---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-464429 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 639 10079 4 5270 15007 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:9e:30:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84474sec preferred_lft 84474sec inet6 fe80::f816:3eff:fe9e:3045/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:98:5c:55:2a:b9 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-464429) 03/13/26 _x86_64_ (4 CPU) 18:23:19 LINUX RESTART (4 CPU) 18:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:29 42.55 0.02 36.07 6.45 0.61 1621.66 126145.44 18:50:15 29.80 0.16 25.37 4.28 4.98 3289.39 25039.13 Average: 36.35 0.09 30.87 5.39 2.73 2432.33 76998.45 18:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:29 9580064 12907288 3053064 18.65 152704 3307732 3268276 18.76 671632 5734820 652 18:50:15 8083756 12910968 3041840 18.58 175368 4713328 3029732 17.39 1209804 6595572 707024 Average: 8831910 12909128 3047452 18.61 164036 4010530 3149004 18.08 940718 6165196 353838 18:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:29 lo 41.39 41.39 9.86 9.86 0.00 0.00 0.00 0.00 18:40:29 ens3 9.89 8.67 12.93 2.79 0.00 0.00 0.00 0.00 18:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:15 lo 1610.19 1610.19 1518.09 1518.09 0.00 0.00 0.00 0.00 18:50:15 ens3 54.74 43.43 482.39 9.59 0.00 0.00 0.00 0.00 18:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 803.97 803.97 743.00 743.00 0.00 0.00 0.00 0.00 Average: ens3 31.69 25.56 241.13 6.10 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-464429) 03/13/26 _x86_64_ (4 CPU) 18:23:19 LINUX RESTART (4 CPU) 18:30:09 CPU %user %nice %system %iowait %steal %idle 18:40:29 all 26.60 0.00 1.09 0.38 0.09 71.84 18:40:29 0 24.95 0.00 1.13 0.40 0.09 73.43 18:40:29 1 26.53 0.00 1.03 0.26 0.09 72.09 18:40:29 2 27.71 0.00 1.29 0.64 0.09 70.26 18:40:29 3 27.19 0.00 0.92 0.23 0.09 71.57 18:50:15 all 44.15 0.00 2.10 0.17 0.10 53.49 18:50:15 0 41.62 0.00 2.24 0.18 0.10 55.86 18:50:15 1 46.26 0.00 2.34 0.14 0.10 51.17 18:50:15 2 45.25 0.00 2.02 0.22 0.10 52.41 18:50:15 3 43.47 0.00 1.80 0.13 0.09 54.51 Average: all 35.12 0.00 1.58 0.28 0.09 62.93 Average: 0 33.05 0.00 1.67 0.30 0.10 64.89 Average: 1 36.11 0.00 1.67 0.20 0.09 61.93 Average: 2 36.22 0.00 1.64 0.44 0.09 61.60 Average: 3 35.10 0.00 1.35 0.18 0.09 63.28