---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17492 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 651 10273 4 5065 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:4d:9d:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84751sec preferred_lft 84751sec inet6 fe80::f816:3eff:fe4d:9df1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:4b:8d:91:0f:dd 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-17492) 02/19/26 _x86_64_ (4 CPU) 10:26:52 LINUX RESTART (4 CPU) 10:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:32 10.44 1.79 8.17 0.48 645.10 2456.66 12547.97 10:50:46 8.70 0.52 7.69 0.49 19.03 1554.52 1486.91 Average: 9.58 1.16 7.93 0.49 336.36 2011.77 7093.25 10:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:32 8803432 12056808 3905492 23.85 116252 3298496 4074208 23.39 692940 6535084 100 10:50:46 9558980 13339280 2619320 16.00 135768 3774224 2775744 15.93 831516 5596656 110408 Average: 9181206 12698044 3262406 19.93 126010 3536360 3424976 19.66 762228 6065870 55254 10:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:32 lo 0.65 0.65 0.37 0.37 0.00 0.00 0.00 0.00 10:40:32 ens3 27.94 20.47 334.34 3.42 0.00 0.00 0.00 0.00 10:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:46 lo 159.28 159.28 151.22 151.22 0.00 0.00 0.00 0.00 10:50:46 ens3 35.67 25.68 399.91 3.58 0.00 0.00 0.00 0.00 10:50:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 78.88 78.88 74.76 74.76 0.00 0.00 0.00 0.00 Average: ens3 31.75 23.04 366.68 3.50 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-17492) 02/19/26 _x86_64_ (4 CPU) 10:26:52 LINUX RESTART (4 CPU) 10:30:01 CPU %user %nice %system %iowait %steal %idle 10:40:32 all 53.65 0.00 0.89 0.12 0.10 45.25 10:40:32 0 58.15 0.00 1.01 0.14 0.10 40.60 10:40:32 1 53.20 0.00 0.82 0.08 0.10 45.81 10:40:32 2 49.41 0.00 0.93 0.11 0.09 49.45 10:40:32 3 53.82 0.00 0.81 0.14 0.10 45.14 10:50:46 all 49.33 0.00 0.86 0.04 0.09 49.69 10:50:46 0 46.01 0.00 1.00 0.10 0.09 52.80 10:50:46 1 63.21 0.00 0.91 0.02 0.09 35.77 10:50:46 2 40.32 0.00 0.71 0.02 0.09 58.86 10:50:46 3 47.77 0.00 0.82 0.02 0.08 51.30 Average: all 51.51 0.00 0.87 0.08 0.09 47.44 Average: 0 52.16 0.00 1.00 0.12 0.09 46.62 Average: 1 58.14 0.00 0.86 0.05 0.09 40.85 Average: 2 44.92 0.00 0.82 0.07 0.09 54.10 Average: 3 50.84 0.00 0.81 0.08 0.09 48.18