---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8600 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: 5600.00 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 661 9954 4 5372 14985 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:7c:26:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84488sec preferred_lft 84488sec inet6 fe80::f816:3eff:fe7c:26c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:a8:db:ad:d3:ce 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-8600) 02/08/26 _x86_64_ (4 CPU) 00:38:10 LINUX RESTART (4 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 46.47 2.58 38.93 4.96 344.60 4097.97 111834.26 01:00:39 13.66 0.18 12.14 1.33 5.65 1617.25 10959.30 Average: 29.75 1.36 25.28 3.11 171.87 2833.76 60427.03 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 10276952 13605616 2354648 14.38 144088 3327752 2672776 15.34 709988 5018508 35192 01:00:39 9848720 13571860 2384688 14.56 161956 3673216 2639632 15.15 829124 5285484 17828 Average: 10062836 13588738 2369668 14.47 153022 3500484 2656204 15.25 769556 5151996 26510 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 17.56 17.56 3.77 3.77 0.00 0.00 0.00 0.00 00:50:10 ens3 75.70 56.84 633.64 10.62 0.00 0.00 0.00 0.00 00:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:39 lo 785.03 785.03 714.38 714.38 0.00 0.00 0.00 0.00 01:00:39 ens3 37.78 25.33 265.36 5.72 0.00 0.00 0.00 0.00 01:00:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 408.68 408.68 365.91 365.91 0.00 0.00 0.00 0.00 Average: ens3 56.38 40.78 445.96 8.13 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-8600) 02/08/26 _x86_64_ (4 CPU) 00:38:10 LINUX RESTART (4 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 33.79 0.00 1.46 0.31 0.08 64.36 00:50:10 0 33.87 0.00 1.41 0.12 0.08 64.51 00:50:10 1 32.79 0.00 1.34 0.24 0.08 65.56 00:50:10 2 34.22 0.00 1.78 0.79 0.08 63.13 00:50:10 3 34.26 0.00 1.31 0.11 0.09 64.23 01:00:39 all 24.52 0.00 1.34 0.07 0.09 73.97 01:00:39 0 23.56 0.00 1.16 0.09 0.09 75.10 01:00:39 1 24.60 0.00 1.22 0.03 0.09 74.07 01:00:39 2 24.89 0.00 1.52 0.14 0.10 73.35 01:00:39 3 25.04 0.00 1.47 0.02 0.10 73.36 Average: all 29.06 0.00 1.40 0.19 0.09 69.26 Average: 0 28.62 0.00 1.29 0.10 0.09 69.90 Average: 1 28.61 0.00 1.28 0.13 0.09 69.90 Average: 2 29.47 0.00 1.65 0.46 0.09 68.34 Average: 3 29.57 0.00 1.39 0.07 0.09 68.88