---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-494336 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 9.3G 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 621 11720 4 3646 15024 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:64:a2:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84402sec preferred_lft 84402sec inet6 fe80::f816:3eff:fe64:a2d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:ec:d5:bd:2e:56 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-494336) 03/16/26 _x86_64_ (4 CPU) 18:08:01 LINUX RESTART (4 CPU) 18:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:01 15.81 0.08 2.79 12.93 3.51 233.23 243160.91 18:30:17 83.59 4.60 72.85 6.14 270.88 5562.20 126766.15 18:40:01 12.60 0.00 10.32 2.28 0.14 652.18 55898.70 Average: 37.95 1.60 29.20 7.15 93.85 2191.75 142557.05 18:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:01 13721064 15519416 496756 3.03 56532 1968116 1124008 6.45 206780 2189680 200 18:30:17 9900284 13161552 2798304 17.09 150060 3251876 3175564 18.23 665252 5429936 4360 18:40:01 9436664 12831192 3127072 19.10 156508 3368196 3252636 18.67 686504 5859524 656 Average: 11019337 13837387 2140711 13.07 121033 2862729 2517403 14.45 519512 4493047 1739 18:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 18:20:01 ens3 5.71 2.30 82.82 0.20 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:17 lo 0.84 0.84 0.10 0.10 0.00 0.00 0.00 0.00 18:30:17 ens3 113.02 87.09 885.58 18.84 0.00 0.00 0.00 0.00 18:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:01 lo 58.75 58.75 14.45 14.45 0.00 0.00 0.00 0.00 18:40:01 ens3 4.36 3.71 3.72 1.27 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.41 19.41 4.73 4.73 0.00 0.00 0.00 0.00 Average: ens3 41.97 31.76 331.68 6.92 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-494336) 03/16/26 _x86_64_ (4 CPU) 18:08:01 LINUX RESTART (4 CPU) 18:10:01 CPU %user %nice %system %iowait %steal %idle 18:20:01 all 0.12 0.00 0.07 0.08 0.01 99.72 18:20:01 0 0.08 0.00 0.07 0.13 0.01 99.72 18:20:01 1 0.21 0.00 0.05 0.10 0.02 99.63 18:20:01 2 0.11 0.00 0.08 0.02 0.02 99.77 18:20:01 3 0.09 0.00 0.07 0.08 0.02 99.74 18:30:17 all 35.05 0.00 1.46 0.64 0.08 62.77 18:30:17 0 35.52 0.00 1.39 0.93 0.08 62.08 18:30:17 1 33.30 0.00 1.29 0.25 0.08 65.08 18:30:17 2 36.46 0.00 1.50 0.67 0.08 61.29 18:30:17 3 34.93 0.00 1.65 0.70 0.08 62.63 18:40:01 all 14.05 0.00 0.82 0.17 0.08 84.88 18:40:01 0 13.54 0.00 0.89 0.07 0.08 85.43 18:40:01 1 13.48 0.00 0.83 0.15 0.08 85.45 18:40:01 2 14.62 0.00 0.82 0.32 0.08 84.16 18:40:01 3 14.58 0.00 0.74 0.15 0.08 84.46 Average: all 16.59 0.00 0.79 0.30 0.06 82.27 Average: 0 16.56 0.00 0.79 0.38 0.06 82.22 Average: 1 15.82 0.00 0.73 0.17 0.06 83.22 Average: 2 17.25 0.00 0.81 0.34 0.06 81.55 Average: 3 16.71 0.00 0.83 0.31 0.06 82.08