---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26213 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: 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 9.8G 68G 13% / 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 10991 4 4371 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:e4:26:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83129sec preferred_lft 83129sec inet6 fe80::f816:3eff:fee4:26ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:f0:22:86:a7:5a 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-26213) 06/09/26 _x86_64_ (4 CPU) 12:57:16 LINUX RESTART (4 CPU) 13:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:46 3.96 0.39 3.35 0.22 385.24 385.93 6150.23 13:20:20 1.57 0.01 1.56 0.00 0.06 17.39 0.00 13:30:20 18.77 2.24 15.86 0.67 134.16 2783.30 1722.86 13:40:21 10.25 1.92 7.90 0.43 124.02 2220.02 1764.74 13:50:20 9.93 0.47 8.43 1.03 18.44 1858.91 2525.12 Average: 8.92 1.01 7.43 0.47 135.73 1456.19 2485.87 13:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:46 13536272 15505964 509756 3.11 57324 2137780 1149204 6.60 332440 2249956 12 13:20:20 13536312 15506756 509004 3.11 57908 2137916 1149268 6.60 333044 2250488 20 13:30:20 12820188 15508896 463548 2.83 101916 2775012 1000540 5.74 478088 2741876 76 13:40:21 10340080 13741372 2218804 13.55 128480 3407220 2547096 14.62 663800 5001976 25296 13:50:20 9294064 13271196 2683400 16.39 155812 3897680 2906164 16.68 819668 5811880 54844 Average: 11905383 14706837 1276902 7.80 100288 2871122 1750454 10.05 525408 3611235 16050 13:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:46 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 13:10:46 ens3 6.08 2.54 123.75 0.21 0.00 0.00 0.00 0.00 13:10:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:20 ens3 0.25 0.08 0.05 0.02 0.00 0.00 0.00 0.00 13:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:20 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 13:30:20 ens3 49.22 37.44 414.24 7.80 0.00 0.00 0.00 0.00 13:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:21 lo 0.65 0.65 0.06 0.06 0.00 0.00 0.00 0.00 13:40:21 ens3 75.43 60.99 697.86 12.06 0.00 0.00 0.00 0.00 13:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:20 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 13:50:20 ens3 70.23 53.48 105.65 17.48 0.00 0.00 0.00 0.00 13:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 40.29 30.92 269.39 7.51 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-26213) 06/09/26 _x86_64_ (4 CPU) 12:57:16 LINUX RESTART (4 CPU) 13:00:20 CPU %user %nice %system %iowait %steal %idle 13:10:46 all 0.35 0.00 0.10 0.48 0.01 99.06 13:10:46 0 0.24 0.00 0.07 0.06 0.00 99.63 13:10:46 1 0.62 0.00 0.11 0.67 0.02 98.58 13:10:46 2 0.32 0.00 0.09 0.10 0.01 99.47 13:10:46 3 0.22 0.00 0.14 1.08 0.01 98.56 13:20:20 all 0.12 0.00 0.03 0.25 0.01 99.59 13:20:20 0 0.01 0.00 0.02 0.00 0.00 99.97 13:20:20 1 0.04 0.00 0.04 0.65 0.02 99.26 13:20:20 2 0.40 0.00 0.03 0.03 0.01 99.53 13:20:20 3 0.02 0.00 0.04 0.31 0.01 99.61 13:30:20 all 2.97 0.00 0.36 3.49 0.02 93.16 13:30:20 0 2.53 0.00 0.27 1.21 0.01 95.97 13:30:20 1 2.30 0.00 0.35 5.15 0.02 92.18 13:30:20 2 2.93 0.00 0.35 0.64 0.02 96.05 13:30:20 3 4.09 0.00 0.46 6.97 0.03 88.44 13:40:21 all 37.80 0.00 1.19 0.16 0.09 60.76 13:40:21 0 37.03 0.00 1.11 0.03 0.09 61.74 13:40:21 1 38.31 0.00 1.18 0.17 0.09 60.24 13:40:21 2 37.09 0.00 1.22 0.15 0.10 61.44 13:40:21 3 38.76 0.00 1.25 0.27 0.10 59.62 13:50:20 all 69.33 0.00 2.29 0.20 0.27 27.91 13:50:20 0 69.71 0.00 2.45 0.15 0.29 27.40 13:50:20 1 69.27 0.00 2.26 0.13 0.26 28.07 13:50:20 2 69.88 0.00 2.42 0.26 0.26 27.18 13:50:20 3 68.45 0.00 2.05 0.25 0.26 28.99 Average: all 22.08 0.00 0.79 0.92 0.08 76.12 Average: 0 21.88 0.00 0.78 0.29 0.08 76.97 Average: 1 22.10 0.00 0.79 1.36 0.08 75.68 Average: 2 22.08 0.00 0.82 0.24 0.08 76.78 Average: 3 22.29 0.00 0.79 1.79 0.08 75.06