---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27131 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 664 8921 4 6402 14981 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:9d:63:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84413sec preferred_lft 84413sec inet6 fe80::f816:3eff:fe9d:6331/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:2e:eb:f0:25:61 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-27131) 06/13/26 _x86_64_ (4 CPU) 17:29:50 LINUX RESTART (4 CPU) 17:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 73.85 23.63 48.67 1.55 1663.71 9382.42 4595.48 17:50:01 5.57 0.18 5.05 0.35 5.16 1331.99 3429.69 18:00:01 7.74 0.00 7.50 0.24 0.03 6062.95 2609.83 Average: 29.08 7.95 20.42 0.71 557.01 5594.89 3545.68 17:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 9888460 13209536 2750224 16.80 125932 3326808 3159076 18.13 637348 5470060 19316 17:50:01 9053788 13151672 2803528 17.12 139784 4050436 3273276 18.79 928048 5962516 408948 18:00:01 7528780 13097824 2851824 17.42 157900 5450520 3348552 19.22 1584324 6761408 180992 Average: 8823676 13153011 2801859 17.11 141205 4275921 3260301 18.71 1049907 6064661 203085 17:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 9.06 9.06 1.34 1.34 0.00 0.00 0.00 0.00 17:40:01 ens3 135.68 102.87 1000.39 61.94 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 2.01 2.01 0.36 0.36 0.00 0.00 0.00 0.00 17:50:01 ens3 51.60 46.36 30.61 414.63 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 2557.04 2557.04 9293.59 9293.59 0.00 0.00 0.00 0.00 18:00:01 ens3 38.56 40.81 208.76 546.96 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 855.49 855.49 3096.43 3096.43 0.00 0.00 0.00 0.00 Average: ens3 75.32 63.37 413.63 341.00 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-27131) 06/13/26 _x86_64_ (4 CPU) 17:29:50 LINUX RESTART (4 CPU) 17:30:00 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 44.18 0.08 1.78 0.47 0.07 53.43 17:40:01 0 45.62 0.01 1.70 0.36 0.07 52.24 17:40:01 1 43.15 0.26 2.06 0.64 0.08 53.82 17:40:01 2 44.66 0.03 1.74 0.52 0.07 52.99 17:40:01 3 43.30 0.01 1.60 0.35 0.07 54.67 17:50:01 all 46.32 0.00 1.47 0.03 0.07 52.11 17:50:01 0 46.01 0.00 1.54 0.05 0.07 52.33 17:50:01 1 45.40 0.00 1.45 0.02 0.07 53.06 17:50:01 2 47.45 0.00 1.44 0.05 0.07 50.99 17:50:01 3 46.41 0.00 1.44 0.01 0.07 52.07 18:00:01 all 28.94 0.00 1.22 0.07 0.07 69.70 18:00:01 0 28.62 0.00 0.95 0.09 0.07 70.28 18:00:01 1 35.16 0.00 1.72 0.10 0.08 62.93 18:00:01 2 28.80 0.00 1.20 0.07 0.07 69.85 18:00:01 3 23.18 0.00 0.99 0.03 0.07 75.72 Average: all 39.81 0.03 1.49 0.19 0.07 58.42 Average: 0 40.08 0.00 1.40 0.16 0.07 58.28 Average: 1 41.24 0.09 1.74 0.25 0.08 56.60 Average: 2 40.30 0.01 1.46 0.21 0.07 57.95 Average: 3 37.62 0.00 1.35 0.13 0.07 60.83