5792.71 122546.89 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 9019124 12870976 3085352 18.84 151868 3798300 3144728 18.05 772276 6172328 134776 15:50:06 9070996 15403492 545064 3.33 181176 6168528 1066652 6.12 1663216 5127688 28768 Average: 9045060 14137234 1815208 11.09 166522 4983414 2105690 12.09 1217746 5650008 81772 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1215.85 1215.85 1158.09 1158.09 0.00 0.00 0.00 0.00 15:40:01 ens3 24.51 22.03 42.12 6.53 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:06 lo 641.54 641.54 7172.42 7172.42 0.00 0.00 0.00 0.00 15:50:06 ens3 37.87 30.58 105.43 33.26 0.00 0.00 0.00 0.00 15:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 927.60 927.60 4176.73 4176.73 0.00 0.00 0.00 0.00 Average: ens3 31.21 26.33 73.90 19.95 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-443912) 03/11/26 _x86_64_ (4 CPU) 15:20:34 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 67.42 0.00 2.36 0.22 0.11 29.88 15:40:01 0 68.48 0.00 2.36 0.21 0.11 28.85 15:40:01 1 68.57 0.00 2.32 0.18 0.11 28.81 15:40:01 2 67.45 0.00 2.47 0.32 0.12 29.64 15:40:01 3 65.19 0.00 2.30 0.16 0.12 32.24 15:50:06 all 43.53 0.00 1.66 0.37 0.09 54.35 15:50:06 0 45.78 0.00 1.80 0.58 0.09 51.75 15:50:06 1 46.45 0.00 1.91 0.43 0.09 51.12 15:50:06 2 41.24 0.00 1.28 0.31 0.08 57.09 15:50:06 3 40.62 0.00 1.66 0.18 0.08 57.46 Average: all 55.42 0.00 2.01 0.30 0.10 42.18 Average: 0 57.08 0.00 2.08 0.39 0.10 40.36 Average: 1 57.45 0.00 2.11 0.31 0.10 40.03 Average: 2 54.28 0.00 1.87 0.32 0.10 43.43 Average: 3 52.85 0.00 1.98 0.17 0.10 44.91