---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31377 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: 5600.00 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 67G 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 690 10126 4 5172 14956 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:91:68:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84096sec preferred_lft 84096sec inet6 fe80::f816:3eff:fe91:68a7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:5b:24:a5:54:7a 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-31377) 06/28/26 _x86_64_ (4 CPU) 15:26:18 LINUX RESTART (4 CPU) 15:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 16.52 2.52 12.94 1.06 741.00 3780.03 18123.25 15:50:09 31.92 0.76 16.11 15.05 27.61 3199.88 300729.37 16:00:10 20.82 0.39 16.72 3.70 13.56 2191.15 11121.15 Average: 23.16 1.22 15.27 6.67 257.23 3054.05 111337.32 15:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10153408 13786760 2172376 13.27 133868 3621164 2532572 14.54 747384 5093204 22960 15:50:09 8799044 13367800 2583568 15.78 169004 4445384 2767064 15.88 972916 6136596 107688 16:00:10 10439920 15376520 571944 3.49 177812 4784168 1104700 6.34 1106128 4317968 164 Average: 9797457 14177027 1775963 10.85 160228 4283572 2134779 12.25 942143 5182589 43604 15:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.98 0.98 0.10 0.10 0.00 0.00 0.00 0.00 15:40:01 ens3 114.79 88.66 847.01 17.79 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:09 lo 935.49 935.49 892.26 892.26 0.00 0.00 0.00 0.00 15:50:09 ens3 73.28 53.39 321.72 14.86 0.00 0.00 0.00 0.00 15:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:10 lo 1826.68 1826.68 1728.92 1728.92 0.00 0.00 0.00 0.00 16:00:10 ens3 73.58 75.31 127.84 154.05 0.00 0.00 0.00 0.00 16:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 925.74 925.74 878.24 878.24 0.00 0.00 0.00 0.00 Average: ens3 87.01 72.28 429.59 62.23 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-31377) 06/28/26 _x86_64_ (4 CPU) 15:26:18 LINUX RESTART (4 CPU) 15:30:09 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 49.21 0.00 1.78 0.21 0.12 48.68 15:40:01 0 49.56 0.00 1.87 0.36 0.12 48.09 15:40:01 1 48.72 0.00 1.71 0.12 0.11 49.33 15:40:01 2 48.09 0.00 1.59 0.17 0.11 50.03 15:40:01 3 50.48 0.00 1.94 0.19 0.12 47.27 15:50:09 all 64.37 0.00 2.41 3.17 0.15 29.89 15:50:09 0 66.54 0.00 2.41 1.41 0.16 29.49 15:50:09 1 63.22 0.00 2.25 4.71 0.15 29.67 15:50:09 2 64.87 0.00 2.43 3.00 0.15 29.54 15:50:09 3 62.87 0.00 2.55 3.58 0.15 30.84 16:00:10 all 37.19 0.00 1.92 7.62 0.13 53.14 16:00:10 0 34.81 0.00 1.60 4.56 0.12 58.90 16:00:10 1 37.70 0.00 1.91 12.25 0.14 48.00 16:00:10 2 38.31 0.00 2.19 7.20 0.14 52.16 16:00:10 3 37.93 0.00 1.99 6.46 0.14 53.49 Average: all 50.33 0.00 2.04 3.68 0.13 43.81 Average: 0 50.37 0.00 1.96 2.12 0.13 45.41 Average: 1 49.94 0.00 1.96 5.72 0.13 42.25 Average: 2 50.51 0.00 2.07 3.47 0.14 43.81 Average: 3 50.49 0.00 2.16 3.43 0.14 43.78