---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-423021 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 13G 66G 16% / 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 626 8569 4 6793 15020 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:f7:df:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84541sec preferred_lft 84541sec inet6 fe80::f816:3eff:fef7:df7b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:4f:e2:70:d9:10 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-423021) 03/10/26 _x86_64_ (4 CPU) 09:50:24 LINUX RESTART (4 CPU) 10:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 29.15 0.02 26.19 2.95 0.24 2523.65 9748.83 10:20:14 17.68 0.04 16.46 1.18 0.76 8061.21 47185.37 Average: 23.31 0.03 21.23 2.05 0.51 5343.94 28815.29 10:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8532884 12667768 3285892 20.07 156688 4071964 3368084 19.33 908364 6502380 126108 10:20:14 6362056 12815140 3130344 19.12 172460 6296536 3152664 18.10 1769372 7729296 167272 Average: 7447470 12741454 3208118 19.59 164574 5184250 3260374 18.71 1338868 7115838 146690 10:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 1298.19 1298.19 1237.07 1237.07 0.00 0.00 0.00 0.00 10:10:01 ens3 24.30 21.69 42.81 6.55 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:14 lo 2671.48 2671.48 9366.70 9366.70 0.00 0.00 0.00 0.00 10:20:14 ens3 26.04 21.63 98.44 6.08 0.00 0.00 0.00 0.00 10:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1997.61 1997.61 5377.50 5377.50 0.00 0.00 0.00 0.00 Average: ens3 25.18 21.66 71.14 6.31 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-423021) 03/10/26 _x86_64_ (4 CPU) 09:50:24 LINUX RESTART (4 CPU) 10:00:11 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 65.22 0.00 2.40 0.07 0.10 32.19 10:10:01 0 65.52 0.00 2.62 0.04 0.10 31.72 10:10:01 1 67.11 0.00 2.23 0.06 0.10 30.50 10:10:01 2 65.03 0.00 2.57 0.11 0.10 32.19 10:10:01 3 63.24 0.00 2.19 0.09 0.11 34.37 10:20:14 all 43.83 0.00 1.68 0.14 0.08 54.27 10:20:14 0 44.14 0.00 1.32 0.06 0.08 54.39 10:20:14 1 43.80 0.00 1.83 0.28 0.08 54.01 10:20:14 2 46.18 0.00 1.97 0.10 0.08 51.67 10:20:14 3 41.18 0.00 1.61 0.14 0.09 56.99 Average: all 54.32 0.00 2.03 0.11 0.09 43.45 Average: 0 54.63 0.00 1.96 0.05 0.09 43.27 Average: 1 55.23 0.00 2.02 0.17 0.09 42.48 Average: 2 55.42 0.00 2.27 0.10 0.09 42.12 Average: 3 51.99 0.00 1.89 0.11 0.10 45.91