---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-476 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 651 10257 4 5081 14995 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:b8:28:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84876sec preferred_lft 84876sec inet6 fe80::f816:3eff:feb8:2891/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:1c:73:26:69:13 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-476) 01/15/26 _x86_64_ (4 CPU) 13:28:28 LINUX RESTART (4 CPU) 13:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:18 26.97 3.20 22.04 1.73 725.06 4549.85 15136.86 13:50:19 28.71 0.92 23.60 4.19 30.06 4663.08 3043.60 Average: 27.83 2.07 22.81 2.94 382.26 4605.70 9172.10 13:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:18 10406040 14032968 1924980 11.76 138156 3613916 2234632 12.83 795048 4793508 39068 13:50:19 10528712 15370600 578844 3.54 171976 4704488 1101964 6.33 1127596 4213972 76 Average: 10467376 14701784 1251912 7.65 155066 4159202 1668298 9.58 961322 4503740 19572 13:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:18 lo 1.37 1.37 0.15 0.15 0.00 0.00 0.00 0.00 13:40:18 ens3 106.35 81.88 815.21 20.33 0.00 0.00 0.00 0.00 13:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:19 lo 1521.17 1521.17 1446.40 1446.40 0.00 0.00 0.00 0.00 13:50:19 ens3 97.86 79.30 428.30 81.66 0.00 0.00 0.00 0.00 13:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 750.98 750.98 713.48 713.48 0.00 0.00 0.00 0.00 Average: ens3 102.16 80.61 624.37 50.58 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-476) 01/15/26 _x86_64_ (4 CPU) 13:28:28 LINUX RESTART (4 CPU) 13:30:00 CPU %user %nice %system %iowait %steal %idle 13:40:18 all 63.56 0.00 2.22 0.19 0.10 33.93 13:40:18 0 63.81 0.00 2.13 0.18 0.10 33.79 13:40:18 1 62.11 0.00 2.40 0.20 0.10 35.19 13:40:18 2 63.62 0.00 2.22 0.17 0.10 33.89 13:40:18 3 64.70 0.00 2.15 0.21 0.09 32.84 13:50:19 all 62.85 0.00 2.55 0.24 0.10 34.25 13:50:19 0 62.66 0.00 2.61 0.46 0.10 34.16 13:50:19 1 62.08 0.00 2.56 0.16 0.10 35.10 13:50:19 2 63.28 0.00 2.57 0.12 0.10 33.93 13:50:19 3 63.38 0.00 2.48 0.22 0.10 33.82 Average: all 63.21 0.00 2.39 0.21 0.10 34.09 Average: 0 63.24 0.00 2.37 0.32 0.10 33.97 Average: 1 62.09 0.00 2.48 0.18 0.10 35.15 Average: 2 63.45 0.00 2.39 0.14 0.10 33.91 Average: 3 64.05 0.00 2.31 0.21 0.10 33.32