---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53495 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 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 686 8785 4 6517 14960 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:fa:76:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84465sec preferred_lft 84465sec inet6 fe80::f816:3eff:fefa:7649/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:e2:29:29:ef:70 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-53495) 03/27/26 _x86_64_ (4 CPU) 10:49:46 LINUX RESTART (4 CPU) 10:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:17 74.93 11.74 60.07 3.13 1496.40 11393.79 5141.27 11:10:06 40.94 0.03 24.51 16.41 0.42 2295.91 254942.34 11:20:17 16.90 0.04 15.46 1.40 0.73 4778.67 55422.65 Average: 44.40 4.01 33.54 6.85 508.70 6221.28 102994.62 10:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:17 10119968 13591132 2368948 14.47 131712 3470724 2724612 15.64 645992 5234060 95972 11:10:06 8611240 12636544 3319104 20.27 152840 3963340 3412916 19.59 787908 6547468 235780 11:20:17 7065216 13035220 2913836 17.80 167872 5828220 2973388 17.07 1472440 7324412 949896 Average: 8598808 13087632 2867296 17.51 150808 4420761 3036972 17.43 968780 6368647 427216 10:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:17 lo 1434.01 1434.01 1360.81 1360.81 0.00 0.00 0.00 0.00 11:00:17 ens3 142.95 108.54 1244.74 21.12 0.00 0.00 0.00 0.00 11:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:06 lo 1257.89 1257.89 1198.34 1198.34 0.00 0.00 0.00 0.00 11:10:06 ens3 23.14 20.74 42.50 6.56 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:17 lo 2816.31 2816.31 9513.09 9513.09 0.00 0.00 0.00 0.00 11:20:17 ens3 21.85 19.26 97.24 5.86 0.00 0.00 0.00 0.00 11:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1841.76 1841.76 4049.50 4049.50 0.00 0.00 0.00 0.00 Average: ens3 63.40 50.07 469.30 11.27 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-53495) 03/27/26 _x86_64_ (4 CPU) 10:49:46 LINUX RESTART (4 CPU) 10:50:00 CPU %user %nice %system %iowait %steal %idle 11:00:17 all 59.49 0.00 2.57 0.59 0.10 37.25 11:00:17 0 59.28 0.00 2.50 0.37 0.10 37.75 11:00:17 1 61.00 0.00 2.78 0.44 0.10 35.68 11:00:17 2 58.65 0.00 2.70 1.21 0.09 37.35 11:00:17 3 59.04 0.00 2.31 0.33 0.09 38.23 11:10:06 all 66.94 0.00 2.30 0.08 0.10 30.58 11:10:06 0 66.35 0.00 2.37 0.08 0.10 31.11 11:10:06 1 67.21 0.00 2.08 0.07 0.10 30.54 11:10:06 2 66.69 0.00 2.42 0.10 0.10 30.70 11:10:06 3 67.51 0.00 2.35 0.06 0.10 29.98 11:20:17 all 44.26 0.00 1.76 0.15 0.09 53.75 11:20:17 0 41.06 0.00 1.49 0.09 0.09 57.27 11:20:17 1 47.62 0.00 2.34 0.14 0.09 49.81 11:20:17 2 50.05 0.00 1.34 0.26 0.09 48.25 11:20:17 3 38.29 0.00 1.86 0.09 0.09 59.68 Average: all 56.77 0.00 2.21 0.27 0.10 40.65 Average: 0 55.43 0.00 2.12 0.18 0.09 42.17 Average: 1 58.50 0.00 2.41 0.22 0.10 38.78 Average: 2 58.36 0.00 2.15 0.53 0.09 38.86 Average: 3 54.80 0.00 2.17 0.16 0.10 42.77