---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-475064 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 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 637 8857 4 6493 15009 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:f7:e5:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84266sec preferred_lft 84266sec inet6 fe80::f816:3eff:fef7:e56c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:db:69:7e:77:b4 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-475064) 03/14/26 _x86_64_ (4 CPU) 20:55:20 LINUX RESTART (4 CPU) 21:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:10 33.02 2.44 27.43 3.15 146.79 4203.37 4029.48 21:20:08 32.64 0.02 29.24 3.38 0.28 2756.99 11745.86 21:30:01 11.43 0.13 10.11 1.19 6.31 8158.53 1561.04 Average: 25.78 0.87 22.33 2.58 51.85 5026.38 5778.34 21:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:10 8426688 12131540 3826536 23.37 141344 3676040 3779952 21.70 710164 6843704 196436 21:20:08 8028452 12575640 3378232 20.63 163120 4457876 3299868 18.94 983664 6921084 555132 21:30:01 9139628 15430460 517004 3.16 176700 6129252 1026796 5.89 1624524 5079588 2452 Average: 8531589 13379213 2573924 15.72 160388 4754389 2702205 15.51 1106117 6281459 251340 21:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:10 lo 1641.05 1641.05 1558.58 1558.58 0.00 0.00 0.00 0.00 21:10:10 ens3 96.86 74.55 513.49 18.28 0.00 0.00 0.00 0.00 21:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:08 lo 1423.25 1423.25 1356.04 1356.04 0.00 0.00 0.00 0.00 21:20:08 ens3 54.13 41.41 53.23 13.77 0.00 0.00 0.00 0.00 21:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 249.13 249.13 6917.50 6917.50 0.00 0.00 0.00 0.00 21:30:01 ens3 87.83 96.79 117.93 1066.95 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1110.07 1110.07 3257.17 3257.17 0.00 0.00 0.00 0.00 Average: ens3 79.70 70.88 230.32 362.33 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-475064) 03/14/26 _x86_64_ (4 CPU) 20:55:20 LINUX RESTART (4 CPU) 21:00:01 CPU %user %nice %system %iowait %steal %idle 21:10:10 all 70.61 0.00 2.52 0.18 0.09 26.60 21:10:10 0 72.99 0.00 2.21 0.12 0.09 24.59 21:10:10 1 72.34 0.00 2.64 0.44 0.09 24.49 21:10:10 2 68.68 0.00 2.58 0.07 0.09 28.58 21:10:10 3 68.42 0.00 2.66 0.10 0.09 28.73 21:20:08 all 63.15 0.00 2.54 0.08 0.09 34.15 21:20:08 0 61.52 0.00 2.67 0.09 0.09 35.63 21:20:08 1 66.15 0.00 2.71 0.08 0.09 30.97 21:20:08 2 62.39 0.00 2.58 0.08 0.08 34.87 21:20:08 3 62.53 0.00 2.20 0.08 0.09 35.10 21:30:01 all 29.55 0.00 0.93 0.15 0.07 69.30 21:30:01 0 34.35 0.00 1.03 0.08 0.07 64.48 21:30:01 1 31.94 0.00 1.02 0.06 0.07 66.90 21:30:01 2 30.21 0.00 0.84 0.30 0.07 68.58 21:30:01 3 21.71 0.00 0.82 0.16 0.07 77.24 Average: all 54.57 0.00 2.00 0.14 0.08 43.21 Average: 0 56.42 0.00 1.97 0.10 0.08 41.43 Average: 1 56.93 0.00 2.13 0.20 0.08 40.66 Average: 2 53.88 0.00 2.01 0.15 0.08 43.88 Average: 3 51.04 0.00 1.90 0.11 0.08 46.86