---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4235 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 641 10494 4 4853 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:37:e0:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84332sec preferred_lft 84332sec inet6 fe80::f816:3eff:fe37:e0f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:d1:9b:17:ae:92 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-4235) 04/18/26 _x86_64_ (4 CPU) 09:46:50 LINUX RESTART (4 CPU) 09:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:08 41.46 4.36 36.14 0.95 261.25 4111.96 1728.57 10:10:08 3.63 0.06 3.42 0.15 6.71 573.24 33.65 10:20:02 37.24 0.82 20.99 15.43 30.83 4091.04 254839.27 Average: 27.41 1.75 20.18 5.47 99.84 2921.34 84942.02 09:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:08 10931412 13894784 2068624 12.63 111204 3025040 2366780 13.59 491692 4618716 21696 10:10:08 9458756 12562984 3399268 20.76 116348 3148400 3587852 20.59 534404 6028224 72 10:20:02 10757104 15369172 587244 3.59 138160 4576396 1093200 6.27 899792 4297112 600548 Average: 10382424 13942313 2018379 12.33 121904 3583279 2349277 13.48 641963 4981351 207439 09:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:08 lo 0.45 0.45 0.06 0.06 0.00 0.00 0.00 0.00 10:00:08 ens3 94.15 71.83 971.67 12.61 0.00 0.00 0.00 0.00 10:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:08 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 10:10:08 ens3 8.13 6.82 36.10 1.58 0.00 0.00 0.00 0.00 10:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 lo 480.58 480.58 457.92 457.92 0.00 0.00 0.00 0.00 10:20:02 ens3 47.40 34.07 492.97 5.34 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 159.42 159.42 151.72 151.72 0.00 0.00 0.00 0.00 Average: ens3 49.90 37.58 500.27 6.52 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-4235) 04/18/26 _x86_64_ (4 CPU) 09:46:50 LINUX RESTART (4 CPU) 09:50:08 CPU %user %nice %system %iowait %steal %idle 10:00:08 all 27.30 0.00 0.95 0.28 0.06 71.42 10:00:08 0 27.24 0.00 0.67 0.15 0.05 71.90 10:00:08 1 24.37 0.00 0.92 0.11 0.06 74.54 10:00:08 2 24.73 0.00 1.07 0.37 0.06 73.78 10:00:08 3 32.85 0.00 1.13 0.50 0.06 65.46 10:10:08 all 48.51 0.00 0.64 0.03 0.10 50.72 10:10:08 0 43.10 0.00 0.62 0.03 0.09 56.17 10:10:08 1 59.28 0.00 0.68 0.01 0.11 39.93 10:10:08 2 48.26 0.00 0.71 0.05 0.10 50.88 10:10:08 3 43.41 0.00 0.57 0.02 0.09 55.90 10:20:02 all 51.15 0.00 1.58 0.27 0.22 46.78 10:20:02 0 45.19 0.00 1.43 0.31 0.29 52.78 10:20:02 1 65.43 0.00 1.60 0.10 0.16 32.72 10:20:02 2 50.67 0.00 1.82 0.35 0.26 46.91 10:20:02 3 43.35 0.00 1.46 0.32 0.19 54.68 Average: all 42.29 0.00 1.05 0.19 0.12 56.34 Average: 0 38.49 0.00 0.90 0.16 0.14 60.30 Average: 1 49.64 0.00 1.06 0.07 0.11 49.12 Average: 2 41.19 0.00 1.20 0.25 0.14 57.23 Average: 3 39.86 0.00 1.05 0.28 0.11 58.69