---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12263 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 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 675 10487 4 4826 14970 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:0c:96:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84492sec preferred_lft 84492sec inet6 fe80::f816:3eff:fe0c:969b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:0f:dc:b4:7e:92 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-12263) 05/09/26 _x86_64_ (4 CPU) 15:22:31 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:07 11.58 0.49 9.96 1.14 18.63 2202.91 3086.62 15:50:01 29.74 0.72 24.89 4.13 23.73 3687.18 2042.36 Average: 20.58 0.60 17.36 2.62 21.16 2938.41 2569.16 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:07 9894080 13568484 2387528 14.58 150404 3618932 2624296 15.06 687404 5369012 25972 15:50:01 10812656 15394632 555724 3.39 174048 4444904 1099212 6.31 929640 4141372 8 Average: 10353368 14481558 1471626 8.99 162226 4031918 1861754 10.69 808522 4755192 12990 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:07 lo 1.48 1.48 0.15 0.15 0.00 0.00 0.00 0.00 15:40:07 ens3 71.66 55.63 102.01 18.65 0.00 0.00 0.00 0.00 15:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 1581.70 1581.70 1499.27 1499.27 0.00 0.00 0.00 0.00 15:50:01 ens3 90.37 78.52 405.57 102.97 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 784.53 784.53 743.01 743.01 0.00 0.00 0.00 0.00 Average: ens3 80.93 66.98 252.43 60.43 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-12263) 05/09/26 _x86_64_ (4 CPU) 15:22:31 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:07 all 71.78 0.00 2.27 0.03 0.10 25.82 15:40:07 0 71.88 0.00 2.64 0.03 0.10 25.35 15:40:07 1 71.82 0.00 2.23 0.03 0.10 25.83 15:40:07 2 73.24 0.00 2.29 0.03 0.10 24.34 15:40:07 3 70.18 0.00 1.95 0.01 0.09 27.76 15:50:01 all 38.05 0.00 1.90 0.07 0.07 59.91 15:50:01 0 37.89 0.00 1.76 0.05 0.07 60.23 15:50:01 1 36.03 0.00 1.66 0.09 0.06 62.16 15:50:01 2 34.62 0.00 1.91 0.11 0.07 63.29 15:50:01 3 43.66 0.00 2.27 0.04 0.07 53.95 Average: all 55.05 0.00 2.09 0.05 0.08 42.72 Average: 0 55.02 0.00 2.20 0.04 0.08 42.65 Average: 1 54.08 0.00 1.95 0.06 0.08 43.84 Average: 2 54.07 0.00 2.10 0.07 0.08 43.67 Average: 3 57.05 0.00 2.11 0.03 0.08 40.74