---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36349 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 668 8907 4 6413 14978 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:65:ca:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84484sec preferred_lft 84484sec inet6 fe80::f816:3eff:fe65:ca09/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:01:75:a4:c6:cf 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36349) 07/16/26 _x86_64_ (4 CPU) 07:53:40 LINUX RESTART (4 CPU) 08:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:16 22.24 0.06 19.83 2.35 6.52 2110.08 5157.68 08:20:16 27.86 0.03 25.08 2.75 0.37 4079.75 10315.75 Average: 25.05 0.04 22.45 2.55 3.45 3094.91 7736.71 08:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:16 8731572 12614940 3341916 20.41 143372 3840000 3367276 19.33 722196 6513524 179300 08:20:16 7316296 11981196 3972068 24.26 159736 4570356 3996024 22.94 965112 7645728 2180 Average: 8023934 12298068 3656992 22.34 151554 4205178 3681650 21.13 843654 7079626 90740 08:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:16 lo 1197.08 1197.08 1133.58 1133.58 0.00 0.00 0.00 0.00 08:10:16 ens3 31.38 23.81 19.55 6.88 0.00 0.00 0.00 0.00 08:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:16 lo 1150.19 1150.19 1090.06 1090.06 0.00 0.00 0.00 0.00 08:20:16 ens3 26.15 21.97 33.72 6.77 0.00 0.00 0.00 0.00 08:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1173.63 1173.63 1111.82 1111.82 0.00 0.00 0.00 0.00 Average: ens3 28.76 22.89 26.63 6.82 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36349) 07/16/26 _x86_64_ (4 CPU) 07:53:40 LINUX RESTART (4 CPU) 08:00:16 CPU %user %nice %system %iowait %steal %idle 08:10:16 all 67.23 0.00 2.27 0.09 0.11 30.29 08:10:16 0 68.63 0.00 2.43 0.12 0.11 28.70 08:10:16 1 64.57 0.00 2.31 0.14 0.12 32.87 08:10:16 2 68.13 0.00 1.89 0.06 0.12 29.79 08:10:16 3 67.59 0.00 2.44 0.06 0.11 29.80 08:20:16 all 54.51 0.00 2.22 0.66 0.11 42.50 08:20:16 0 55.90 0.00 2.08 0.90 0.12 41.01 08:20:16 1 52.78 0.00 2.33 0.30 0.11 44.48 08:20:16 2 55.24 0.00 2.43 1.23 0.11 40.99 08:20:16 3 54.09 0.00 2.04 0.23 0.11 43.52 Average: all 60.87 0.00 2.24 0.38 0.11 36.40 Average: 0 62.26 0.00 2.25 0.51 0.11 34.86 Average: 1 58.68 0.00 2.32 0.22 0.11 38.67 Average: 2 61.68 0.00 2.16 0.65 0.11 35.40 Average: 3 60.85 0.00 2.24 0.14 0.11 36.65