---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36937 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 625 9092 4 6271 15021 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:11:57:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84309sec preferred_lft 84309sec inet6 fe80::f816:3eff:fe11:576a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:8d:8b:87:96:4e 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-36937) 07/18/26 _x86_64_ (4 CPU) 17:29:51 LINUX RESTART (4 CPU) 17:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:33 65.11 11.14 40.13 13.83 1453.44 8751.86 230427.17 17:50:33 6.16 0.18 5.63 0.35 5.12 2618.05 1130.93 18:00:33 8.42 0.00 7.96 0.45 0.03 4343.68 64225.93 Average: 27.24 3.91 18.30 5.04 503.34 5300.17 100932.07 17:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:33 9846208 13056784 2904464 17.74 122344 3232356 3180736 18.26 581208 5579480 16780 17:50:33 8630148 12598856 3358116 20.51 135372 3940432 3478880 19.97 866616 6462052 2064 18:00:33 7699868 13078420 2873652 17.55 155244 5281628 3067640 17.61 1518484 6689540 263132 Average: 8725408 12911353 3045411 18.60 137653 4151472 3242419 18.61 988769 6243691 93992 17:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:33 lo 8.64 8.64 1.27 1.27 0.00 0.00 0.00 0.00 17:40:33 ens3 130.34 102.45 873.18 62.35 0.00 0.00 0.00 0.00 17:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:33 lo 5.31 5.31 3.26 3.26 0.00 0.00 0.00 0.00 17:50:33 ens3 52.18 46.31 26.35 413.86 0.00 0.00 0.00 0.00 17:50:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:33 lo 2546.54 2546.54 9293.77 9293.77 0.00 0.00 0.00 0.00 18:00:33 ens3 30.61 33.83 174.76 547.39 0.00 0.00 0.00 0.00 18:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 838.52 838.52 3044.50 3044.50 0.00 0.00 0.00 0.00 Average: ens3 72.09 61.60 367.23 336.25 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-36937) 07/18/26 _x86_64_ (4 CPU) 17:29:51 LINUX RESTART (4 CPU) 17:30:00 CPU %user %nice %system %iowait %steal %idle 17:40:33 all 46.65 0.00 1.73 1.20 0.09 50.34 17:40:33 0 46.04 0.00 1.70 2.15 0.09 50.01 17:40:33 1 42.81 0.00 1.52 1.18 0.08 54.41 17:40:33 2 48.69 0.00 1.93 1.01 0.09 48.28 17:40:33 3 49.05 0.00 1.76 0.45 0.09 48.65 17:50:33 all 43.76 0.00 1.44 1.47 0.09 53.23 17:50:33 0 41.16 0.00 1.36 0.63 0.09 56.77 17:50:33 1 46.04 0.00 1.57 1.66 0.09 50.63 17:50:33 2 46.01 0.00 1.49 3.29 0.09 49.12 17:50:33 3 41.84 0.00 1.36 0.28 0.10 56.42 18:00:33 all 26.79 0.00 1.12 3.00 0.09 68.99 18:00:33 0 19.20 0.00 1.11 0.85 0.08 78.76 18:00:33 1 29.69 0.00 0.82 4.76 0.09 64.64 18:00:33 2 25.05 0.00 0.99 4.28 0.10 69.59 18:00:33 3 33.26 0.00 1.57 2.12 0.10 62.95 Average: all 39.21 0.00 1.44 1.88 0.09 57.39 Average: 0 35.65 0.00 1.40 1.22 0.09 61.64 Average: 1 39.58 0.00 1.31 2.51 0.09 56.51 Average: 2 40.08 0.00 1.48 2.83 0.09 55.52 Average: 3 41.52 0.00 1.57 0.94 0.09 55.87