---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-263838 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 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 668 10246 4 5074 14978 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:1b:db:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84706sec preferred_lft 84706sec inet6 fe80::f816:3eff:fe1b:db84/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:ca:70:6e:21:15 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-263838) 03/08/26 _x86_64_ (4 CPU) 13:25:10 LINUX RESTART (4 CPU) 13:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:06 30.98 2.64 13.78 14.56 745.03 3702.18 257453.11 13:50:11 36.19 0.99 30.78 4.42 33.76 4557.91 4625.95 Average: 33.61 1.81 22.35 9.45 386.60 4133.41 130046.12 13:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:06 10344068 13966244 1992140 12.17 140776 3601960 2288976 13.14 793204 4837868 33744 13:50:11 10556444 15391892 558560 3.41 174160 4691192 1109868 6.37 1118772 4209700 28900 Average: 10450256 14679068 1275350 7.79 157468 4146576 1699422 9.75 955988 4523784 31322 13:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:06 lo 1.33 1.33 0.14 0.14 0.00 0.00 0.00 0.00 13:40:06 ens3 119.47 86.34 808.34 20.84 0.00 0.00 0.00 0.00 13:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:11 lo 1563.24 1563.24 1488.08 1488.08 0.00 0.00 0.00 0.00 13:50:11 ens3 90.72 67.51 424.78 39.76 0.00 0.00 0.00 0.00 13:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 788.42 788.42 749.96 749.96 0.00 0.00 0.00 0.00 Average: ens3 104.99 76.85 615.05 30.37 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-263838) 03/08/26 _x86_64_ (4 CPU) 13:25:10 LINUX RESTART (4 CPU) 13:30:11 CPU %user %nice %system %iowait %steal %idle 13:40:06 all 67.51 0.00 2.30 0.31 0.13 29.74 13:40:06 0 67.81 0.00 2.42 0.16 0.13 29.47 13:40:06 1 64.70 0.00 2.17 0.15 0.13 32.85 13:40:06 2 68.70 0.00 2.38 0.84 0.13 27.94 13:40:06 3 68.83 0.00 2.24 0.10 0.13 28.71 13:50:11 all 65.17 0.00 2.76 0.22 0.17 31.68 13:50:11 0 65.18 0.00 2.31 0.21 0.19 32.10 13:50:11 1 65.21 0.00 2.80 0.10 0.17 31.72 13:50:11 2 64.44 0.00 2.70 0.25 0.16 32.45 13:50:11 3 65.84 0.00 3.21 0.33 0.18 30.44 Average: all 66.33 0.00 2.53 0.27 0.15 30.72 Average: 0 66.49 0.00 2.37 0.19 0.16 30.80 Average: 1 64.96 0.00 2.49 0.12 0.15 32.28 Average: 2 66.55 0.00 2.54 0.54 0.14 30.21 Average: 3 67.33 0.00 2.73 0.22 0.15 29.58