---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10139 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: 5600.00 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 68G 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 678 10534 4 4776 14968 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:0b:83:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84701sec preferred_lft 84701sec inet6 fe80::f816:3eff:fe0b:83d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:91:92:74:7a:0c 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-10139) 05/01/26 _x86_64_ (4 CPU) 14:38:28 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:06 19.09 2.82 15.29 0.99 162.86 3911.78 1202.43 15:00:01 22.46 0.81 19.09 2.56 27.61 3527.66 7258.28 Average: 20.76 1.82 17.17 1.77 95.75 3721.19 4207.20 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:06 10797344 13908908 2052944 12.54 124540 3128708 2657104 15.25 528500 4680488 26792 15:00:01 9038076 13200660 2752488 16.81 166372 4049732 2966996 17.03 778956 6101560 97112 Average: 9917710 13554784 2402716 14.67 145456 3589220 2812050 16.14 653728 5391024 61952 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:06 lo 0.87 0.87 0.10 0.10 0.00 0.00 0.00 0.00 14:50:06 ens3 94.46 75.66 730.53 16.74 0.00 0.00 0.00 0.00 14:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1058.92 1058.92 1009.07 1009.07 0.00 0.00 0.00 0.00 15:00:01 ens3 85.06 66.48 373.91 18.77 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 525.85 525.85 500.73 500.73 0.00 0.00 0.00 0.00 Average: ens3 89.79 71.10 553.59 17.75 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-10139) 05/01/26 _x86_64_ (4 CPU) 14:38:28 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:06 all 39.94 0.00 1.36 0.16 0.06 58.47 14:50:06 0 39.52 0.00 1.40 0.10 0.06 58.93 14:50:06 1 39.54 0.00 1.66 0.25 0.06 58.49 14:50:06 2 41.11 0.00 1.19 0.07 0.07 57.56 14:50:06 3 39.60 0.00 1.21 0.23 0.06 58.90 15:00:01 all 70.85 0.00 2.56 0.07 0.10 26.43 15:00:01 0 70.62 0.00 2.39 0.05 0.10 26.85 15:00:01 1 71.80 0.00 2.87 0.07 0.10 25.17 15:00:01 2 72.37 0.00 2.53 0.05 0.10 24.95 15:00:01 3 68.61 0.00 2.46 0.09 0.10 28.75 Average: all 55.27 0.00 1.96 0.11 0.08 42.58 Average: 0 54.95 0.00 1.89 0.08 0.08 43.00 Average: 1 55.52 0.00 2.26 0.16 0.08 41.98 Average: 2 56.61 0.00 1.85 0.06 0.08 41.39 Average: 3 53.98 0.00 1.83 0.16 0.08 43.95