---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-99 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 17G 62G 21% / 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 678 6394 3 8916 14968 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:c8:6a:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.84/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85007sec preferred_lft 85007sec inet6 fe80::f816:3eff:fec8:6a39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:c5:6c:97:e3:71 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-v1-8c-8g-99) 05/16/26 _x86_64_ (4 CPU) 05:17:31 LINUX RESTART (4 CPU) 05:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:02 46.38 2.73 42.06 1.60 360.69 15961.59 3869.90 05:40:01 269.14 0.79 258.65 9.70 26.74 13820.18 51534.87 Average: 157.72 1.76 150.32 5.65 193.76 14891.22 27694.84 05:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:02 6859788 13510448 2433872 14.87 214672 6399996 2655280 15.24 1245064 7689776 416548 05:40:01 6551020 15325340 599448 3.66 326228 8222856 1126072 6.46 2127452 6904340 272 Average: 6705404 14417894 1516660 9.26 270450 7311426 1890676 10.85 1686258 7297058 208410 05:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:02 lo 0.82 0.82 0.25 0.25 0.00 0.00 0.00 0.00 05:30:02 ens3 217.91 171.60 1805.86 34.07 0.00 0.00 0.00 0.00 05:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 16.64 16.64 1.61 1.61 0.00 0.00 0.00 0.00 05:40:01 ens3 97.54 103.43 187.53 659.50 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.73 8.73 0.93 0.93 0.00 0.00 0.00 0.00 Average: ens3 157.74 137.53 996.95 346.68 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-v1-8c-8g-99) 05/16/26 _x86_64_ (4 CPU) 05:17:31 LINUX RESTART (4 CPU) 05:20:02 CPU %user %nice %system %iowait %steal %idle 05:30:02 all 37.72 0.00 2.83 0.80 0.08 58.58 05:30:02 0 34.67 0.00 2.43 0.95 0.08 61.87 05:30:02 1 38.65 0.00 2.89 0.69 0.08 57.70 05:30:02 2 39.72 0.00 3.53 1.00 0.09 55.66 05:30:02 3 37.83 0.00 2.45 0.57 0.08 59.07 05:40:01 all 34.26 0.00 3.06 1.43 0.09 61.15 05:40:01 0 32.63 0.00 3.13 1.53 0.09 62.62 05:40:01 1 36.94 0.00 2.71 0.90 0.09 59.36 05:40:01 2 30.12 0.00 3.28 1.79 0.09 64.72 05:40:01 3 37.37 0.00 3.12 1.52 0.09 57.90 Average: all 35.99 0.00 2.94 1.12 0.09 59.86 Average: 0 33.65 0.00 2.78 1.24 0.09 62.24 Average: 1 37.80 0.00 2.80 0.79 0.08 58.53 Average: 2 34.92 0.00 3.41 1.39 0.09 60.19 Average: 3 37.60 0.00 2.79 1.04 0.08 58.49