---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35713 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5599.86 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 68G 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 685 10472 4 4831 14960 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:d4:25:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84370sec preferred_lft 84370sec inet6 fe80::f816:3eff:fed4:2558/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:a1:8d:be:a1:13 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-35713) 07/14/26 _x86_64_ (4 CPU) 08:47:28 LINUX RESTART (4 CPU) 08:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:01 7.27 2.02 5.11 0.14 130.11 1401.25 279.17 09:10:01 12.32 0.46 10.70 1.15 17.82 2356.26 2400.19 09:20:03 28.60 0.58 23.69 4.34 22.26 3818.86 5025.24 Average: 16.17 1.01 13.26 1.89 55.97 2538.42 2594.30 08:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:01 11478248 14410500 1553240 9.49 115012 2979584 1963336 11.27 467260 4082020 37684 09:10:01 9772728 13385108 2571940 15.71 145808 3560260 2868000 16.46 640288 5547112 22456 09:20:03 10772564 15359480 590536 3.61 174044 4443388 1113876 6.39 898728 4191980 384 Average: 10674513 14385029 1571905 9.60 144955 3661077 1981737 11.38 668759 4607037 20175 08:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 09:00:01 ens3 62.28 48.95 606.87 8.05 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 09:10:01 ens3 70.34 54.98 101.02 18.05 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:03 lo 1638.98 1638.98 1549.80 1549.80 0.00 0.00 0.00 0.00 09:20:03 ens3 114.23 100.70 409.86 156.95 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 553.98 553.98 523.36 523.36 0.00 0.00 0.00 0.00 Average: ens3 82.53 68.45 370.40 61.69 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-35713) 07/14/26 _x86_64_ (4 CPU) 08:47:28 LINUX RESTART (4 CPU) 08:50:19 CPU %user %nice %system %iowait %steal %idle 09:00:01 all 11.32 0.00 0.47 0.04 0.03 88.14 09:00:01 0 10.86 0.00 0.44 0.01 0.03 88.66 09:00:01 1 11.19 0.00 0.52 0.07 0.03 88.19 09:00:01 2 11.46 0.00 0.53 0.07 0.04 87.90 09:00:01 3 11.75 0.00 0.41 0.01 0.03 87.79 09:10:01 all 72.69 0.00 2.20 0.03 0.10 24.98 09:10:01 0 74.64 0.00 2.07 0.02 0.10 23.17 09:10:01 1 70.30 0.00 2.26 0.03 0.11 27.30 09:10:01 2 72.38 0.00 2.32 0.04 0.10 25.16 09:10:01 3 73.45 0.00 2.15 0.02 0.10 24.28 09:20:03 all 49.21 0.00 2.20 0.07 0.09 48.42 09:20:03 0 52.33 0.00 2.30 0.06 0.09 45.22 09:20:03 1 49.09 0.00 2.12 0.03 0.09 48.67 09:20:03 2 48.87 0.00 2.12 0.08 0.09 48.85 09:20:03 3 46.55 0.00 2.27 0.12 0.09 50.97 Average: all 44.71 0.00 1.64 0.05 0.08 53.54 Average: 0 46.28 0.00 1.62 0.03 0.07 52.01 Average: 1 43.82 0.00 1.65 0.04 0.08 54.42 Average: 2 44.52 0.00 1.66 0.06 0.08 53.67 Average: 3 44.21 0.00 1.62 0.05 0.07 54.05