---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36472 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 13G 65G 17% / 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 666 8277 4 7045 14979 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:47:77:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83684sec preferred_lft 83684sec inet6 fe80::f816:3eff:fe47:77ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:14:30:19:f4:e8 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-36472) 07/16/26 _x86_64_ (4 CPU) 19:01:33 LINUX RESTART (4 CPU) 19:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:05 20.00 0.07 17.32 2.60 6.76 2011.72 3126.37 19:30:01 33.89 0.01 30.32 3.55 0.13 2473.95 32114.53 19:40:10 4.49 0.02 4.27 0.20 0.32 2731.57 2057.38 Average: 19.35 0.03 17.22 2.10 2.37 2409.50 12396.77 19:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:05 9200876 12901796 3055180 18.66 143480 3665532 3466732 19.90 708200 6063168 24064 19:30:01 8688488 12778760 3175344 19.39 166892 4003404 3180476 18.26 821300 6403964 25632 19:40:10 7896584 12668380 3283608 20.05 167804 4661744 3549792 20.38 1025676 6999488 5900 Average: 8595316 12782979 3171377 19.37 159392 4110227 3399000 19.51 851725 6488873 18532 19:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:05 lo 1266.14 1266.14 1200.07 1200.07 0.00 0.00 0.00 0.00 19:20:05 ens3 42.03 35.26 45.05 11.68 0.00 0.00 0.00 0.00 19:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1397.80 1397.80 1331.71 1331.71 0.00 0.00 0.00 0.00 19:30:01 ens3 41.39 31.70 22.18 11.21 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:10 lo 2523.72 2523.72 9166.83 9166.83 0.00 0.00 0.00 0.00 19:40:10 ens3 10.89 7.89 7.84 2.87 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1736.47 1736.47 3946.18 3946.18 0.00 0.00 0.00 0.00 Average: ens3 31.25 24.79 24.83 8.54 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-36472) 07/16/26 _x86_64_ (4 CPU) 19:01:33 LINUX RESTART (4 CPU) 19:10:15 CPU %user %nice %system %iowait %steal %idle 19:20:05 all 63.85 0.00 2.27 0.75 0.12 33.01 19:20:05 0 63.88 0.00 2.20 0.77 0.12 33.03 19:20:05 1 62.16 0.00 2.29 0.71 0.12 34.72 19:20:05 2 66.56 0.00 2.25 0.13 0.13 30.93 19:20:05 3 62.80 0.00 2.33 1.40 0.13 33.35 19:30:01 all 62.71 0.00 2.65 1.14 0.13 33.36 19:30:01 0 61.24 0.00 2.54 0.21 0.13 35.88 19:30:01 1 64.11 0.00 3.01 0.74 0.13 32.01 19:30:01 2 64.94 0.00 2.72 0.97 0.14 31.23 19:30:01 3 60.55 0.00 2.34 2.65 0.13 34.32 19:40:10 all 32.31 0.00 1.19 0.33 0.09 66.07 19:40:10 0 37.09 0.00 1.39 0.67 0.09 60.76 19:40:10 1 33.99 0.00 0.70 0.14 0.09 65.08 19:40:10 2 31.82 0.00 1.19 0.31 0.10 66.58 19:40:10 3 26.36 0.00 1.48 0.20 0.08 71.87 Average: all 52.77 0.00 2.03 0.74 0.12 44.35 Average: 0 53.91 0.00 2.04 0.55 0.11 43.39 Average: 1 53.24 0.00 1.99 0.52 0.11 44.13 Average: 2 54.23 0.00 2.05 0.47 0.12 43.13 Average: 3 49.68 0.00 2.05 1.41 0.12 46.75