---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35742 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 661 10498 4 4828 14985 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:2c:02:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84651sec preferred_lft 84651sec inet6 fe80::f816:3eff:fe2c:2cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:32:d3:d7:49:91 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-35742) 07/14/26 _x86_64_ (4 CPU) 11:34:31 LINUX RESTART (4 CPU) 11:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:08 15.16 2.23 11.78 1.15 136.22 3225.72 2214.41 12:00:00 29.75 0.64 24.72 4.38 25.42 4217.84 9486.12 Average: 22.38 1.44 18.18 2.75 81.40 3716.59 5812.24 11:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:08 10276172 13816416 2141508 13.08 142828 3498644 2393392 13.74 615436 5053172 49124 12:00:00 10792812 15377280 573524 3.50 172232 4442788 1106644 6.35 895600 4177108 36 Average: 10534492 14596848 1357516 8.29 157530 3970716 1750018 10.05 755518 4615140 24580 11:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:08 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 11:50:08 ens3 92.20 71.41 450.21 19.82 0.00 0.00 0.00 0.00 11:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:00 lo 1638.56 1638.56 1554.74 1554.74 0.00 0.00 0.00 0.00 12:00:00 ens3 104.31 83.66 416.30 89.20 0.00 0.00 0.00 0.00 12:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 811.42 811.42 769.31 769.31 0.00 0.00 0.00 0.00 Average: ens3 98.19 77.47 433.44 54.15 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-35742) 07/14/26 _x86_64_ (4 CPU) 11:34:31 LINUX RESTART (4 CPU) 11:40:03 CPU %user %nice %system %iowait %steal %idle 11:50:08 all 72.79 0.00 2.29 0.05 0.10 24.77 11:50:08 0 72.77 0.00 2.39 0.03 0.10 24.70 11:50:08 1 71.97 0.00 2.37 0.05 0.10 25.49 11:50:08 2 73.43 0.00 2.19 0.07 0.10 24.20 11:50:08 3 72.99 0.00 2.20 0.02 0.10 24.68 12:00:00 all 57.03 0.00 2.48 0.18 0.10 40.22 12:00:00 0 57.93 0.00 2.49 0.14 0.10 39.34 12:00:00 1 53.53 0.00 2.71 0.11 0.10 43.55 12:00:00 2 58.39 0.00 2.36 0.11 0.10 39.04 12:00:00 3 58.26 0.00 2.37 0.34 0.10 38.93 Average: all 64.99 0.00 2.38 0.11 0.10 32.41 Average: 0 65.43 0.00 2.44 0.09 0.10 31.94 Average: 1 62.84 0.00 2.54 0.08 0.10 34.44 Average: 2 65.99 0.00 2.27 0.09 0.10 31.55 Average: 3 65.70 0.00 2.28 0.18 0.10 31.73