---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4345 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 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 616 10655 4 4716 15030 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:00:75:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84401sec preferred_lft 84401sec inet6 fe80::f816:3eff:fe00:75bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:32:bb:dc:7f:60 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-4345) 04/18/26 _x86_64_ (4 CPU) 21:32:40 LINUX RESTART (4 CPU) 21:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:11 11.36 1.89 8.70 0.76 122.45 2609.38 1449.82 22:00:01 27.94 0.78 23.53 3.62 28.45 3269.83 6259.31 Average: 19.53 1.35 16.01 2.17 76.12 2934.92 3820.44 21:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:11 11046436 14253116 1708112 10.43 130300 3209324 2091096 12.00 544996 4406288 27076 22:00:01 8613328 12960020 2992480 18.28 166640 4229368 3576448 20.53 852848 6443216 309132 Average: 9829882 13606568 2350296 14.35 148470 3719346 2833772 16.27 698922 5424752 168104 21:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:11 lo 0.97 0.97 0.10 0.10 0.00 0.00 0.00 0.00 21:50:11 ens3 79.56 65.63 614.94 16.57 0.00 0.00 0.00 0.00 21:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 lo 1541.23 1541.23 1468.64 1468.64 0.00 0.00 0.00 0.00 22:00:01 ens3 81.20 61.48 419.85 19.66 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 760.17 760.17 723.95 723.95 0.00 0.00 0.00 0.00 Average: ens3 80.37 63.59 518.78 18.09 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-4345) 04/18/26 _x86_64_ (4 CPU) 21:32:40 LINUX RESTART (4 CPU) 21:40:03 CPU %user %nice %system %iowait %steal %idle 21:50:11 all 47.54 0.00 1.57 0.04 0.07 50.78 21:50:11 0 46.92 0.00 1.61 0.03 0.06 51.38 21:50:11 1 47.90 0.00 1.56 0.04 0.06 50.44 21:50:11 2 47.02 0.00 1.71 0.02 0.07 51.18 21:50:11 3 48.32 0.00 1.42 0.08 0.07 50.12 22:00:01 all 68.07 0.00 2.77 0.06 0.09 29.02 22:00:01 0 66.97 0.00 2.81 0.06 0.09 30.07 22:00:01 1 66.02 0.00 2.22 0.03 0.09 31.64 22:00:01 2 69.37 0.00 3.04 0.05 0.09 27.46 22:00:01 3 69.92 0.00 3.01 0.08 0.09 26.90 Average: all 57.65 0.00 2.16 0.05 0.08 40.06 Average: 0 56.80 0.00 2.20 0.04 0.08 40.88 Average: 1 56.83 0.00 1.88 0.04 0.07 41.18 Average: 2 58.03 0.00 2.36 0.04 0.08 39.49 Average: 3 58.96 0.00 2.20 0.08 0.08 38.69