---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15784 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 732 9426 4 5830 14914 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:96:99:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84482sec preferred_lft 84482sec inet6 fe80::f816:3eff:fe96:9973/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:ed:11:d7:e6:6d 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-15784) 05/16/26 _x86_64_ (4 CPU) 15:47:19 LINUX RESTART (4 CPU) 15:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:10 25.65 3.03 20.80 1.83 548.12 5015.15 7161.36 16:10:01 32.00 0.04 28.47 3.48 1.31 3097.55 32758.99 Average: 28.80 1.55 24.61 2.65 276.99 4064.35 19853.43 15:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:10 8634680 12682772 3272692 19.99 156736 3974692 3518928 20.20 864740 6445044 180320 16:10:01 8651908 13066616 2885504 17.62 181772 4280252 3171696 18.21 991508 6262472 12576 Average: 8643294 12874694 3079098 18.81 169254 4127472 3345312 19.20 928124 6353758 96448 15:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:10 lo 835.11 835.11 795.89 795.89 0.00 0.00 0.00 0.00 16:00:10 ens3 111.53 85.70 950.28 18.21 0.00 0.00 0.00 0.00 16:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1492.68 1492.68 1422.28 1422.28 0.00 0.00 0.00 0.00 16:10:01 ens3 36.83 31.03 140.33 9.93 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1161.15 1161.15 1106.47 1106.47 0.00 0.00 0.00 0.00 Average: ens3 74.49 58.59 548.69 14.10 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-15784) 05/16/26 _x86_64_ (4 CPU) 15:47:19 LINUX RESTART (4 CPU) 15:50:09 CPU %user %nice %system %iowait %steal %idle 16:00:10 all 59.14 0.00 2.09 0.31 0.11 38.35 16:00:10 0 57.37 0.00 1.95 0.85 0.12 39.71 16:00:10 1 57.80 0.00 1.99 0.05 0.11 40.05 16:00:10 2 60.78 0.00 2.27 0.09 0.11 36.75 16:00:10 3 60.62 0.00 2.14 0.25 0.11 36.88 16:10:01 all 56.82 0.00 2.34 0.06 0.12 40.66 16:10:01 0 55.82 0.00 2.12 0.04 0.12 41.91 16:10:01 1 57.13 0.00 2.55 0.04 0.12 40.15 16:10:01 2 56.71 0.00 2.47 0.09 0.11 40.62 16:10:01 3 57.63 0.00 2.22 0.06 0.11 39.98 Average: all 57.99 0.00 2.21 0.18 0.11 39.50 Average: 0 56.60 0.00 2.03 0.45 0.12 40.80 Average: 1 57.47 0.00 2.27 0.05 0.11 40.10 Average: 2 58.77 0.00 2.37 0.09 0.11 38.67 Average: 3 59.14 0.00 2.18 0.16 0.11 38.41