---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-456284 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 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 638 9953 4 5397 15008 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:81:2c:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84681sec preferred_lft 84681sec inet6 fe80::f816:3eff:fe81:2c3a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:83:cf:1b:3e:a4 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-456284) 03/13/26 _x86_64_ (4 CPU) 00:04:12 LINUX RESTART (4 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:16 42.51 0.03 36.01 6.47 0.64 1567.29 137119.04 00:30:16 30.96 0.18 26.56 4.22 5.77 5339.32 27719.12 Average: 36.81 0.10 31.35 5.36 3.17 3429.13 83120.16 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:16 9474760 13004780 2954560 18.05 152776 3509112 3231908 18.55 798376 5709576 368 00:30:16 7069100 12228992 3721572 22.73 179124 5033380 3753724 21.55 1357676 7480652 217496 Average: 8271930 12616886 3338066 20.39 165950 4271246 3492816 20.05 1078026 6595114 108932 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:16 lo 41.28 41.28 10.01 10.01 0.00 0.00 0.00 0.00 00:20:16 ens3 12.48 10.03 13.22 2.92 0.00 0.00 0.00 0.00 00:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:16 lo 1943.09 1943.09 1841.75 1841.75 0.00 0.00 0.00 0.00 00:30:16 ens3 50.70 41.75 470.70 8.29 0.00 0.00 0.00 0.00 00:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 980.00 980.00 914.14 914.14 0.00 0.00 0.00 0.00 Average: ens3 31.34 25.69 239.03 5.57 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-456284) 03/13/26 _x86_64_ (4 CPU) 00:04:12 LINUX RESTART (4 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:16 all 26.25 0.00 1.05 0.33 0.09 72.28 00:20:16 0 25.81 0.00 0.91 0.38 0.09 72.81 00:20:16 1 26.64 0.00 1.00 0.08 0.09 72.19 00:20:16 2 25.84 0.00 1.14 0.78 0.09 72.15 00:20:16 3 26.71 0.00 1.13 0.09 0.09 71.98 00:30:16 all 44.07 0.00 2.15 0.18 0.08 53.51 00:30:16 0 42.44 0.00 1.99 0.11 0.09 55.37 00:30:16 1 44.89 0.00 1.98 0.10 0.08 52.95 00:30:16 2 43.94 0.00 1.96 0.20 0.08 53.81 00:30:16 3 45.03 0.00 2.67 0.33 0.08 51.90 Average: all 35.03 0.00 1.59 0.26 0.09 63.03 Average: 0 34.00 0.00 1.45 0.24 0.09 64.22 Average: 1 35.63 0.00 1.48 0.09 0.09 62.71 Average: 2 34.76 0.00 1.55 0.50 0.09 63.11 Average: 3 35.75 0.00 1.89 0.21 0.09 62.07