---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-451805 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: 5600.00 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 726 9494 4 5768 14920 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:d7:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84080sec preferred_lft 84080sec inet6 fe80::f816:3eff:fefa:d7af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:59:a7:9a:6b:48 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-451805) 03/12/26 _x86_64_ (4 CPU) 12:03:40 LINUX RESTART (4 CPU) 12:10:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:06 26.41 0.46 22.65 3.29 14.58 4461.25 9112.12 12:30:13 52.13 0.00 41.04 11.09 0.00 2702.98 26608.26 12:40:13 20.50 0.12 17.40 2.99 6.64 4113.97 4563.20 Average: 33.18 0.19 27.15 5.84 6.94 3745.73 13537.88 12:10:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:06 9297120 13490304 2461776 15.04 185576 4063012 3043780 17.47 760028 5861208 86992 12:30:13 8699904 13331320 2616628 15.98 212836 4430560 3139896 18.02 869808 6299560 141152 12:40:13 9833768 15375348 568856 3.47 241176 5269980 1112652 6.39 1211256 4747396 224 Average: 9276931 14065657 1882420 11.50 213196 4587851 2432109 13.96 947031 5636055 76123 12:10:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:06 lo 1576.16 1576.16 1502.81 1502.81 0.00 0.00 0.00 0.00 12:20:06 ens3 92.99 67.72 332.02 17.81 0.00 0.00 0.00 0.00 12:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:13 lo 5387.43 5387.43 5137.54 5137.54 0.00 0.00 0.00 0.00 12:30:13 ens3 66.89 51.83 23.08 17.40 0.00 0.00 0.00 0.00 12:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:13 lo 1484.55 1484.55 1396.83 1396.83 0.00 0.00 0.00 0.00 12:40:13 ens3 109.56 110.54 119.22 208.65 0.00 0.00 0.00 0.00 12:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2842.94 2842.94 2704.64 2704.64 0.00 0.00 0.00 0.00 Average: ens3 89.68 76.73 155.21 81.91 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-451805) 03/12/26 _x86_64_ (4 CPU) 12:03:40 LINUX RESTART (4 CPU) 12:10:30 CPU %user %nice %system %iowait %steal %idle 12:20:06 all 65.84 0.00 2.96 0.24 0.09 30.87 12:20:06 0 66.62 0.00 3.25 0.32 0.09 29.73 12:20:06 1 67.47 0.00 2.80 0.19 0.09 29.44 12:20:06 2 65.40 0.00 2.84 0.13 0.09 31.53 12:20:06 3 63.85 0.00 2.95 0.32 0.09 32.78 12:30:13 all 62.20 0.00 4.07 0.10 0.09 33.54 12:30:13 0 62.72 0.00 3.88 0.07 0.09 33.26 12:30:13 1 62.22 0.00 4.40 0.11 0.09 33.18 12:30:13 2 62.04 0.00 3.94 0.06 0.09 33.87 12:30:13 3 61.82 0.00 4.08 0.16 0.08 33.86 12:40:13 all 39.26 0.00 1.82 0.09 0.07 58.77 12:40:13 0 32.85 0.00 1.50 0.18 0.07 65.40 12:40:13 1 36.51 0.00 1.66 0.04 0.07 61.72 12:40:13 2 45.53 0.00 1.87 0.04 0.07 52.50 12:40:13 3 42.15 0.00 2.23 0.09 0.07 55.46 Average: all 55.63 0.00 2.95 0.14 0.08 41.19 Average: 0 53.90 0.00 2.87 0.18 0.08 42.96 Average: 1 55.22 0.00 2.96 0.11 0.08 41.62 Average: 2 57.56 0.00 2.89 0.08 0.08 39.39 Average: 3 55.84 0.00 3.09 0.19 0.08 40.80