---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11461 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 12G 67G 15% / 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 692 9559 4 5737 14954 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:8a:b4:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84545sec preferred_lft 84545sec inet6 fe80::f816:3eff:fe8a:b488/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:0e:e9:80:0f:ee 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-11461) 05/06/26 _x86_64_ (4 CPU) 15:47:20 LINUX RESTART (4 CPU) 15:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:08 27.64 2.86 22.71 2.07 353.99 5323.52 5610.02 16:10:09 32.60 0.04 29.33 3.23 1.39 4971.93 12608.92 Average: 30.13 1.45 26.02 2.65 177.57 5147.60 9111.86 15:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:08 9700124 13503300 2452404 14.98 156332 3737196 2787412 16.00 774580 5467116 19844 16:10:09 8138724 13404044 2544912 15.54 189180 5091988 2783904 15.98 1086712 6640116 355796 Average: 8919424 13453672 2498658 15.26 172756 4414592 2785658 15.99 930646 6053616 187820 15:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:08 lo 857.17 857.17 816.75 816.75 0.00 0.00 0.00 0.00 16:00:08 ens3 109.69 84.53 875.17 17.79 0.00 0.00 0.00 0.00 16:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:09 lo 1413.44 1413.44 1347.13 1347.13 0.00 0.00 0.00 0.00 16:10:09 ens3 64.11 47.94 234.79 13.23 0.00 0.00 0.00 0.00 16:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1135.49 1135.49 1082.12 1082.12 0.00 0.00 0.00 0.00 Average: ens3 86.89 66.23 554.76 15.51 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-11461) 05/06/26 _x86_64_ (4 CPU) 15:47:20 LINUX RESTART (4 CPU) 15:50:09 CPU %user %nice %system %iowait %steal %idle 16:00:08 all 63.35 0.00 2.21 0.10 0.09 34.24 16:00:08 0 62.22 0.00 2.28 0.10 0.09 35.30 16:00:08 1 65.68 0.00 2.29 0.06 0.09 31.88 16:00:08 2 62.67 0.00 2.26 0.07 0.09 34.91 16:00:08 3 62.82 0.00 2.03 0.17 0.09 34.89 16:10:09 all 56.10 0.00 2.41 0.07 0.10 41.32 16:10:09 0 52.95 0.00 2.24 0.11 0.10 44.60 16:10:09 1 56.14 0.00 2.31 0.06 0.10 41.39 16:10:09 2 57.45 0.00 2.50 0.04 0.10 39.91 16:10:09 3 57.87 0.00 2.60 0.06 0.10 39.37 Average: all 59.72 0.00 2.31 0.08 0.10 37.78 Average: 0 57.58 0.00 2.26 0.11 0.10 39.95 Average: 1 60.91 0.00 2.30 0.06 0.10 36.63 Average: 2 60.06 0.00 2.38 0.06 0.09 37.41 Average: 3 60.35 0.00 2.32 0.11 0.09 37.13