---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32439 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 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 12G 66G 16% / 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 626 9156 4 6206 15020 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:f2:e6:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84411sec preferred_lft 84411sec inet6 fe80::f816:3eff:fef2:e628/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:4c:57:f6:61:6a 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32439) 07/02/26 _x86_64_ (4 CPU) 22:20:51 LINUX RESTART (4 CPU) 22:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:13 26.62 1.34 24.77 0.50 97.72 1256.30 344.81 22:50:29 35.99 3.30 30.27 2.42 175.39 9839.89 10863.77 Average: 31.32 2.32 27.53 1.47 136.65 5558.62 5617.19 22:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:13 13037688 15424852 556620 3.40 99616 2483452 1142584 6.56 307168 2712444 218280 22:50:29 8345024 13504280 2448452 14.95 153392 5077972 2861332 16.42 1216916 6371872 88768 Average: 10691356 14464566 1502536 9.18 126504 3780712 2001958 11.49 762042 4542158 153524 22:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:13 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 22:40:13 ens3 30.37 20.98 165.37 5.07 0.00 0.00 0.00 0.00 22:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:29 lo 932.14 932.14 888.03 888.03 0.00 0.00 0.00 0.00 22:50:29 ens3 132.68 102.14 1180.33 19.47 0.00 0.00 0.00 0.00 22:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 467.30 467.30 445.11 445.11 0.00 0.00 0.00 0.00 Average: ens3 81.65 61.66 674.10 12.29 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32439) 07/02/26 _x86_64_ (4 CPU) 22:20:51 LINUX RESTART (4 CPU) 22:30:01 CPU %user %nice %system %iowait %steal %idle 22:40:13 all 2.32 0.00 0.24 0.39 0.02 97.03 22:40:13 0 2.47 0.00 0.24 0.52 0.02 96.74 22:40:13 1 1.45 0.00 0.22 0.49 0.02 97.83 22:40:13 2 1.49 0.00 0.17 0.07 0.04 98.23 22:40:13 3 3.85 0.00 0.33 0.49 0.02 95.31 22:50:29 all 51.66 0.00 2.09 0.13 0.09 46.03 22:50:29 0 49.73 0.00 1.82 0.16 0.09 48.21 22:50:29 1 54.55 0.00 1.90 0.16 0.09 43.29 22:50:29 2 52.61 0.00 2.21 0.09 0.09 45.00 22:50:29 3 49.76 0.00 2.42 0.11 0.08 47.62 Average: all 27.00 0.00 1.17 0.26 0.06 71.51 Average: 0 26.11 0.00 1.03 0.34 0.06 72.47 Average: 1 28.01 0.00 1.06 0.33 0.06 70.54 Average: 2 27.07 0.00 1.19 0.08 0.07 71.59 Average: 3 26.82 0.00 1.38 0.30 0.05 71.45