---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1074 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: 5599.94 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 773 9389 4 5826 14873 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:0e:0f:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83890sec preferred_lft 83890sec inet6 fe80::f816:3eff:fe0e:f75/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:41:32:53:80:0a 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-1074) 04/07/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:05 26.80 0.44 23.07 3.29 13.92 4637.72 12362.32 20:50:10 36.18 0.00 28.49 7.69 0.00 1853.06 23097.47 21:00:10 37.74 0.30 30.62 6.83 11.73 5168.44 11472.82 Average: 33.56 0.25 27.38 5.93 8.54 3883.03 15655.08 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:05 9335624 13510972 2440244 14.90 188892 4041532 2668672 15.32 785280 5774204 6468 20:50:10 8725024 13219196 2730156 16.67 203504 4320612 3002292 17.23 849564 6299564 99736 21:00:10 9767932 15368012 576240 3.52 243548 5323948 1105104 6.34 1235224 4808488 656 Average: 9276193 14032727 1915547 11.70 211981 4562031 2258689 12.96 956689 5627419 35620 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:05 lo 1400.86 1400.86 1335.10 1335.10 0.00 0.00 0.00 0.00 20:40:05 ens3 88.12 67.13 319.90 20.47 0.00 0.00 0.00 0.00 20:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5044.09 5044.09 4811.88 4811.88 0.00 0.00 0.00 0.00 20:50:10 ens3 50.49 38.60 19.33 13.77 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:10 lo 3246.56 3246.56 3091.71 3091.71 0.00 0.00 0.00 0.00 21:00:10 ens3 77.57 64.18 102.52 53.74 0.00 0.00 0.00 0.00 21:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3230.23 3230.23 3079.31 3079.31 0.00 0.00 0.00 0.00 Average: ens3 72.05 56.62 147.39 29.26 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-1074) 04/07/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:05 all 66.02 0.00 2.78 0.34 0.09 30.77 20:40:05 0 64.22 0.00 2.35 0.21 0.09 33.14 20:40:05 1 67.59 0.00 2.71 0.53 0.09 29.08 20:40:05 2 66.19 0.00 3.03 0.45 0.09 30.25 20:40:05 3 66.07 0.00 3.04 0.17 0.09 30.63 20:50:10 all 43.63 0.00 3.34 10.95 0.09 41.99 20:50:10 0 43.17 0.00 3.18 7.41 0.09 46.15 20:50:10 1 43.89 0.00 3.37 19.18 0.09 33.47 20:50:10 2 44.18 0.00 3.51 9.19 0.09 43.03 20:50:10 3 43.26 0.00 3.29 8.03 0.09 45.33 21:00:10 all 54.68 0.00 3.31 2.08 0.10 39.83 21:00:10 0 54.24 0.00 3.28 0.42 0.09 41.97 21:00:10 1 55.80 0.00 3.30 4.35 0.10 36.45 21:00:10 2 54.36 0.00 3.46 2.16 0.10 39.93 21:00:10 3 54.34 0.00 3.21 1.39 0.09 40.96 Average: all 54.78 0.00 3.14 4.46 0.09 37.52 Average: 0 53.88 0.00 2.93 2.68 0.09 40.41 Average: 1 55.76 0.00 3.13 8.03 0.09 32.99 Average: 2 54.92 0.00 3.33 3.93 0.09 37.72 Average: 3 54.56 0.00 3.18 3.20 0.09 38.96