---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-494321 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: 5599.86 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 602 10600 4 4786 15043 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:6d:18:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84841sec preferred_lft 84841sec inet6 fe80::f816:3eff:fe6d:1839/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:6e:7f:ea:b4:0b 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-494321) 03/16/26 _x86_64_ (4 CPU) 18:06:58 LINUX RESTART (4 CPU) 18:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:37 4.43 0.23 4.02 0.18 23.41 715.73 24.69 18:30:37 14.59 0.52 13.01 1.06 19.01 2026.23 7770.80 Average: 9.36 0.37 8.38 0.60 21.28 1351.59 3783.15 18:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:37 8395420 11360816 4602364 28.11 112012 3019664 4774972 27.41 490588 7147788 68 18:30:37 9427072 12983072 2976232 18.18 131644 3557216 3790080 21.76 677448 5898000 151108 Average: 8911246 12171944 3789298 23.14 121828 3288440 4282526 24.58 584018 6522894 75588 18:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:37 lo 0.58 0.58 0.36 0.36 0.00 0.00 0.00 0.00 18:20:37 ens3 11.16 9.84 73.08 2.43 0.00 0.00 0.00 0.00 18:20:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:37 lo 372.16 372.16 354.49 354.49 0.00 0.00 0.00 0.00 18:30:37 ens3 37.38 26.83 410.15 3.77 0.00 0.00 0.00 0.00 18:30:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 180.87 180.87 172.18 172.18 0.00 0.00 0.00 0.00 Average: ens3 23.88 18.09 236.62 3.08 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-494321) 03/16/26 _x86_64_ (4 CPU) 18:06:58 LINUX RESTART (4 CPU) 18:10:01 CPU %user %nice %system %iowait %steal %idle 18:20:37 all 48.22 0.00 0.66 0.01 0.08 51.03 18:20:37 0 40.99 0.00 0.63 0.02 0.08 58.28 18:20:37 1 40.91 0.00 0.70 0.01 0.07 58.30 18:20:37 2 48.65 0.00 0.62 0.01 0.08 50.64 18:20:37 3 62.34 0.00 0.70 0.01 0.09 36.87 18:30:37 all 57.35 0.00 1.10 0.06 0.08 41.40 18:30:37 0 62.77 0.00 1.25 0.02 0.08 35.89 18:30:37 1 46.45 0.00 1.01 0.03 0.09 52.42 18:30:37 2 55.66 0.00 1.06 0.03 0.09 43.16 18:30:37 3 64.57 0.00 1.09 0.18 0.07 34.10 Average: all 52.65 0.00 0.88 0.04 0.08 46.36 Average: 0 51.54 0.00 0.93 0.02 0.08 47.43 Average: 1 43.60 0.00 0.85 0.02 0.08 55.44 Average: 2 52.04 0.00 0.84 0.02 0.08 47.02 Average: 3 63.42 0.00 0.89 0.09 0.08 35.52