---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3891 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: 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 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 642 10682 4 4663 15004 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:7b:1b:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84777sec preferred_lft 84777sec inet6 fe80::f816:3eff:fe7b:1bea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:05:c5:41:02:2c 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-3891) 01/24/26 _x86_64_ (4 CPU) 09:56:21 LINUX RESTART (4 CPU) 10:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 19.53 0.29 5.65 13.60 26.22 871.84 242443.45 10:20:05 13.15 0.53 11.83 0.79 19.29 1779.54 1855.17 Average: 16.32 0.41 8.76 7.14 22.73 1329.09 121246.86 10:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8710300 11594768 4368452 26.68 110548 2946824 4528052 25.99 516208 6799268 628 10:20:05 9323332 12904276 3055092 18.66 129488 3586396 3207152 18.41 715920 5963160 273632 Average: 9016816 12249522 3711772 22.67 120018 3266610 3867602 22.20 616064 6381214 137130 10:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 10:10:01 ens3 16.81 13.18 163.89 2.73 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:05 lo 293.90 293.90 279.67 279.67 0.00 0.00 0.00 0.00 10:20:05 ens3 36.48 26.13 386.57 3.60 0.00 0.00 0.00 0.00 10:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 148.37 148.37 141.07 141.07 0.00 0.00 0.00 0.00 Average: ens3 26.72 19.71 276.07 3.17 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-3891) 01/24/26 _x86_64_ (4 CPU) 09:56:21 LINUX RESTART (4 CPU) 10:00:05 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 47.82 0.00 0.80 0.07 0.08 51.22 10:10:01 0 45.85 0.00 0.83 0.10 0.09 53.13 10:10:01 1 62.64 0.00 0.76 0.09 0.09 36.42 10:10:01 2 45.20 0.00 0.79 0.03 0.08 53.91 10:10:01 3 37.62 0.00 0.84 0.06 0.08 61.39 10:20:05 all 53.72 0.00 0.99 0.05 0.09 45.16 10:20:05 0 57.56 0.00 1.06 0.02 0.08 41.28 10:20:05 1 51.62 0.00 0.98 0.06 0.08 47.26 10:20:05 2 64.66 0.00 0.97 0.07 0.09 34.19 10:20:05 3 41.01 0.00 0.95 0.05 0.09 57.90 Average: all 50.79 0.00 0.90 0.06 0.08 48.17 Average: 0 51.75 0.00 0.95 0.06 0.08 47.16 Average: 1 57.09 0.00 0.87 0.08 0.08 41.88 Average: 2 55.00 0.00 0.88 0.05 0.09 43.98 Average: 3 39.33 0.00 0.90 0.06 0.09 59.63