---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38574 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 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 728 9195 4 6065 14918 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:5d:78:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84045sec preferred_lft 84045sec inet6 fe80::f816:3eff:fe5d:78f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:4c:a3:f6:24:c5 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38574) 08/18/26 _x86_64_ (4 CPU) 20:24:16 LINUX RESTART (4 CPU) 20:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:07 19.87 0.82 17.31 1.75 24.75 4585.73 2342.85 20:50:07 57.84 0.00 45.98 11.86 0.00 3126.39 11360.33 21:00:05 27.58 0.15 22.53 4.90 10.30 4602.66 3469.02 Average: 35.10 0.32 28.60 6.17 11.69 4104.79 5724.13 20:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:07 8791376 13272116 2678768 16.36 193844 4315928 2969256 17.04 827436 6269716 246392 20:50:07 8265040 13081068 2866280 17.51 222776 4589756 3136760 18.00 920148 6665708 115412 21:00:05 9525876 15370564 572132 3.49 252540 5534804 1121508 6.44 1284300 4959956 156 Average: 8860764 13907916 2039060 12.45 223053 4813496 2409175 13.83 1010628 5965127 120653 20:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:07 lo 419.87 419.87 399.36 399.36 0.00 0.00 0.00 0.00 20:40:07 ens3 90.07 66.51 333.32 19.35 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 6112.23 6112.23 5829.25 5829.25 0.00 0.00 0.00 0.00 20:50:07 ens3 87.56 60.57 28.77 21.50 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 2177.05 2177.05 2059.60 2059.60 0.00 0.00 0.00 0.00 21:00:05 ens3 107.07 101.21 145.30 166.11 0.00 0.00 0.00 0.00 21:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2902.41 2902.41 2762.14 2762.14 0.00 0.00 0.00 0.00 Average: ens3 94.89 76.07 169.22 68.90 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38574) 08/18/26 _x86_64_ (4 CPU) 20:24:16 LINUX RESTART (4 CPU) 20:30:06 CPU %user %nice %system %iowait %steal %idle 20:40:07 all 69.00 0.00 2.57 0.05 0.10 28.28 20:40:07 0 68.70 0.00 2.75 0.05 0.11 28.40 20:40:07 1 66.52 0.00 2.50 0.09 0.10 30.79 20:40:07 2 71.01 0.00 2.48 0.03 0.10 26.37 20:40:07 3 69.75 0.00 2.53 0.03 0.11 27.57 20:50:07 all 61.94 0.00 4.35 0.10 0.09 33.52 20:50:07 0 61.59 0.00 4.36 0.09 0.09 33.86 20:50:07 1 60.98 0.00 4.30 0.15 0.09 34.47 20:50:07 2 61.67 0.00 4.36 0.08 0.09 33.80 20:50:07 3 63.51 0.00 4.39 0.07 0.09 31.94 21:00:05 all 44.18 0.00 2.43 0.09 0.08 53.21 21:00:05 0 42.27 0.00 2.29 0.09 0.08 55.26 21:00:05 1 43.29 0.00 2.18 0.06 0.08 54.40 21:00:05 2 43.61 0.00 2.44 0.10 0.09 53.76 21:00:05 3 47.54 0.00 2.82 0.12 0.08 49.43 Average: all 58.38 0.00 3.12 0.08 0.09 38.33 Average: 0 57.52 0.00 3.13 0.08 0.09 39.17 Average: 1 56.94 0.00 3.00 0.10 0.09 39.88 Average: 2 58.78 0.00 3.09 0.07 0.09 37.96 Average: 3 60.28 0.00 3.25 0.07 0.09 36.30