---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27823 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 11G 68G 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 678 10488 4 4821 14967 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:b6:aa:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84691sec preferred_lft 84691sec inet6 fe80::f816:3eff:feb6:aa10/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:0e:d8:fc:91:f1 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-27823) 06/16/26 _x86_64_ (4 CPU) 12:36:10 LINUX RESTART (4 CPU) 12:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 13.31 2.00 10.44 0.87 128.10 2874.83 2449.54 13:00:12 28.42 0.88 24.01 3.53 29.73 4151.80 6189.04 Average: 20.99 1.43 17.34 2.22 78.07 3524.32 4351.52 12:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 10651288 14001436 1958768 11.96 132840 3338392 2277920 13.08 558332 4767744 21996 13:00:12 8701436 13219204 2730988 16.68 173996 4373956 2845584 16.33 879868 6283264 40608 Average: 9676362 13610320 2344878 14.32 153418 3856174 2561752 14.70 719100 5525504 31302 12:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 1.11 1.11 0.11 0.11 0.00 0.00 0.00 0.00 12:50:01 ens3 98.17 81.62 631.33 19.02 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:12 lo 1667.83 1667.83 1589.90 1589.90 0.00 0.00 0.00 0.00 13:00:12 ens3 91.01 69.64 421.93 18.37 0.00 0.00 0.00 0.00 13:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 848.83 848.83 808.71 808.71 0.00 0.00 0.00 0.00 Average: ens3 94.53 75.52 524.82 18.69 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-27823) 06/16/26 _x86_64_ (4 CPU) 12:36:10 LINUX RESTART (4 CPU) 12:40:11 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 55.66 0.00 1.85 0.09 0.07 42.32 12:50:01 0 55.03 0.00 1.61 0.21 0.07 43.08 12:50:01 1 54.66 0.00 1.68 0.06 0.07 43.52 12:50:01 2 56.50 0.00 1.89 0.03 0.07 41.51 12:50:01 3 56.47 0.00 2.23 0.05 0.07 41.18 13:00:12 all 69.08 0.00 2.74 0.06 0.09 28.03 13:00:12 0 67.46 0.00 2.95 0.05 0.09 29.45 13:00:12 1 67.24 0.00 2.69 0.08 0.09 29.90 13:00:12 2 71.92 0.00 2.95 0.06 0.09 24.98 13:00:12 3 69.72 0.00 2.36 0.04 0.09 27.79 Average: all 62.49 0.00 2.30 0.07 0.08 35.06 Average: 0 61.35 0.00 2.29 0.13 0.08 36.15 Average: 1 61.05 0.00 2.19 0.07 0.08 36.60 Average: 2 64.33 0.00 2.43 0.04 0.08 33.11 Average: 3 63.21 0.00 2.29 0.05 0.08 34.37