---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22121 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 10G 68G 13% / 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 691 10824 4 4473 14955 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:75:e0:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83888sec preferred_lft 83888sec inet6 fe80::f816:3eff:fe75:e0b6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:a6:72:7c:b1: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-22121) 03/23/26 _x86_64_ (4 CPU) 20:34:52 LINUX RESTART (4 CPU) 20:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:19 50.91 4.74 43.52 2.65 273.30 4556.16 9449.09 21:10:19 63.80 0.02 41.63 22.15 0.80 3581.45 270160.19 Average: 57.35 2.38 42.57 12.40 137.05 4068.80 139805.73 20:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:19 10968188 14153736 1808216 11.04 130600 3210548 2139304 12.28 622396 4426380 43004 21:10:19 9991252 13838288 2116896 12.93 195392 3728400 2276012 13.06 816296 5131596 37908 Average: 10479720 13996012 1962556 11.99 162996 3469474 2207658 12.67 719346 4778988 40456 20:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:19 lo 1172.23 1172.23 1117.22 1117.22 0.00 0.00 0.00 0.00 21:00:19 ens3 135.90 98.42 974.98 21.83 0.00 0.00 0.00 0.00 21:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:19 lo 4865.91 4865.91 4640.56 4640.56 0.00 0.00 0.00 0.00 21:10:19 ens3 120.50 86.69 33.77 30.22 0.00 0.00 0.00 0.00 21:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3019.09 3019.09 2878.90 2878.90 0.00 0.00 0.00 0.00 Average: ens3 128.20 92.55 504.37 26.03 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-22121) 03/23/26 _x86_64_ (4 CPU) 20:34:52 LINUX RESTART (4 CPU) 20:50:19 CPU %user %nice %system %iowait %steal %idle 21:00:19 all 24.85 0.00 1.52 0.29 0.05 73.29 21:00:19 0 24.65 0.00 1.70 0.54 0.06 73.05 21:00:19 1 25.92 0.00 1.43 0.12 0.05 72.49 21:00:19 2 25.25 0.00 1.66 0.43 0.05 72.61 21:00:19 3 23.58 0.00 1.31 0.06 0.05 75.00 21:10:19 all 64.94 0.00 4.01 0.10 0.08 30.88 21:10:19 0 64.24 0.00 3.50 0.08 0.08 32.10 21:10:19 1 65.75 0.00 4.47 0.16 0.08 29.54 21:10:19 2 65.00 0.00 3.51 0.07 0.08 31.35 21:10:19 3 64.77 0.00 4.54 0.10 0.08 30.52 Average: all 44.86 0.00 2.76 0.19 0.07 52.12 Average: 0 44.42 0.00 2.60 0.31 0.07 52.60 Average: 1 45.78 0.00 2.95 0.14 0.06 51.07 Average: 2 45.09 0.00 2.58 0.25 0.07 52.01 Average: 3 44.13 0.00 2.92 0.08 0.07 52.81