---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-442544 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 9.8G 68G 13% / 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 615 11074 4 4299 15031 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:f3:cd:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84551sec preferred_lft 84551sec inet6 fe80::f816:3eff:fef3:cd0e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:65:46:d1:c6:d3 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-442544) 03/11/26 _x86_64_ (4 CPU) 11:44:31 LINUX RESTART (4 CPU) 11:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:08 46.52 4.62 39.86 2.03 260.74 3960.26 4480.33 12:10:14 40.01 0.01 32.81 7.19 0.61 2825.93 21119.73 Average: 43.26 2.31 36.33 4.62 130.37 3391.77 12819.51 11:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:08 10971808 13912584 2051456 12.53 117292 2992956 2367276 13.59 471888 4580036 105792 12:10:14 10519436 13890608 2068108 12.63 165988 3314560 2235952 12.83 613848 4827880 28752 Average: 10745622 13901596 2059782 12.58 141640 3153758 2301614 13.21 542868 4703958 67272 11:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:08 lo 1376.12 1376.12 1313.02 1313.02 0.00 0.00 0.00 0.00 12:00:08 ens3 91.05 68.82 871.65 12.90 0.00 0.00 0.00 0.00 12:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:14 lo 4425.05 4425.05 4220.21 4220.21 0.00 0.00 0.00 0.00 12:10:14 ens3 55.08 43.99 13.84 13.16 0.00 0.00 0.00 0.00 12:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2904.15 2904.15 2770.02 2770.02 0.00 0.00 0.00 0.00 Average: ens3 73.02 56.38 441.74 13.03 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-442544) 03/11/26 _x86_64_ (4 CPU) 11:44:31 LINUX RESTART (4 CPU) 11:50:05 CPU %user %nice %system %iowait %steal %idle 12:00:08 all 20.40 0.00 1.39 6.78 0.06 71.37 12:00:08 0 21.96 0.00 1.37 6.73 0.06 69.88 12:00:08 1 20.02 0.00 1.36 3.67 0.06 74.89 12:00:08 2 20.43 0.00 1.42 6.96 0.06 71.14 12:00:08 3 19.19 0.00 1.40 9.77 0.06 69.58 12:10:14 all 57.70 0.00 3.78 3.89 0.13 34.50 12:10:14 0 57.32 0.00 3.98 1.67 0.12 36.90 12:10:14 1 57.77 0.00 3.57 3.16 0.13 35.38 12:10:14 2 57.96 0.00 4.05 2.15 0.15 35.70 12:10:14 3 57.76 0.00 3.52 8.58 0.14 30.00 Average: all 39.02 0.00 2.58 5.34 0.10 52.97 Average: 0 39.62 0.00 2.67 4.20 0.09 53.41 Average: 1 38.85 0.00 2.46 3.41 0.09 55.18 Average: 2 39.17 0.00 2.73 4.55 0.11 53.44 Average: 3 38.43 0.00 2.46 9.18 0.10 49.84