---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37745 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 640 10430 4 4918 15005 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:97:4d:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84721sec preferred_lft 84721sec inet6 fe80::f816:3eff:fe97:4d2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:df:dd:5b:54:05 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-37745) 03/25/26 _x86_64_ (4 CPU) 09:47:34 LINUX RESTART (4 CPU) 09:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:04 10.49 2.30 7.85 0.34 337.76 2493.69 637.51 10:10:01 2.72 0.01 2.61 0.10 0.04 324.86 19.40 Average: 6.62 1.16 5.24 0.22 169.36 1412.20 329.29 09:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:04 9572880 12661428 3301388 20.16 113400 3139564 3458092 19.85 552300 5898608 468 10:10:01 10499900 13721396 2240584 13.68 117468 3258008 2417740 13.88 578244 4932396 44360 Average: 10036390 13191412 2770986 16.92 115434 3198786 2937916 16.86 565272 5415502 22414 09:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:04 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 10:00:04 ens3 67.63 52.73 658.34 6.83 0.00 0.00 0.00 0.00 10:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 0.49 0.49 0.36 0.36 0.00 0.00 0.00 0.00 10:10:01 ens3 5.34 4.20 30.28 1.00 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 Average: lo 0.44 0.44 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 36.57 28.53 345.16 3.92 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-37745) 03/25/26 _x86_64_ (4 CPU) 09:47:34 LINUX RESTART (4 CPU) 09:50:04 CPU %user %nice %system %iowait %steal %idle 10:00:04 all 53.28 0.00 1.02 0.11 0.11 45.48 10:00:04 0 52.08 0.00 0.79 0.14 0.11 46.88 10:00:04 1 57.31 0.00 0.87 0.03 0.11 41.68 10:00:04 2 54.04 0.00 1.23 0.14 0.11 44.47 10:00:04 3 49.69 0.00 1.19 0.13 0.11 48.88 10:10:01 all 47.66 0.00 0.48 0.03 0.08 51.75 10:10:01 0 38.21 0.00 0.49 0.02 0.08 61.21 10:10:01 1 44.88 0.00 0.46 0.06 0.08 54.52 10:10:01 2 33.68 0.00 0.46 0.00 0.07 65.78 10:10:01 3 73.96 0.00 0.51 0.02 0.10 25.40 Average: all 50.48 0.00 0.75 0.07 0.10 48.61 Average: 0 45.16 0.00 0.64 0.08 0.09 54.03 Average: 1 51.11 0.00 0.67 0.05 0.10 48.09 Average: 2 43.86 0.00 0.85 0.07 0.09 55.13 Average: 3 61.80 0.00 0.85 0.07 0.11 37.17