---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2390 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 12G 66G 15% / 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 641 9271 4 6076 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:d0:60:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84574sec preferred_lft 84574sec inet6 fe80::f816:3eff:fed0:60b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:df:85:3d:64:97 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-2390) 04/13/26 _x86_64_ (4 CPU) 01:08:09 LINUX RESTART (4 CPU) 01:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 41.58 2.93 21.90 16.74 545.94 4643.69 278192.17 01:30:01 20.88 0.16 17.73 3.00 4.88 1663.14 31366.77 Average: 31.24 1.55 19.82 9.88 275.66 3154.82 154895.57 01:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 10002644 13647932 2310732 14.11 132268 3633136 2629476 15.09 816168 5157748 27392 01:30:01 9117024 13216736 2738356 16.72 153064 4036148 2975240 17.08 946248 5866996 114492 Average: 9559834 13432334 2524544 15.42 142666 3834642 2802358 16.09 881208 5512372 70942 01:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 18.46 18.46 3.97 3.97 0.00 0.00 0.00 0.00 01:20:01 ens3 85.40 63.05 766.73 12.62 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 lo 1213.98 1213.98 1125.64 1125.64 0.00 0.00 0.00 0.00 01:30:01 ens3 37.52 28.15 264.04 6.39 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 615.66 615.66 564.28 564.28 0.00 0.00 0.00 0.00 Average: ens3 61.48 45.62 515.62 9.51 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-2390) 04/13/26 _x86_64_ (4 CPU) 01:08:09 LINUX RESTART (4 CPU) 01:10:00 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 37.34 0.00 1.38 0.22 0.08 60.98 01:20:01 0 37.16 0.00 1.33 0.15 0.08 61.27 01:20:01 1 36.81 0.00 1.33 0.19 0.09 61.58 01:20:01 2 37.82 0.00 1.51 0.37 0.08 60.23 01:20:01 3 37.57 0.00 1.36 0.17 0.09 60.82 01:30:01 all 27.28 0.00 1.49 0.21 0.09 70.93 01:30:01 0 25.72 0.00 1.31 0.21 0.09 72.67 01:30:01 1 27.39 0.00 1.71 0.20 0.09 70.61 01:30:01 2 28.19 0.00 1.36 0.19 0.09 70.17 01:30:01 3 27.80 0.00 1.60 0.23 0.09 70.28 Average: all 32.31 0.00 1.44 0.21 0.09 65.95 Average: 0 31.45 0.00 1.32 0.18 0.08 66.97 Average: 1 32.11 0.00 1.52 0.19 0.09 66.09 Average: 2 33.01 0.00 1.43 0.28 0.08 65.20 Average: 3 32.68 0.00 1.48 0.20 0.09 65.55