---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3620 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 714 9676 4 5597 14931 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:f3:be:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84592sec preferred_lft 84592sec inet6 fe80::f816:3eff:fef3:be6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:45:4a:42:f2:d8 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-3620) 04/16/26 _x86_64_ (4 CPU) 12:37:09 LINUX RESTART (4 CPU) 12:40:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:09 25.13 1.20 21.72 2.21 54.33 4631.95 11156.81 13:00:00 34.14 0.06 30.82 3.26 1.88 6155.05 15290.25 Average: 29.72 0.62 26.36 2.75 27.59 5408.34 13263.80 12:40:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:09 9843116 13510556 2445668 14.94 155148 3604948 2695336 15.47 711868 5392716 18576 13:00:00 8231304 13360248 2589232 15.81 188860 4958500 2774808 15.93 1028276 6608840 42152 Average: 9037210 13435402 2517450 15.38 172004 4281724 2735072 15.70 870072 6000778 30364 12:40:41 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:09 lo 900.69 900.69 858.22 858.22 0.00 0.00 0.00 0.00 12:50:09 ens3 74.42 56.71 360.51 15.38 0.00 0.00 0.00 0.00 12:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 1281.06 1281.06 1220.42 1220.42 0.00 0.00 0.00 0.00 13:00:00 ens3 60.65 49.12 239.05 14.23 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1094.58 1094.58 1042.85 1042.85 0.00 0.00 0.00 0.00 Average: ens3 67.40 52.85 298.60 14.79 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-3620) 04/16/26 _x86_64_ (4 CPU) 12:37:09 LINUX RESTART (4 CPU) 12:40:41 CPU %user %nice %system %iowait %steal %idle 12:50:09 all 64.86 0.00 2.29 0.07 0.09 32.68 12:50:09 0 65.14 0.00 2.64 0.08 0.09 32.05 12:50:09 1 66.79 0.00 2.28 0.06 0.09 30.78 12:50:09 2 62.64 0.00 2.11 0.06 0.09 35.10 12:50:09 3 64.88 0.00 2.15 0.07 0.09 32.81 13:00:00 all 57.28 0.00 2.38 0.10 0.09 40.15 13:00:00 0 56.19 0.00 2.29 0.09 0.09 41.33 13:00:00 1 55.26 0.00 2.44 0.20 0.09 42.01 13:00:00 2 60.03 0.00 2.32 0.03 0.09 37.53 13:00:00 3 57.62 0.00 2.46 0.08 0.09 39.74 Average: all 61.00 0.00 2.34 0.09 0.09 36.49 Average: 0 60.58 0.00 2.46 0.09 0.09 36.78 Average: 1 60.91 0.00 2.36 0.13 0.09 36.51 Average: 2 61.31 0.00 2.22 0.05 0.09 36.34 Average: 3 61.18 0.00 2.31 0.08 0.09 36.34