---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37816 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: 5599.99 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 11G 67G 14% / 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 696 10229 4 5063 14950 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:5e:3a:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84685sec preferred_lft 84685sec inet6 fe80::f816:3eff:fe5e:3ac3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:15:b2:f5:63:32 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-37816) 07/22/26 _x86_64_ (4 CPU) 19:09:51 LINUX RESTART (4 CPU) 19:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 79.77 11.31 54.30 14.17 1548.25 9740.15 273173.96 19:30:01 19.90 0.78 17.59 1.54 27.99 3295.67 3226.85 Average: 49.88 6.05 35.97 7.86 789.13 6522.17 138379.01 19:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 10380892 13769956 2190368 13.38 126792 3396388 2538492 14.57 545116 5073764 26820 19:30:01 9000504 13332964 2618352 15.99 167280 4214240 2781340 15.96 781064 6103096 5652 Average: 9690698 13551460 2404360 14.68 147036 3805314 2659916 15.27 663090 5588430 16236 19:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 0.97 0.97 0.10 0.10 0.00 0.00 0.00 0.00 19:20:01 ens3 162.40 119.77 1372.19 22.37 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 378.86 378.86 360.15 360.15 0.00 0.00 0.00 0.00 19:30:01 ens3 91.98 68.44 332.13 20.31 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 189.66 189.66 179.89 179.89 0.00 0.00 0.00 0.00 Average: ens3 127.24 94.14 852.85 21.34 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-37816) 07/22/26 _x86_64_ (4 CPU) 19:09:51 LINUX RESTART (4 CPU) 19:10:00 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 35.53 0.00 1.63 0.45 0.07 62.32 19:20:01 0 35.49 0.00 1.54 0.45 0.07 62.45 19:20:01 1 33.86 0.00 1.66 0.80 0.07 63.61 19:20:01 2 37.46 0.00 1.91 0.35 0.07 60.22 19:20:01 3 35.31 0.00 1.43 0.21 0.08 62.98 19:30:01 all 71.00 0.00 2.41 0.03 0.10 26.46 19:30:01 0 72.01 0.00 2.30 0.02 0.10 25.57 19:30:01 1 70.99 0.00 2.65 0.04 0.10 26.23 19:30:01 2 67.84 0.00 2.28 0.03 0.10 29.75 19:30:01 3 73.15 0.00 2.41 0.04 0.10 24.30 Average: all 53.23 0.00 2.02 0.24 0.08 44.42 Average: 0 53.71 0.00 1.92 0.23 0.08 44.06 Average: 1 52.40 0.00 2.15 0.42 0.08 44.95 Average: 2 52.63 0.00 2.09 0.19 0.08 45.01 Average: 3 54.20 0.00 1.92 0.12 0.09 43.68