---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23913 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: 5599.99 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 16% / 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 645 8700 4 6643 15001 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:80:ec:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84156sec preferred_lft 84156sec inet6 fe80::f816:3eff:fe80:ecf2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:f6:4b:7f:e2:f2 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-23913) 06/05/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 22.41 0.07 19.47 2.87 6.58 2254.38 5977.14 05:50:12 45.90 0.03 28.94 16.93 0.56 4435.66 248052.05 06:00:06 13.08 0.32 11.29 1.48 14.21 5642.39 39408.44 Average: 27.30 0.14 19.98 7.19 7.06 4115.43 99251.19 05:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 7878916 11759840 4196652 25.63 143256 3846476 4266688 24.49 835408 7245084 18308 05:50:12 7100268 11998576 3952992 24.14 162476 4797312 3911312 22.45 1116768 7700416 2868 06:00:06 8992184 15437312 509032 3.11 179224 6276572 1054764 6.05 1703912 5140440 11644 Average: 7990456 13065243 2886225 17.63 161652 4973453 3077588 17.67 1218696 6695313 10940 05:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1349.84 1349.84 1279.39 1279.39 0.00 0.00 0.00 0.00 05:40:01 ens3 57.81 45.78 55.49 14.04 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:12 lo 1308.74 1308.74 1245.05 1245.05 0.00 0.00 0.00 0.00 05:50:12 ens3 45.82 34.97 39.73 12.38 0.00 0.00 0.00 0.00 05:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:06 lo 369.20 369.20 6911.39 6911.39 0.00 0.00 0.00 0.00 06:00:06 ens3 91.64 101.61 117.95 1014.32 0.00 0.00 0.00 0.00 06:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1011.65 1011.65 3129.85 3129.85 0.00 0.00 0.00 0.00 Average: ens3 64.92 60.57 70.79 344.20 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-23913) 06/05/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:09 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 69.24 0.00 2.35 0.04 0.10 28.27 05:40:01 0 67.84 0.00 2.57 0.03 0.10 29.46 05:40:01 1 70.03 0.00 2.26 0.04 0.10 27.58 05:40:01 2 69.20 0.00 2.32 0.03 0.10 28.34 05:40:01 3 69.88 0.00 2.27 0.06 0.10 27.69 05:50:12 all 59.43 0.00 2.46 0.12 0.10 37.89 05:50:12 0 59.01 0.00 2.58 0.09 0.09 38.24 05:50:12 1 60.73 0.00 2.55 0.06 0.10 36.56 05:50:12 2 60.80 0.00 2.60 0.21 0.10 36.29 05:50:12 3 57.19 0.00 2.12 0.12 0.09 40.48 06:00:06 all 25.79 0.00 0.95 0.15 0.06 73.05 06:00:06 0 21.07 0.00 0.82 0.07 0.06 77.99 06:00:06 1 32.74 0.00 0.87 0.14 0.06 66.18 06:00:06 2 31.56 0.00 0.64 0.22 0.07 67.51 06:00:06 3 17.83 0.00 1.47 0.17 0.07 80.47 Average: all 51.51 0.00 1.93 0.10 0.09 46.37 Average: 0 49.31 0.00 1.99 0.06 0.08 48.55 Average: 1 54.52 0.00 1.90 0.08 0.09 43.42 Average: 2 53.89 0.00 1.86 0.15 0.09 44.00 Average: 3 48.33 0.00 1.95 0.12 0.09 49.51