---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8626 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 642 10516 4 4830 15004 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:ae:09:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84957sec preferred_lft 84957sec inet6 fe80::f816:3eff:feae:9e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:b3:b6:4c:dc:2d 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-8626) 04/27/26 _x86_64_ (4 CPU) 16:37:50 LINUX RESTART (4 CPU) 16:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:13 9.29 1.65 7.44 0.19 118.94 2504.88 40.73 17:00:10 18.84 0.52 16.93 1.39 19.07 2430.61 4913.56 Average: 14.01 1.09 12.13 0.79 69.52 2468.13 2451.72 16:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:13 9604148 12592304 3371344 20.59 111152 3043184 3551016 20.38 478864 5943572 712 17:00:10 9115864 12843032 3115888 19.03 132072 3720048 3294760 18.91 704428 6166792 253848 Average: 9360006 12717668 3243616 19.81 121612 3381616 3422888 19.65 591646 6055182 127280 16:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:13 lo 0.67 0.67 0.38 0.38 0.00 0.00 0.00 0.00 16:50:13 ens3 28.78 23.93 256.75 3.83 0.00 0.00 0.00 0.00 16:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:10 lo 525.36 525.36 500.34 500.34 0.00 0.00 0.00 0.00 17:00:10 ens3 41.55 29.99 437.15 4.16 0.00 0.00 0.00 0.00 17:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 260.27 260.27 247.75 247.75 0.00 0.00 0.00 0.00 Average: ens3 35.10 26.93 346.01 3.99 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-8626) 04/27/26 _x86_64_ (4 CPU) 16:37:50 LINUX RESTART (4 CPU) 16:40:03 CPU %user %nice %system %iowait %steal %idle 16:50:13 all 51.25 0.00 0.87 0.06 0.10 47.73 16:50:13 0 46.33 0.00 0.71 0.05 0.10 52.82 16:50:13 1 53.58 0.00 0.97 0.06 0.10 45.29 16:50:13 2 49.11 0.00 0.86 0.02 0.10 49.91 16:50:13 3 55.98 0.00 0.94 0.10 0.10 42.89 17:00:10 all 57.43 0.00 1.36 0.13 0.10 40.99 17:00:10 0 68.53 0.00 1.31 0.06 0.11 29.99 17:00:10 1 61.36 0.00 1.58 0.11 0.10 36.86 17:00:10 2 51.01 0.00 1.15 0.07 0.09 47.67 17:00:10 3 48.81 0.00 1.40 0.26 0.10 49.44 Average: all 54.30 0.00 1.11 0.09 0.10 44.40 Average: 0 57.30 0.00 1.01 0.05 0.10 41.55 Average: 1 57.43 0.00 1.27 0.09 0.10 41.12 Average: 2 50.05 0.00 1.00 0.05 0.10 48.80 Average: 3 52.43 0.00 1.16 0.18 0.10 46.12