---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53482 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 12G 66G 16% / 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 673 8804 4 6511 14973 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:18:4d:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84387sec preferred_lft 84387sec inet6 fe80::f816:3eff:fe18:4d04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:47:22:eb:b4:be 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-53482) 03/27/26 _x86_64_ (4 CPU) 10:11:09 LINUX RESTART (4 CPU) 10:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:10 23.94 0.02 21.31 2.61 0.24 2661.33 10434.37 10:40:01 20.91 0.03 18.96 1.92 0.72 3829.92 9402.70 Average: 22.44 0.03 20.15 2.27 0.48 3240.94 9922.68 10:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:10 8911116 12624924 3332416 20.35 145872 3675716 3430260 19.69 728108 6326340 24072 10:40:01 5365388 9939244 6014220 36.73 160308 4485620 5734916 32.92 991256 9538536 196 Average: 7138252 11282084 4673318 28.54 153090 4080668 4582588 26.30 859682 7932438 12134 10:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:10 lo 1322.71 1322.71 1260.24 1260.24 0.00 0.00 0.00 0.00 10:30:10 ens3 24.59 20.73 34.49 6.38 0.00 0.00 0.00 0.00 10:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 928.08 928.08 5376.77 5376.77 0.00 0.00 0.00 0.00 10:40:01 ens3 15.64 13.21 17.27 4.77 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1126.98 1126.98 3301.99 3301.99 0.00 0.00 0.00 0.00 Average: ens3 20.15 17.00 25.95 5.58 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-53482) 03/27/26 _x86_64_ (4 CPU) 10:11:09 LINUX RESTART (4 CPU) 10:20:10 CPU %user %nice %system %iowait %steal %idle 10:30:10 all 63.14 0.00 2.19 2.30 0.11 32.25 10:30:10 0 63.66 0.00 2.08 1.44 0.11 32.71 10:30:10 1 62.96 0.00 2.13 1.07 0.11 33.73 10:30:10 2 64.67 0.00 2.34 5.24 0.11 27.64 10:30:10 3 61.29 0.00 2.23 1.45 0.12 34.92 10:40:01 all 48.06 0.00 1.80 0.91 0.09 49.14 10:40:01 0 48.17 0.00 1.98 0.63 0.09 49.14 10:40:01 1 48.76 0.00 1.64 0.90 0.09 48.61 10:40:01 2 49.15 0.00 1.71 0.77 0.09 48.28 10:40:01 3 46.16 0.00 1.86 1.37 0.09 50.53 Average: all 55.66 0.00 2.00 1.61 0.10 40.63 Average: 0 55.97 0.00 2.03 1.04 0.10 40.87 Average: 1 55.91 0.00 1.88 0.99 0.10 41.12 Average: 2 56.97 0.00 2.03 3.02 0.10 37.89 Average: 3 53.79 0.00 2.04 1.41 0.10 42.66