---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-499435 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 9.2G 69G 12% / 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 593 11875 4 3520 15052 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:dd:01:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82677sec preferred_lft 82677sec inet6 fe80::f816:3eff:fedd:140/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:9c:2e:6c:d6:9f 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-499435) 03/17/26 _x86_64_ (4 CPU) 07:51:13 LINUX RESTART (4 CPU) 08:00:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:38 1.51 0.01 1.50 0.01 0.04 19.45 1.24 08:20:46 1.39 0.00 1.39 0.00 0.01 17.13 0.00 08:30:46 1.46 0.00 1.46 0.00 0.00 17.01 0.00 08:40:46 2.02 0.00 2.02 0.00 0.00 23.61 0.00 08:50:31 2.32 0.01 2.31 0.00 0.08 26.88 0.04 Average: 1.74 0.00 1.73 0.00 0.03 20.78 0.26 08:00:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:38 10386964 13623636 2337040 14.27 115000 3265056 2649856 15.21 621492 4986496 16 08:20:46 10385200 13622284 2338392 14.28 115400 3265072 2650244 15.21 621884 4987352 20 08:30:46 10381672 13619196 2341476 14.30 115788 3265076 2650628 15.21 622276 4989224 28 08:40:46 10380412 13618640 2342028 14.30 116460 3265084 2650696 15.21 622948 4989648 12 08:50:31 10369632 13608688 2352016 14.37 117168 3265184 2650692 15.21 624132 4989120 28 Average: 10380776 13618489 2342190 14.31 115963 3265094 2650423 15.21 622546 4988368 21 08:00:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:38 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:10:38 ens3 0.37 0.15 0.14 0.08 0.00 0.00 0.00 0.00 08:10:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:46 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:20:46 ens3 0.37 0.12 0.10 0.05 0.00 0.00 0.00 0.00 08:20:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:46 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:30:46 ens3 0.35 0.15 0.11 0.07 0.00 0.00 0.00 0.00 08:30:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:46 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:40:46 ens3 0.29 0.14 0.08 0.05 0.00 0.00 0.00 0.00 08:40:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:31 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 08:50:31 ens3 0.33 0.14 0.10 0.06 0.00 0.00 0.00 0.00 08:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.34 0.14 0.11 0.06 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-499435) 03/17/26 _x86_64_ (4 CPU) 07:51:13 LINUX RESTART (4 CPU) 08:00:38 CPU %user %nice %system %iowait %steal %idle 08:10:38 all 0.38 0.00 0.08 0.02 0.03 99.49 08:10:38 0 0.08 0.00 0.06 0.00 0.03 99.83 08:10:38 1 0.88 0.00 0.09 0.06 0.04 98.92 08:10:38 2 0.44 0.00 0.10 0.00 0.04 99.43 08:10:38 3 0.14 0.00 0.05 0.00 0.02 99.79 08:20:46 all 0.17 0.00 0.08 0.01 0.04 99.71 08:20:46 0 0.07 0.00 0.05 0.00 0.02 99.86 08:20:46 1 0.33 0.00 0.11 0.00 0.05 99.51 08:20:46 2 0.14 0.00 0.09 0.00 0.04 99.73 08:20:46 3 0.12 0.00 0.07 0.02 0.03 99.75 08:30:46 all 0.30 0.00 0.08 0.01 0.03 99.57 08:30:46 0 0.02 0.00 0.02 0.01 0.01 99.94 08:30:46 1 0.69 0.00 0.13 0.03 0.04 99.11 08:30:46 2 0.41 0.00 0.11 0.00 0.04 99.44 08:30:46 3 0.09 0.00 0.07 0.01 0.04 99.79 08:40:46 all 0.24 0.00 0.09 0.33 0.03 99.31 08:40:46 0 0.16 0.00 0.05 0.18 0.02 99.59 08:40:46 1 0.15 0.00 0.09 0.62 0.05 99.10 08:40:46 2 0.47 0.00 0.12 0.15 0.04 99.23 08:40:46 3 0.21 0.00 0.09 0.37 0.03 99.31 08:50:31 all 0.29 0.00 0.09 0.23 0.03 99.35 08:50:31 0 0.09 0.00 0.07 0.07 0.02 99.76 08:50:31 1 0.37 0.00 0.10 0.10 0.04 99.39 08:50:31 2 0.55 0.00 0.11 0.17 0.05 99.12 08:50:31 3 0.17 0.00 0.08 0.59 0.02 99.14 Average: all 0.28 0.00 0.08 0.12 0.03 99.49 Average: 0 0.08 0.00 0.05 0.05 0.02 99.80 Average: 1 0.48 0.00 0.10 0.16 0.05 99.20 Average: 2 0.40 0.00 0.10 0.07 0.04 99.39 Average: 3 0.14 0.00 0.07 0.20 0.03 99.56