---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34823 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 667 10437 4 4884 14979 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:c4:ec:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84721sec preferred_lft 84721sec inet6 fe80::f816:3eff:fec4:ecff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:c4:97:a7:2c:07 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-34823) 07/11/26 _x86_64_ (4 CPU) 14:38:50 LINUX RESTART (4 CPU) 14:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:16 18.73 2.86 15.02 0.85 162.84 4043.29 1660.83 15:00:01 25.21 0.82 21.53 2.86 28.07 3634.77 3950.64 Average: 21.93 1.85 18.24 1.84 96.31 3841.63 2791.14 14:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:16 10854840 14077904 1883212 11.50 125312 3231936 2216944 12.73 533428 4617620 25468 15:00:01 8681924 12986068 2965772 18.11 168080 4180572 3163876 18.16 793864 6431392 121060 Average: 9768382 13531986 2424492 14.81 146696 3706254 2690410 15.44 663646 5524506 73264 14:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:16 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 14:50:16 ens3 93.86 74.52 756.08 16.43 0.00 0.00 0.00 0.00 14:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1214.89 1214.89 1157.83 1157.83 0.00 0.00 0.00 0.00 15:00:01 ens3 93.37 69.06 385.79 19.32 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 600.14 600.14 571.58 571.58 0.00 0.00 0.00 0.00 Average: ens3 93.62 71.83 573.30 17.86 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-34823) 07/11/26 _x86_64_ (4 CPU) 14:38:50 LINUX RESTART (4 CPU) 14:40:16 CPU %user %nice %system %iowait %steal %idle 14:50:16 all 41.11 0.00 1.41 0.10 0.06 57.31 14:50:16 0 41.51 0.00 1.22 0.05 0.07 57.15 14:50:16 1 42.99 0.00 1.63 0.16 0.07 55.15 14:50:16 2 38.86 0.00 1.39 0.12 0.06 59.57 14:50:16 3 41.09 0.00 1.41 0.05 0.07 57.38 15:00:01 all 71.32 0.00 2.63 0.06 0.09 25.91 15:00:01 0 69.32 0.00 2.24 0.09 0.09 28.26 15:00:01 1 72.16 0.00 2.84 0.04 0.09 24.87 15:00:01 2 70.51 0.00 2.59 0.04 0.09 26.77 15:00:01 3 73.28 0.00 2.84 0.05 0.09 23.73 Average: all 56.01 0.00 2.01 0.08 0.08 41.82 Average: 0 55.22 0.00 1.72 0.07 0.08 42.91 Average: 1 57.39 0.00 2.23 0.10 0.08 40.21 Average: 2 54.47 0.00 1.98 0.08 0.08 43.39 Average: 3 56.96 0.00 2.12 0.05 0.08 40.79