---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-350513 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 67G 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 614 10516 4 4858 15032 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:d4:9f:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84661sec preferred_lft 84661sec inet6 fe80::f816:3eff:fed4:9faf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:e5:1f:b7:42:44 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-350513) 03/09/26 _x86_64_ (4 CPU) 15:57:03 LINUX RESTART (4 CPU) 16:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 24.40 0.46 21.12 2.82 21.26 2944.47 5805.49 16:20:01 31.20 0.02 28.02 3.17 0.25 2642.11 15073.63 Average: 27.80 0.24 24.57 2.99 10.76 2793.31 10438.83 16:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 9996560 13457636 2501160 15.28 136364 3449596 2663492 15.29 680676 5313308 35468 16:20:01 8534896 13102620 2851352 17.41 162052 4479916 3203628 18.39 997556 6402940 655644 Average: 9265728 13280128 2676256 16.35 149208 3964756 2933560 16.84 839116 5858124 345556 16:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1478.00 1478.00 1402.45 1402.45 0.00 0.00 0.00 0.00 16:10:01 ens3 36.88 31.93 57.30 14.32 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 1373.29 1373.29 1307.79 1307.79 0.00 0.00 0.00 0.00 16:20:01 ens3 30.84 26.65 47.05 8.21 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1425.65 1425.65 1355.13 1355.13 0.00 0.00 0.00 0.00 Average: ens3 33.86 29.29 52.17 11.27 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-350513) 03/09/26 _x86_64_ (4 CPU) 15:57:03 LINUX RESTART (4 CPU) 16:00:01 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 69.61 0.00 2.40 0.05 0.11 27.82 16:10:01 0 70.02 0.00 2.06 0.05 0.10 27.76 16:10:01 1 70.78 0.00 2.53 0.04 0.11 26.54 16:10:01 2 69.00 0.00 2.70 0.05 0.11 28.14 16:10:01 3 68.67 0.00 2.32 0.06 0.11 28.85 16:20:01 all 63.98 0.00 2.54 0.07 0.10 33.31 16:20:01 0 64.98 0.00 2.60 0.07 0.11 32.24 16:20:01 1 63.51 0.00 2.66 0.06 0.10 33.68 16:20:01 2 64.76 0.00 2.49 0.04 0.10 32.61 16:20:01 3 62.67 0.00 2.40 0.12 0.10 34.72 Average: all 66.80 0.00 2.47 0.06 0.10 30.57 Average: 0 67.50 0.00 2.33 0.06 0.11 30.00 Average: 1 67.15 0.00 2.59 0.05 0.10 30.11 Average: 2 66.88 0.00 2.60 0.05 0.10 30.37 Average: 3 65.67 0.00 2.36 0.09 0.10 31.78