---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10362 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: 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 700 9890 4 5397 14946 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:4e:a5:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84783sec preferred_lft 84783sec inet6 fe80::f816:3eff:fe4e:a585/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:18:25:66:4e:e0 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-10362) 02/14/26 _x86_64_ (4 CPU) 02:47:00 LINUX RESTART (4 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:25 30.65 1.03 26.76 2.87 413.91 4515.97 9571.89 03:10:23 27.50 0.07 24.56 2.87 1.63 5831.07 10550.51 Average: 29.11 0.56 25.68 2.87 212.15 5159.55 10050.81 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:25 9157432 13205448 2749440 16.79 156440 3977000 3117716 17.90 852856 5941924 184016 03:10:23 8023784 13267432 2681168 16.38 186504 5080216 2989532 17.16 1128744 6723436 25332 Average: 8590608 13236440 2715304 16.58 171472 4528608 3053624 17.53 990800 6332680 104674 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:25 lo 1191.70 1191.70 1134.94 1134.94 0.00 0.00 0.00 0.00 03:00:25 ens3 65.65 51.09 500.34 10.57 0.00 0.00 0.00 0.00 03:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:23 lo 876.74 876.74 834.54 834.54 0.00 0.00 0.00 0.00 03:10:23 ens3 43.57 35.49 225.01 8.72 0.00 0.00 0.00 0.00 03:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1037.56 1037.56 987.93 987.93 0.00 0.00 0.00 0.00 Average: ens3 54.85 43.45 365.60 9.67 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-10362) 02/14/26 _x86_64_ (4 CPU) 02:47:00 LINUX RESTART (4 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:25 all 65.23 0.00 2.36 0.14 0.11 32.16 03:00:25 0 65.75 0.00 2.34 0.12 0.11 31.67 03:00:25 1 63.68 0.00 2.29 0.17 0.11 33.74 03:00:25 2 66.73 0.00 2.22 0.14 0.11 30.81 03:00:25 3 64.78 0.00 2.57 0.14 0.11 32.41 03:10:23 all 58.24 0.00 2.16 0.25 0.12 39.24 03:10:23 0 57.90 0.00 2.36 0.24 0.11 39.39 03:10:23 1 57.54 0.00 1.92 0.51 0.12 39.91 03:10:23 2 57.85 0.00 2.32 0.15 0.12 39.57 03:10:23 3 59.68 0.00 2.03 0.10 0.12 38.07 Average: all 61.81 0.00 2.26 0.19 0.11 35.62 Average: 0 61.91 0.00 2.35 0.18 0.11 35.45 Average: 1 60.68 0.00 2.11 0.34 0.12 36.76 Average: 2 62.38 0.00 2.27 0.15 0.11 35.10 Average: 3 62.28 0.00 2.30 0.12 0.11 35.18