---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15997 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 673 10196 4 5119 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:cf:e4:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84827sec preferred_lft 84827sec inet6 fe80::f816:3eff:fecf:e415/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:8b:6b:57:db:75 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15997) 02/19/26 _x86_64_ (4 CPU) 10:16:59 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:12 13.19 1.28 11.23 0.68 644.74 2649.42 32745.09 10:40:02 9.87 0.54 8.81 0.52 19.84 1665.11 1635.21 Average: 11.56 0.92 10.04 0.60 337.81 2165.97 17465.29 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:12 8725424 12039636 3921912 23.95 118336 3355872 4108728 23.58 689696 6607048 828 10:40:02 8861968 12867100 3090212 18.87 136024 3990784 3321468 19.07 883920 6240576 267940 Average: 8793696 12453368 3506062 21.41 127180 3673328 3715098 21.32 786808 6423812 134384 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:12 lo 0.70 0.70 0.38 0.38 0.00 0.00 0.00 0.00 10:30:12 ens3 29.60 20.20 376.69 3.31 0.00 0.00 0.00 0.00 10:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:02 lo 193.46 193.46 184.04 184.04 0.00 0.00 0.00 0.00 10:40:02 ens3 39.91 27.74 416.27 3.59 0.00 0.00 0.00 0.00 10:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 95.37 95.37 90.59 90.59 0.00 0.00 0.00 0.00 Average: ens3 34.66 23.90 396.13 3.45 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15997) 02/19/26 _x86_64_ (4 CPU) 10:16:59 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:12 all 50.86 0.00 0.93 0.13 0.08 48.00 10:30:12 0 59.04 0.00 0.81 0.04 0.09 40.03 10:30:12 1 41.26 0.00 0.82 0.13 0.08 57.70 10:30:12 2 57.77 0.00 1.12 0.06 0.08 40.97 10:30:12 3 45.35 0.00 0.96 0.30 0.07 53.31 10:40:02 all 50.75 0.00 0.89 0.05 0.07 48.24 10:40:02 0 57.13 0.00 0.96 0.07 0.07 41.77 10:40:02 1 45.89 0.00 0.71 0.02 0.08 53.31 10:40:02 2 47.23 0.00 0.91 0.05 0.08 51.73 10:40:02 3 52.74 0.00 0.98 0.04 0.07 46.17 Average: all 50.80 0.00 0.91 0.09 0.08 48.12 Average: 0 58.10 0.00 0.88 0.05 0.08 40.89 Average: 1 43.53 0.00 0.77 0.08 0.08 55.54 Average: 2 52.59 0.00 1.02 0.06 0.08 46.26 Average: 3 48.98 0.00 0.97 0.18 0.07 49.81