---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66605 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 643 10445 4 4900 15003 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:6e:cd:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84764sec preferred_lft 84764sec inet6 fe80::f816:3eff:fe6e:cd93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:f2:af:f0:b8:6f 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-66605) 04/05/26 _x86_64_ (4 CPU) 00:26:41 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:09 7.04 0.28 6.29 0.47 25.52 1162.95 511.80 00:50:08 12.82 0.51 11.54 0.78 18.82 1896.98 1108.82 Average: 9.91 0.39 8.90 0.62 22.19 1527.75 808.51 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:09 8157340 11239672 4722296 28.84 115868 3129100 4860740 27.90 530516 7341324 568 00:50:08 9187388 12995772 2961900 18.09 134764 3796496 3104472 17.82 734136 6065804 276052 Average: 8672364 12117722 3842098 23.47 125316 3462798 3982606 22.86 632326 6703564 138310 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:09 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 00:40:09 ens3 22.73 16.81 159.56 3.35 0.00 0.00 0.00 0.00 00:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:08 lo 295.35 295.35 280.84 280.84 0.00 0.00 0.00 0.00 00:50:08 ens3 39.81 28.22 410.50 4.82 0.00 0.00 0.00 0.00 00:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 147.10 147.10 139.76 139.76 0.00 0.00 0.00 0.00 Average: ens3 31.22 22.48 284.27 4.08 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-66605) 04/05/26 _x86_64_ (4 CPU) 00:26:41 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:09 all 47.55 0.00 0.82 0.06 0.08 51.49 00:40:09 0 54.24 0.00 0.79 0.05 0.08 44.84 00:40:09 1 37.74 0.00 0.88 0.10 0.08 61.20 00:40:09 2 48.96 0.00 0.81 0.06 0.07 50.10 00:40:09 3 49.28 0.00 0.79 0.02 0.08 49.82 00:50:08 all 52.83 0.00 0.99 0.04 0.07 46.07 00:50:08 0 61.41 0.00 1.10 0.05 0.08 37.37 00:50:08 1 40.84 0.00 0.93 0.06 0.08 58.09 00:50:08 2 65.80 0.00 1.03 0.03 0.07 33.07 00:50:08 3 43.27 0.00 0.89 0.04 0.06 55.74 Average: all 50.17 0.00 0.90 0.05 0.07 48.80 Average: 0 57.81 0.00 0.94 0.05 0.08 41.13 Average: 1 39.28 0.00 0.90 0.08 0.08 59.66 Average: 2 57.33 0.00 0.92 0.04 0.07 41.64 Average: 3 46.29 0.00 0.84 0.03 0.07 52.76