---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-450318 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 68G 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 737 10465 4 4786 14909 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:02:6c:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84538sec preferred_lft 84538sec inet6 fe80::f816:3eff:fe02:6c86/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:5e:f3:4b:49:10 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-450318) 03/12/26 _x86_64_ (4 CPU) 08:15:09 LINUX RESTART (4 CPU) 08:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:08 13.21 2.10 10.25 0.86 132.75 2879.37 203.68 08:40:01 30.93 0.79 26.59 3.55 24.07 4444.34 4570.70 Average: 22.01 1.45 18.37 2.19 78.77 3656.71 2372.85 08:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:08 10334152 13608380 2351872 14.36 131520 3269596 2635656 15.13 564520 5087372 40900 08:40:01 8743052 13233500 2717416 16.60 173488 4350520 2860840 16.42 890692 6257060 47948 Average: 9538602 13420940 2534644 15.48 152504 3810058 2748248 15.77 727606 5672216 44424 08:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:08 lo 1.19 1.19 0.12 0.12 0.00 0.00 0.00 0.00 08:30:08 ens3 102.25 79.74 636.91 18.98 0.00 0.00 0.00 0.00 08:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 1584.78 1584.78 1510.65 1510.65 0.00 0.00 0.00 0.00 08:40:01 ens3 84.28 62.65 429.12 16.11 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 787.78 787.78 750.42 750.42 0.00 0.00 0.00 0.00 Average: ens3 93.33 71.25 533.70 17.55 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-450318) 03/12/26 _x86_64_ (4 CPU) 08:15:09 LINUX RESTART (4 CPU) 08:20:08 CPU %user %nice %system %iowait %steal %idle 08:30:08 all 59.73 0.00 1.96 0.05 0.10 38.16 08:30:08 0 60.56 0.00 2.11 0.03 0.09 37.21 08:30:08 1 58.94 0.00 1.93 0.04 0.10 38.99 08:30:08 2 58.55 0.00 2.00 0.08 0.10 39.27 08:30:08 3 60.84 0.00 1.83 0.05 0.10 37.18 08:40:01 all 69.74 0.00 2.79 0.06 0.10 27.31 08:40:01 0 71.00 0.00 3.10 0.06 0.11 25.73 08:40:01 1 69.50 0.00 2.74 0.07 0.10 27.58 08:40:01 2 70.20 0.00 2.44 0.04 0.10 27.22 08:40:01 3 68.24 0.00 2.88 0.06 0.10 28.71 Average: all 64.70 0.00 2.37 0.05 0.10 32.77 Average: 0 65.75 0.00 2.60 0.04 0.10 31.51 Average: 1 64.18 0.00 2.33 0.06 0.10 33.33 Average: 2 64.34 0.00 2.22 0.06 0.10 33.28 Average: 3 64.52 0.00 2.35 0.05 0.10 32.98