---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15500 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 9.2G 69G 12% / 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 639 11697 4 3652 15007 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:6e:6a:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84915sec preferred_lft 84915sec inet6 fe80::f816:3eff:fe6e:6afa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:b0:6f:4a:33:c3 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-15500) 03/23/26 _x86_64_ (4 CPU) 19:06:46 LINUX RESTART (4 CPU) 19:10:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:09 12.45 2.65 9.32 0.48 756.87 2687.93 3931.39 19:30:06 3.23 0.07 3.06 0.10 6.75 463.20 24.81 Average: 7.76 1.34 6.14 0.29 375.53 1556.93 1945.39 19:10:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:09 10666432 13903656 2059328 12.58 114112 3289588 2283024 13.10 675588 4699316 3868 19:30:06 9168420 12532420 3429360 20.95 118332 3401980 3552516 20.39 703216 6131356 292 Average: 9917426 13218038 2744344 16.76 116222 3345784 2917770 16.75 689402 5415336 2080 19:10:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:09 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 19:20:09 ens3 84.47 63.43 779.45 6.90 0.00 0.00 0.00 0.00 19:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:06 lo 0.54 0.54 0.37 0.37 0.00 0.00 0.00 0.00 19:30:06 ens3 8.41 6.36 35.91 1.39 0.00 0.00 0.00 0.00 19:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 45.80 34.42 401.45 4.10 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-15500) 03/23/26 _x86_64_ (4 CPU) 19:06:46 LINUX RESTART (4 CPU) 19:10:31 CPU %user %nice %system %iowait %steal %idle 19:20:09 all 39.80 0.00 0.94 0.09 0.07 59.10 19:20:09 0 36.44 0.00 0.96 0.15 0.07 62.38 19:20:09 1 46.65 0.00 0.86 0.04 0.07 52.38 19:20:09 2 40.89 0.00 0.76 0.09 0.07 58.19 19:20:09 3 35.23 0.00 1.15 0.09 0.07 63.46 19:30:06 all 43.66 0.00 0.52 0.02 0.06 55.74 19:30:06 0 34.17 0.00 0.55 0.02 0.07 65.20 19:30:06 1 27.03 0.00 0.43 0.03 0.06 72.46 19:30:06 2 32.29 0.00 0.51 0.01 0.06 67.14 19:30:06 3 81.23 0.00 0.57 0.02 0.08 18.10 Average: all 41.77 0.00 0.72 0.05 0.07 57.39 Average: 0 35.28 0.00 0.75 0.08 0.07 63.82 Average: 1 36.67 0.00 0.64 0.03 0.06 62.60 Average: 2 36.52 0.00 0.64 0.05 0.06 62.74 Average: 3 58.63 0.00 0.86 0.05 0.07 40.39