---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53592 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 11G 68G 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 653 10549 4 4785 14993 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:c1:7a:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84509sec preferred_lft 84509sec inet6 fe80::f816:3eff:fec1:7aba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:0b:f1:85:ea:94 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-53592) 03/27/26 _x86_64_ (4 CPU) 18:28:38 LINUX RESTART (4 CPU) 18:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:03 17.03 2.85 13.52 0.66 162.82 3347.36 214.22 18:50:03 12.61 0.78 10.60 1.23 28.09 2614.97 765.11 19:00:03 27.04 0.42 22.02 4.60 16.28 3313.18 4465.75 Average: 18.89 1.35 15.38 2.16 69.03 3091.65 1815.19 18:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:03 11225792 14240568 1722140 10.52 121492 3043420 2519740 14.46 506724 4273180 55756 18:50:03 9113688 13266664 2686536 16.41 172268 4033736 2887092 16.57 770932 6019948 401644 19:00:03 10769200 15314900 635976 3.88 184972 4391332 1172480 6.73 928980 4182524 12624 Average: 10369560 14274044 1681551 10.27 159577 3822829 2193104 12.59 735545 4825217 156675 18:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:03 lo 0.69 0.69 0.08 0.08 0.00 0.00 0.00 0.00 18:40:03 ens3 79.59 65.78 774.55 13.13 0.00 0.00 0.00 0.00 18:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:03 lo 173.84 173.84 164.61 164.61 0.00 0.00 0.00 0.00 18:50:03 ens3 84.01 62.04 327.59 19.06 0.00 0.00 0.00 0.00 18:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:03 lo 1518.00 1518.00 1436.67 1436.67 0.00 0.00 0.00 0.00 19:00:03 ens3 95.77 92.01 138.58 201.09 0.00 0.00 0.00 0.00 19:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 564.23 564.23 533.84 533.84 0.00 0.00 0.00 0.00 Average: ens3 86.46 73.27 413.46 77.76 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-53592) 03/27/26 _x86_64_ (4 CPU) 18:28:38 LINUX RESTART (4 CPU) 18:30:03 CPU %user %nice %system %iowait %steal %idle 18:40:03 all 30.19 0.00 1.04 0.07 0.06 68.63 18:40:03 0 29.79 0.00 0.90 0.06 0.05 69.20 18:40:03 1 29.92 0.00 1.14 0.14 0.06 68.74 18:40:03 2 31.60 0.00 1.23 0.06 0.07 67.05 18:40:03 3 29.46 0.00 0.91 0.03 0.05 69.54 18:50:03 all 71.29 0.00 2.33 0.03 0.09 26.26 18:50:03 0 71.50 0.00 2.08 0.02 0.09 26.31 18:50:03 1 68.42 0.00 2.31 0.04 0.09 29.14 18:50:03 2 74.03 0.00 2.75 0.03 0.09 23.09 18:50:03 3 71.21 0.00 2.16 0.02 0.10 26.52 19:00:03 all 35.79 0.00 1.78 0.11 0.07 62.26 19:00:03 0 31.77 0.00 1.48 0.07 0.07 66.62 19:00:03 1 40.03 0.00 2.17 0.23 0.08 57.49 19:00:03 2 38.92 0.00 1.83 0.09 0.07 59.09 19:00:03 3 32.43 0.00 1.63 0.04 0.07 65.84 Average: all 45.76 0.00 1.72 0.07 0.07 52.38 Average: 0 44.35 0.00 1.49 0.05 0.07 54.04 Average: 1 46.11 0.00 1.87 0.13 0.08 51.80 Average: 2 48.19 0.00 1.94 0.06 0.08 49.74 Average: 3 44.38 0.00 1.56 0.03 0.07 53.95