---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1765 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: 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 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 627 10481 4 4881 15019 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:df:f0:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83721sec preferred_lft 83721sec inet6 fe80::f816:3eff:fedf:f097/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:bd:89:90:63:61 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-1765) 04/10/26 _x86_64_ (4 CPU) 09:35:42 LINUX RESTART (4 CPU) 09:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:03 2.75 0.25 2.36 0.14 208.19 273.55 232.85 10:00:01 42.62 4.30 37.64 0.69 258.28 3932.68 1229.36 10:10:03 3.21 0.06 3.01 0.15 6.64 552.93 23.30 10:20:03 25.26 0.83 21.87 2.57 33.03 6129.44 8844.31 Average: 18.43 1.35 16.19 0.89 126.32 2719.32 2581.44 09:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:03 13656348 15532072 484728 2.96 56276 2045080 1153092 6.62 258348 2210980 176 10:00:01 10856904 13854848 2109236 12.88 111584 3058044 2463496 14.14 525828 4656184 17512 10:10:03 9461500 12599844 3362956 20.54 116732 3181496 3493428 20.05 568600 5988448 228 10:20:03 10798392 15442896 513280 3.13 140092 4605988 1055424 6.06 941776 4224468 12332 Average: 11193286 14357415 1617550 9.88 106171 3222652 2041360 11.72 573638 4270020 7562 09:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:03 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 09:50:03 ens3 3.78 1.96 59.14 0.17 0.00 0.00 0.00 0.00 09:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 0.42 0.42 0.06 0.06 0.00 0.00 0.00 0.00 10:00:01 ens3 85.63 68.76 893.26 12.60 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:03 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 10:10:03 ens3 7.05 6.65 35.86 1.54 0.00 0.00 0.00 0.00 10:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:03 lo 526.96 526.96 500.47 500.47 0.00 0.00 0.00 0.00 10:20:03 ens3 55.40 45.19 492.78 71.79 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 132.02 132.02 125.23 125.23 0.00 0.00 0.00 0.00 Average: ens3 37.90 30.59 369.54 21.52 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-1765) 04/10/26 _x86_64_ (4 CPU) 09:35:42 LINUX RESTART (4 CPU) 09:40:03 CPU %user %nice %system %iowait %steal %idle 09:50:03 all 0.29 0.00 0.05 0.04 0.02 99.61 09:50:03 0 0.47 0.00 0.07 0.02 0.01 99.43 09:50:03 1 0.62 0.00 0.03 0.06 0.02 99.26 09:50:03 2 0.05 0.00 0.06 0.01 0.02 99.86 09:50:03 3 0.03 0.00 0.03 0.05 0.01 99.88 10:00:01 all 27.53 0.00 0.81 0.30 0.05 71.31 10:00:01 0 23.84 0.00 0.78 0.44 0.05 74.89 10:00:01 1 29.79 0.00 0.93 0.49 0.06 68.74 10:00:01 2 28.99 0.00 0.79 0.08 0.06 70.09 10:00:01 3 27.49 0.00 0.74 0.20 0.05 71.52 10:10:03 all 45.81 0.00 0.60 0.02 0.07 53.50 10:10:03 0 41.17 0.00 0.57 0.01 0.08 58.17 10:10:03 1 45.65 0.00 0.65 0.01 0.07 53.61 10:10:03 2 60.61 0.00 0.70 0.02 0.08 38.59 10:10:03 3 35.89 0.00 0.46 0.02 0.07 63.56 10:20:03 all 53.54 0.00 1.53 0.14 0.08 44.71 10:20:03 0 43.99 0.00 1.41 0.12 0.07 54.41 10:20:03 1 49.69 0.00 1.59 0.08 0.08 48.56 10:20:03 2 73.25 0.00 1.63 0.08 0.08 24.96 10:20:03 3 47.26 0.00 1.48 0.27 0.07 50.92 Average: all 31.80 0.00 0.75 0.12 0.05 67.28 Average: 0 27.35 0.00 0.71 0.15 0.05 71.74 Average: 1 31.43 0.00 0.80 0.16 0.06 67.55 Average: 2 40.74 0.00 0.80 0.05 0.06 58.36 Average: 3 27.67 0.00 0.68 0.14 0.05 71.46