---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64900 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 743 9522 4 5723 14903 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:82:fc:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83783sec preferred_lft 83783sec inet6 fe80::f816:3eff:fe82:fcef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:2f:47:41:f3:f5 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-64900) 03/31/26 _x86_64_ (4 CPU) 20:24:28 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:08 28.98 0.43 24.44 4.11 13.74 4367.68 5678.88 20:50:08 49.89 0.00 39.43 10.45 0.00 2621.97 14876.83 21:00:08 21.62 0.29 17.76 3.57 11.72 4133.59 2548.83 Average: 33.48 0.24 27.20 6.04 8.50 3709.99 7694.66 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:08 9116272 13304232 2648588 16.18 189524 4049396 2911312 16.71 768444 6030184 116128 20:50:08 8815788 13320948 2627096 16.05 214432 4307448 2791516 16.02 863144 6184768 74724 21:00:08 9871076 15365144 581400 3.55 240916 5220940 1106792 6.35 1203328 4725764 12 Average: 9267712 13996775 1952361 11.92 214957 4525928 2269873 13.03 944972 5646905 63621 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:08 lo 1801.80 1801.80 1718.06 1718.06 0.00 0.00 0.00 0.00 20:40:08 ens3 93.67 67.11 319.16 20.33 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:08 lo 5048.44 5048.44 4813.68 4813.68 0.00 0.00 0.00 0.00 20:50:08 ens3 83.29 58.67 26.28 19.82 0.00 0.00 0.00 0.00 20:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:08 lo 1422.40 1422.40 1348.77 1348.77 0.00 0.00 0.00 0.00 21:00:08 ens3 78.47 69.48 103.27 105.54 0.00 0.00 0.00 0.00 21:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2754.30 2754.30 2623.75 2623.75 0.00 0.00 0.00 0.00 Average: ens3 85.17 65.09 150.15 48.47 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-64900) 03/31/26 _x86_64_ (4 CPU) 20:24:28 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:08 all 66.09 0.00 2.98 0.06 0.10 30.77 20:40:08 0 67.27 0.00 3.36 0.04 0.10 29.24 20:40:08 1 64.24 0.00 2.84 0.04 0.10 32.78 20:40:08 2 65.75 0.00 3.00 0.09 0.10 31.06 20:40:08 3 67.12 0.00 2.74 0.05 0.10 29.99 20:50:08 all 61.49 0.00 4.07 0.17 0.11 34.16 20:50:08 0 61.24 0.00 4.02 0.16 0.11 34.47 20:50:08 1 62.47 0.00 4.35 0.09 0.10 32.99 20:50:08 2 60.43 0.00 4.23 0.14 0.11 35.10 20:50:08 3 61.81 0.00 3.71 0.28 0.11 34.10 21:00:08 all 31.35 0.00 1.77 0.15 0.06 66.67 21:00:08 0 28.85 0.00 1.64 0.05 0.07 69.40 21:00:08 1 31.89 0.00 1.92 0.04 0.06 66.09 21:00:08 2 33.54 0.00 1.76 0.37 0.06 64.27 21:00:08 3 31.14 0.00 1.79 0.11 0.07 66.89 Average: all 53.01 0.00 2.94 0.12 0.09 43.83 Average: 0 52.49 0.00 3.00 0.08 0.09 44.33 Average: 1 52.89 0.00 3.03 0.06 0.09 43.94 Average: 2 53.27 0.00 2.99 0.20 0.09 43.44 Average: 3 53.40 0.00 2.75 0.15 0.09 43.61