---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15558 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 9.6G 68G 13% / 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 615 11455 4 3918 15031 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:df:5b:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81293sec preferred_lft 81293sec inet6 fe80::f816:3eff:fedf:5b58/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:58:69:87:8c:ca 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-15558) 05/15/26 _x86_64_ (4 CPU) 13:51:52 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:01 1.40 0.01 1.39 0.00 0.08 16.05 0.15 14:20:01 1.38 0.00 1.38 0.00 0.01 15.31 0.00 14:30:01 1.36 0.00 1.36 0.00 0.00 14.95 0.00 14:40:01 1.36 0.00 1.36 0.00 0.00 15.51 0.00 14:50:01 1.37 0.00 1.37 0.00 0.00 15.15 0.00 15:00:01 1.39 0.00 1.39 0.00 0.00 15.89 0.00 15:10:01 31.61 1.34 29.97 0.30 98.11 697.16 394.16 Average: 5.69 0.19 5.46 0.04 14.02 112.80 56.29 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:01 13794332 15547828 471124 2.88 54656 1926000 1143540 6.56 198876 2150408 144 14:20:01 13793576 15547700 471244 2.88 55268 1926016 1143540 6.56 199480 2151188 144 14:30:01 13792088 15546956 471896 2.88 55844 1926148 1143540 6.56 200080 2151924 148 14:40:01 13789316 15544732 474008 2.90 56428 1926160 1143604 6.56 200612 2157452 172 14:50:01 13785032 15541208 477524 2.92 57004 1926292 1143668 6.56 201236 2157392 156 15:00:01 13784112 15540916 477872 2.92 57572 1926308 1143668 6.56 201816 2157776 220 15:10:01 13307192 15389388 608852 3.72 84048 2207504 1206552 6.93 260920 2514644 187868 Average: 13720807 15522675 493217 3.01 60117 1966347 1152587 6.62 209003 2205826 26979 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:10:01 ens3 0.25 0.09 0.04 0.02 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:20:01 ens3 0.19 0.07 0.04 0.02 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:01 ens3 0.20 0.09 0.04 0.02 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:40:01 ens3 0.43 0.38 0.08 0.49 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:50:01 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:00:01 ens3 0.32 0.14 0.10 0.06 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 15:10:01 ens3 25.10 17.71 133.24 5.11 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 3.81 2.65 19.07 0.82 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-15558) 05/15/26 _x86_64_ (4 CPU) 13:51:52 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:01 all 0.12 0.00 0.02 0.09 0.01 99.76 14:10:01 0 0.01 0.00 0.02 0.01 0.01 99.95 14:10:01 1 0.32 0.00 0.03 0.02 0.01 99.61 14:10:01 2 0.15 0.00 0.03 0.28 0.01 99.53 14:10:01 3 0.01 0.00 0.01 0.04 0.01 99.93 14:20:01 all 0.08 0.00 0.03 0.02 0.01 99.87 14:20:01 0 0.12 0.00 0.02 0.00 0.01 99.85 14:20:01 1 0.14 0.00 0.04 0.01 0.01 99.80 14:20:01 2 0.03 0.00 0.03 0.05 0.01 99.89 14:20:01 3 0.01 0.00 0.02 0.01 0.01 99.95 14:30:01 all 0.02 0.00 0.02 0.01 0.01 99.93 14:30:01 0 0.03 0.00 0.01 0.00 0.01 99.94 14:30:01 1 0.03 0.00 0.02 0.02 0.01 99.92 14:30:01 2 0.02 0.00 0.03 0.03 0.02 99.89 14:30:01 3 0.02 0.00 0.02 0.01 0.01 99.94 14:40:01 all 0.09 0.00 0.02 0.02 0.01 99.86 14:40:01 0 0.26 0.00 0.02 0.00 0.01 99.71 14:40:01 1 0.06 0.00 0.03 0.04 0.02 99.85 14:40:01 2 0.02 0.00 0.02 0.02 0.01 99.93 14:40:01 3 0.02 0.00 0.02 0.00 0.01 99.94 14:50:01 all 0.03 0.00 0.02 0.01 0.02 99.92 14:50:01 0 0.09 0.00 0.02 0.00 0.03 99.86 14:50:01 1 0.02 0.00 0.02 0.00 0.01 99.95 14:50:01 2 0.02 0.00 0.02 0.03 0.01 99.93 14:50:01 3 0.01 0.00 0.02 0.01 0.02 99.94 15:00:01 all 0.06 0.00 0.02 0.01 0.02 99.89 15:00:01 0 0.01 0.00 0.02 0.00 0.01 99.96 15:00:01 1 0.02 0.00 0.02 0.00 0.02 99.94 15:00:01 2 0.18 0.00 0.03 0.04 0.02 99.74 15:00:01 3 0.02 0.00 0.03 0.00 0.02 99.93 15:10:01 all 1.61 0.00 0.20 0.21 0.02 97.96 15:10:01 0 1.50 0.00 0.23 0.04 0.02 98.21 15:10:01 1 1.13 0.00 0.24 0.34 0.01 98.28 15:10:01 2 3.10 0.00 0.23 0.46 0.02 96.20 15:10:01 3 0.73 0.00 0.10 0.02 0.03 99.12 Average: all 0.29 0.00 0.05 0.05 0.01 99.60 Average: 0 0.29 0.00 0.05 0.01 0.01 99.64 Average: 1 0.25 0.00 0.06 0.06 0.01 99.62 Average: 2 0.50 0.00 0.05 0.13 0.01 99.30 Average: 3 0.12 0.00 0.03 0.01 0.02 99.83