---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20731 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 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 688 10493 4 4807 14958 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:39:93:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84616sec preferred_lft 84616sec inet6 fe80::f816:3eff:fe39:9351/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:38:86:05:96:eb 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-20731) 05/27/26 _x86_64_ (4 CPU) 15:26:32 LINUX RESTART (4 CPU) 15:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 12.50 2.02 9.64 0.84 130.15 2807.40 2137.26 15:50:19 39.97 0.77 22.37 16.83 27.42 4014.14 235884.24 Average: 26.65 1.37 16.20 9.08 77.24 3428.93 122528.00 15:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10773292 14085772 1874232 11.45 129264 3309884 2090368 12.00 549300 4667592 22448 15:50:19 8377976 12826852 3124728 19.08 165152 4327348 3438156 19.73 860152 6652960 23736 Average: 9575634 13456312 2499480 15.27 147208 3818616 2764262 15.87 704726 5660276 23092 15:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.15 1.15 0.11 0.11 0.00 0.00 0.00 0.00 15:40:01 ens3 90.12 74.31 632.28 18.12 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:19 lo 1461.66 1461.66 1393.44 1393.44 0.00 0.00 0.00 0.00 15:50:19 ens3 95.72 68.17 413.56 17.56 0.00 0.00 0.00 0.00 15:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 753.38 753.38 717.74 717.74 0.00 0.00 0.00 0.00 Average: ens3 93.01 71.15 519.63 17.83 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-20731) 05/27/26 _x86_64_ (4 CPU) 15:26:32 LINUX RESTART (4 CPU) 15:30:19 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 59.68 0.00 2.00 0.13 0.16 38.03 15:40:01 0 58.19 0.00 2.03 0.07 0.16 39.55 15:40:01 1 60.19 0.00 2.13 0.36 0.15 37.17 15:40:01 2 61.60 0.00 2.04 0.04 0.17 36.15 15:40:01 3 58.73 0.00 1.83 0.04 0.16 39.23 15:50:19 all 68.67 0.00 2.78 0.10 0.15 28.30 15:50:19 0 66.33 0.00 3.11 0.16 0.14 30.26 15:50:19 1 69.86 0.00 2.77 0.04 0.15 27.17 15:50:19 2 69.45 0.00 2.87 0.09 0.14 27.44 15:50:19 3 69.02 0.00 2.37 0.12 0.14 28.34 Average: all 64.31 0.00 2.40 0.11 0.15 33.02 Average: 0 62.38 0.00 2.58 0.12 0.15 34.77 Average: 1 65.17 0.00 2.46 0.19 0.15 32.02 Average: 2 65.64 0.00 2.47 0.06 0.16 31.67 Average: 3 64.03 0.00 2.11 0.08 0.15 33.63