---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10426 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 9.9G 68G 13% / 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 705 10886 4 4396 14940 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:65:83:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84724sec preferred_lft 84724sec inet6 fe80::f816:3eff:fe65:8359/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:f7:04:10:06:47 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-10426) 05/02/26 _x86_64_ (4 CPU) 20:53:17 LINUX RESTART (4 CPU) 21:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 43.65 2.58 34.49 6.58 143.12 4116.35 15092.17 21:20:07 32.44 0.30 26.17 5.97 11.71 3466.48 6509.26 Average: 37.99 1.43 30.29 6.27 76.72 3788.00 10755.59 21:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10510596 13894772 2064416 12.61 153172 3355208 2233244 12.82 624360 4819524 27016 21:20:07 11214072 15352924 600324 3.67 196628 4005408 1117800 6.42 844860 3821088 4 Average: 10862334 14623848 1332370 8.14 174900 3680308 1675522 9.62 734610 4320306 13510 21:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 3848.62 3848.62 3670.89 3670.89 0.00 0.00 0.00 0.00 21:10:01 ens3 162.88 122.04 772.47 31.40 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:07 lo 2506.22 2506.22 2371.87 2371.87 0.00 0.00 0.00 0.00 21:20:07 ens3 133.10 124.27 126.88 172.45 0.00 0.00 0.00 0.00 21:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3170.36 3170.36 3014.55 3014.55 0.00 0.00 0.00 0.00 Average: ens3 147.83 123.16 446.28 102.66 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-10426) 05/02/26 _x86_64_ (4 CPU) 20:53:17 LINUX RESTART (4 CPU) 21:00:08 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 57.74 0.00 3.37 0.09 0.09 38.71 21:10:01 0 58.27 0.00 3.44 0.15 0.09 38.06 21:10:01 1 57.33 0.00 3.53 0.09 0.09 38.96 21:10:01 2 57.10 0.00 3.53 0.09 0.09 39.19 21:10:01 3 58.28 0.00 2.96 0.04 0.09 38.63 21:20:07 all 44.17 0.00 2.45 0.08 0.08 53.22 21:20:07 0 41.42 0.00 2.42 0.07 0.08 56.00 21:20:07 1 39.93 0.00 2.58 0.06 0.08 57.36 21:20:07 2 45.26 0.00 2.45 0.10 0.08 52.11 21:20:07 3 50.07 0.00 2.37 0.08 0.08 47.40 Average: all 50.88 0.00 2.90 0.08 0.09 46.05 Average: 0 49.75 0.00 2.92 0.11 0.09 47.13 Average: 1 48.53 0.00 3.05 0.07 0.09 48.27 Average: 2 51.11 0.00 2.98 0.09 0.09 45.73 Average: 3 54.12 0.00 2.66 0.06 0.09 43.07