---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20410 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 15% / 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 700 8996 4 6291 14945 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:63:c7:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84485sec preferred_lft 84485sec inet6 fe80::f816:3eff:fe63:c72a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:98:2f:ed:af:24 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-20410) 05/26/26 _x86_64_ (4 CPU) 15:50:40 LINUX RESTART (4 CPU) 16:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:15 9.59 0.01 8.06 1.52 0.20 684.07 36505.89 16:20:15 53.12 0.60 33.48 19.04 19.97 8436.05 311872.46 Average: 31.09 0.30 20.61 10.17 9.96 4512.52 172500.57 16:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:15 9255172 13181448 2774900 16.95 137820 3893416 3108076 17.84 892792 5819864 12368 16:20:15 9272300 15357372 588200 3.59 176136 5912700 1124320 6.45 1774780 4779572 544 Average: 9263736 14269410 1681550 10.27 156978 4903058 2116198 12.15 1333786 5299718 6456 16:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:15 lo 57.27 57.27 14.40 14.40 0.00 0.00 0.00 0.00 16:10:15 ens3 5.03 5.05 4.30 1.68 0.00 0.00 0.00 0.00 16:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:15 lo 2497.17 2497.17 2398.73 2398.73 0.00 0.00 0.00 0.00 16:20:15 ens3 86.07 70.95 471.80 161.97 0.00 0.00 0.00 0.00 16:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1262.26 1262.26 1191.94 1191.94 0.00 0.00 0.00 0.00 Average: ens3 45.05 37.60 235.18 80.84 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-20410) 05/26/26 _x86_64_ (4 CPU) 15:50:40 LINUX RESTART (4 CPU) 16:00:00 CPU %user %nice %system %iowait %steal %idle 16:10:15 all 16.05 0.00 0.81 0.05 0.09 83.00 16:10:15 0 14.99 0.00 0.83 0.03 0.09 84.06 16:10:15 1 16.32 0.00 0.73 0.01 0.09 82.85 16:10:15 2 16.42 0.00 0.88 0.11 0.09 82.50 16:10:15 3 16.48 0.00 0.82 0.02 0.09 82.59 16:20:15 all 51.67 0.00 2.81 0.18 0.11 45.23 16:20:15 0 50.57 0.00 2.53 0.11 0.11 46.69 16:20:15 1 51.15 0.00 2.92 0.17 0.11 45.65 16:20:15 2 51.21 0.00 3.04 0.16 0.10 45.48 16:20:15 3 53.76 0.00 2.73 0.30 0.11 43.11 Average: all 33.63 0.00 1.80 0.11 0.10 64.36 Average: 0 32.55 0.00 1.67 0.07 0.10 65.61 Average: 1 33.49 0.00 1.81 0.09 0.10 64.51 Average: 2 33.60 0.00 1.95 0.14 0.10 64.21 Average: 3 34.88 0.00 1.76 0.16 0.10 63.11