---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-474810 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 13G 66G 16% / 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 666 8549 4 6772 14980 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:ae:e5:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84220sec preferred_lft 84220sec inet6 fe80::f816:3eff:feae:e5cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:37:c8:6b:6c:da 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-474810) 03/14/26 _x86_64_ (4 CPU) 20:15:50 LINUX RESTART (4 CPU) 20:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:30:03 35.70 3.33 28.79 3.59 563.21 5361.10 14186.38 20:40:03 32.03 0.02 28.69 3.32 0.24 2526.49 6148.79 20:50:03 14.00 0.14 12.39 1.48 6.35 8400.99 1985.89 Average: 27.25 1.16 23.29 2.80 189.93 5429.55 7440.28 20:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:03 9567304 13339760 2617216 15.98 142132 3750508 2726444 15.65 803580 5616900 24712 20:40:03 8929036 13139896 2813160 17.18 171716 4125452 2896396 16.63 933356 6064224 24088 20:50:03 8784964 15361324 583732 3.57 184876 6401372 1109448 6.37 1749120 5309736 224 Average: 9093768 13946993 2004703 12.24 166241 4759111 2244096 12.88 1162019 5663620 16341 20:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:30:03 lo 1532.02 1532.02 1453.89 1453.89 0.00 0.00 0.00 0.00 20:30:03 ens3 130.26 97.40 1141.05 20.69 0.00 0.00 0.00 0.00 20:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:03 lo 1504.22 1504.22 1432.84 1432.84 0.00 0.00 0.00 0.00 20:40:03 ens3 40.24 33.11 46.61 11.70 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 338.76 338.76 6932.69 6932.69 0.00 0.00 0.00 0.00 20:50:03 ens3 75.73 81.98 113.06 966.37 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1124.99 1124.99 3273.17 3273.17 0.00 0.00 0.00 0.00 Average: ens3 82.08 70.83 433.57 332.93 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-474810) 03/14/26 _x86_64_ (4 CPU) 20:15:50 LINUX RESTART (4 CPU) 20:20:03 CPU %user %nice %system %iowait %steal %idle 20:30:03 all 69.79 0.00 2.84 0.14 0.09 27.15 20:30:03 0 70.66 0.00 2.79 0.19 0.09 26.26 20:30:03 1 69.59 0.00 3.39 0.15 0.09 26.79 20:30:03 2 71.78 0.00 2.67 0.11 0.09 25.36 20:30:03 3 67.12 0.00 2.51 0.11 0.09 30.17 20:40:03 all 63.54 0.00 2.53 0.09 0.09 33.75 20:40:03 0 61.05 0.00 2.43 0.10 0.09 36.33 20:40:03 1 64.60 0.00 2.72 0.06 0.09 32.54 20:40:03 2 64.42 0.00 2.53 0.12 0.09 32.84 20:40:03 3 64.08 0.00 2.45 0.08 0.09 33.30 20:50:03 all 34.08 0.00 1.13 0.16 0.07 64.56 20:50:03 0 27.70 0.00 1.20 0.08 0.08 70.95 20:50:03 1 37.69 0.00 1.25 0.30 0.07 60.69 20:50:03 2 37.83 0.00 1.24 0.13 0.08 60.73 20:50:03 3 33.11 0.00 0.82 0.13 0.07 65.86 Average: all 55.79 0.00 2.17 0.13 0.08 41.84 Average: 0 53.12 0.00 2.14 0.12 0.08 44.53 Average: 1 57.28 0.00 2.45 0.17 0.08 40.02 Average: 2 57.99 0.00 2.14 0.12 0.08 39.66 Average: 3 54.75 0.00 1.93 0.11 0.08 43.13