---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-479996 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 639 8567 4 6782 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:a6:ae:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84221sec preferred_lft 84221sec inet6 fe80::f816:3eff:fea6:ae5a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:7f:2c:fc:d1:2a 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-479996) 03/15/26 _x86_64_ (4 CPU) 10:11:20 LINUX RESTART (4 CPU) 10:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:03 23.42 0.06 20.60 2.76 6.32 2221.35 8196.90 10:40:11 42.55 0.03 25.91 16.60 0.59 4254.33 246156.35 Average: 33.11 0.05 23.29 9.77 3.42 3251.15 128734.28 10:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:03 9285064 13190364 2764636 16.89 155152 3857564 2787332 16.00 844596 5814584 22016 10:40:11 5800788 10722492 5228504 31.93 170836 4813376 5146600 29.54 1137628 8952340 12108 Average: 7542926 11956428 3996570 24.41 162994 4335470 3966966 22.77 991112 7383462 17062 10:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:03 lo 1370.07 1370.07 1298.43 1298.43 0.00 0.00 0.00 0.00 10:30:03 ens3 41.76 33.59 25.46 11.92 0.00 0.00 0.00 0.00 10:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:11 lo 1247.52 1247.52 1229.17 1229.17 0.00 0.00 0.00 0.00 10:40:11 ens3 38.53 31.22 48.26 10.89 0.00 0.00 0.00 0.00 10:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1307.99 1307.99 1263.34 1263.34 0.00 0.00 0.00 0.00 Average: ens3 40.12 32.39 37.01 11.40 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-479996) 03/15/26 _x86_64_ (4 CPU) 10:11:20 LINUX RESTART (4 CPU) 10:20:11 CPU %user %nice %system %iowait %steal %idle 10:30:03 all 66.60 0.00 2.34 0.05 0.09 30.92 10:30:03 0 65.85 0.00 2.13 0.08 0.09 31.86 10:30:03 1 66.37 0.00 2.54 0.05 0.09 30.95 10:30:03 2 67.65 0.00 2.43 0.03 0.09 29.79 10:30:03 3 66.53 0.00 2.25 0.04 0.09 31.09 10:40:11 all 56.49 0.00 2.22 0.12 0.09 41.08 10:40:11 0 54.52 0.00 2.20 0.09 0.09 43.11 10:40:11 1 58.80 0.00 2.30 0.12 0.09 38.69 10:40:11 2 56.04 0.00 2.43 0.05 0.09 41.39 10:40:11 3 56.60 0.00 1.96 0.21 0.09 41.15 Average: all 61.48 0.00 2.28 0.08 0.09 36.07 Average: 0 60.11 0.00 2.16 0.09 0.09 37.55 Average: 1 62.54 0.00 2.42 0.08 0.09 34.87 Average: 2 61.76 0.00 2.43 0.04 0.09 35.67 Average: 3 61.50 0.00 2.10 0.12 0.09 36.19