---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30548 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5599.86 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 794 9358 4 5837 14852 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:f4:c5:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83998sec preferred_lft 83998sec inet6 fe80::f816:3eff:fef4:c565/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:96:68:57:2f:5c 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30548) 06/25/26 _x86_64_ (4 CPU) 20:22:28 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 24.12 0.47 21.16 2.48 14.57 4720.39 7110.93 20:50:00 54.45 0.00 43.39 11.06 0.00 2723.53 28464.12 21:00:00 22.97 0.29 19.09 3.59 11.65 4325.37 8047.60 Average: 33.85 0.26 27.88 5.71 8.74 3923.10 14540.85 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9277576 13448740 2503424 15.29 185256 4036800 2695328 15.47 753016 5870716 14380 20:50:00 8663704 13277928 2670712 16.31 213488 4413472 3158864 18.13 848936 6351128 107228 21:00:00 9736912 15347500 596976 3.65 243048 5328920 1115600 6.40 1208616 4838884 128 Average: 9226064 14024723 1923704 11.75 213931 4593064 2323264 13.34 936856 5686909 40579 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 986.43 986.43 940.00 940.00 0.00 0.00 0.00 0.00 20:40:00 ens3 94.74 70.06 324.26 20.51 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5671.45 5671.45 5408.25 5408.25 0.00 0.00 0.00 0.00 20:50:00 ens3 82.93 63.59 27.27 21.00 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 1608.92 1608.92 1513.83 1513.83 0.00 0.00 0.00 0.00 21:00:00 ens3 107.29 107.97 118.16 179.36 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2755.59 2755.59 2620.69 2620.69 0.00 0.00 0.00 0.00 Average: ens3 94.98 80.54 156.56 73.62 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30548) 06/25/26 _x86_64_ (4 CPU) 20:22:28 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 67.92 0.00 2.65 0.05 0.09 29.28 20:40:00 0 66.51 0.00 2.63 0.03 0.09 30.74 20:40:00 1 67.93 0.00 2.41 0.06 0.09 29.51 20:40:00 2 67.30 0.00 2.55 0.06 0.09 30.00 20:40:00 3 69.95 0.00 3.02 0.04 0.09 26.89 20:50:00 all 61.73 0.00 4.19 0.10 0.09 33.90 20:50:00 0 59.37 0.00 4.08 0.08 0.09 36.38 20:50:00 1 62.50 0.00 3.86 0.16 0.09 33.39 20:50:00 2 61.08 0.00 3.93 0.10 0.09 34.80 20:50:00 3 63.97 0.00 4.88 0.06 0.09 31.01 21:00:00 all 40.08 0.00 1.99 0.08 0.07 57.78 21:00:00 0 36.92 0.00 2.08 0.05 0.07 60.87 21:00:00 1 39.76 0.00 1.91 0.06 0.08 58.20 21:00:00 2 44.38 0.00 1.92 0.08 0.08 53.54 21:00:00 3 39.27 0.00 2.06 0.12 0.07 58.48 Average: all 56.57 0.00 2.94 0.07 0.08 40.33 Average: 0 54.26 0.00 2.93 0.05 0.09 42.67 Average: 1 56.71 0.00 2.73 0.09 0.08 40.39 Average: 2 57.58 0.00 2.80 0.08 0.09 39.45 Average: 3 57.72 0.00 3.32 0.07 0.08 38.81