---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-450591 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 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 625 8872 4 6491 15020 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:c3:bd:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84599sec preferred_lft 84599sec inet6 fe80::f816:3eff:fec3:bdd6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:a7:f4:92:95:aa 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-450591) 03/12/26 _x86_64_ (4 CPU) 08:54:59 LINUX RESTART (4 CPU) 09:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:00 21.27 0.10 18.76 2.41 7.79 2057.14 9871.13 09:20:00 28.38 0.03 25.59 2.77 0.36 4401.63 25972.88 Average: 24.82 0.06 22.17 2.59 4.07 3229.40 17922.14 09:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:00 9573604 13165084 2793196 17.06 140544 3567776 2892768 16.60 703064 5712292 12012 09:20:00 6108156 10760740 5192928 31.72 162384 4561408 5139852 29.50 1007568 8790068 22640 Average: 7840880 11962912 3993062 24.39 151464 4064592 4016310 23.05 855316 7251180 17326 09:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:00 lo 1244.42 1244.42 1179.47 1179.47 0.00 0.00 0.00 0.00 09:10:00 ens3 21.62 20.01 22.10 6.91 0.00 0.00 0.00 0.00 09:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:00 lo 1281.85 1281.85 1262.34 1262.34 0.00 0.00 0.00 0.00 09:20:00 ens3 23.70 21.20 23.94 6.84 0.00 0.00 0.00 0.00 09:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1263.13 1263.13 1220.91 1220.91 0.00 0.00 0.00 0.00 Average: ens3 22.66 20.61 23.02 6.88 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-450591) 03/12/26 _x86_64_ (4 CPU) 08:54:59 LINUX RESTART (4 CPU) 09:00:00 CPU %user %nice %system %iowait %steal %idle 09:10:00 all 67.09 0.00 2.17 0.04 0.10 30.59 09:10:00 0 67.59 0.00 2.09 0.04 0.10 30.18 09:10:00 1 65.29 0.00 2.33 0.06 0.10 32.23 09:10:00 2 67.54 0.00 2.06 0.03 0.10 30.27 09:10:00 3 67.96 0.00 2.21 0.05 0.10 29.68 09:20:00 all 56.33 0.00 2.22 0.10 0.09 41.26 09:20:00 0 58.36 0.00 2.53 0.14 0.09 38.88 09:20:00 1 56.02 0.00 2.18 0.10 0.10 41.60 09:20:00 2 54.73 0.00 2.09 0.06 0.09 43.02 09:20:00 3 56.21 0.00 2.08 0.10 0.09 41.53 Average: all 61.71 0.00 2.20 0.07 0.10 35.92 Average: 0 62.97 0.00 2.31 0.09 0.09 34.53 Average: 1 60.65 0.00 2.26 0.08 0.10 36.92 Average: 2 61.14 0.00 2.07 0.05 0.10 36.65 Average: 3 62.09 0.00 2.14 0.07 0.10 35.60