---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15122 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 646 10335 4 5006 15000 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:75:5f:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84767sec preferred_lft 84767sec inet6 fe80::f816:3eff:fe75:5fa2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:e3:3a:30:bd:a5 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15122) 02/19/26 _x86_64_ (4 CPU) 10:03:12 LINUX RESTART (4 CPU) 10:10:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:42 3.94 0.07 3.73 0.15 6.74 539.36 37.59 10:30:05 28.24 0.74 24.60 2.90 33.89 6625.81 18651.28 Average: 15.60 0.39 13.74 1.47 19.77 3460.26 8970.35 10:10:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:42 9569588 12807172 3154384 19.27 120224 3261748 3397380 19.50 687564 5734236 72 10:30:05 10674644 15448736 506504 3.09 145776 4712896 1043216 5.99 1066460 4201560 12588 Average: 10122116 14127954 1830444 11.18 133000 3987322 2220298 12.74 877012 4967898 6330 10:10:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:42 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 10:20:42 ens3 11.46 8.89 36.38 2.72 0.00 0.00 0.00 0.00 10:20:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:05 lo 503.99 503.99 477.38 477.38 0.00 0.00 0.00 0.00 10:30:05 ens3 74.24 58.21 523.65 91.86 0.00 0.00 0.00 0.00 10:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 242.16 242.16 229.29 229.29 0.00 0.00 0.00 0.00 Average: ens3 41.59 32.56 270.22 45.50 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15122) 02/19/26 _x86_64_ (4 CPU) 10:03:12 LINUX RESTART (4 CPU) 10:10:32 CPU %user %nice %system %iowait %steal %idle 10:20:42 all 44.81 0.00 0.60 0.03 0.08 54.48 10:20:42 0 42.69 0.00 0.57 0.04 0.08 56.61 10:20:42 1 30.67 0.00 0.50 0.04 0.08 68.70 10:20:42 2 50.98 0.00 0.74 0.01 0.08 48.19 10:20:42 3 54.97 0.00 0.57 0.02 0.09 44.35 10:30:05 all 49.47 0.00 1.59 0.72 0.09 48.13 10:30:05 0 40.61 0.00 1.24 0.38 0.09 57.68 10:30:05 1 46.38 0.00 1.48 0.38 0.10 51.67 10:30:05 2 67.92 0.00 1.81 1.44 0.09 28.74 10:30:05 3 42.98 0.00 1.83 0.69 0.09 54.41 Average: all 47.05 0.00 1.07 0.36 0.09 51.44 Average: 0 41.69 0.00 0.89 0.20 0.08 57.13 Average: 1 38.18 0.00 0.97 0.20 0.09 60.55 Average: 2 59.11 0.00 1.25 0.69 0.09 38.86 Average: 3 49.22 0.00 1.17 0.34 0.09 49.18