---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458988 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 631 10565 4 4793 15015 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:81:cd:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84709sec preferred_lft 84709sec inet6 fe80::f816:3eff:fe81:cd18/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:df:47:a2:81:6e 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-458988) 03/13/26 _x86_64_ (4 CPU) 07:13:32 LINUX RESTART (4 CPU) 07:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 3.52 0.07 3.28 0.17 7.32 533.37 50.64 07:40:07 31.70 0.51 16.60 14.58 18.73 2414.78 240970.53 Average: 17.90 0.30 10.08 7.52 13.14 1493.25 122966.05 07:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 10783188 13787840 2175952 13.29 113328 3054188 2425132 13.92 497836 4751912 26424 07:40:07 9088192 12794328 3164736 19.33 133040 3698756 3310128 19.00 715256 6190724 266264 Average: 9935690 13291084 2670344 16.31 123184 3376472 2867630 16.46 606546 5471318 146344 07:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 0.62 0.62 0.39 0.39 0.00 0.00 0.00 0.00 07:30:01 ens3 11.55 8.75 37.54 2.40 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:07 lo 442.74 442.74 421.76 421.76 0.00 0.00 0.00 0.00 07:40:07 ens3 38.00 27.83 404.56 3.89 0.00 0.00 0.00 0.00 07:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 226.19 226.19 215.37 215.37 0.00 0.00 0.00 0.00 Average: ens3 25.04 18.48 224.79 3.16 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-458988) 03/13/26 _x86_64_ (4 CPU) 07:13:32 LINUX RESTART (4 CPU) 07:20:20 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 49.61 0.00 0.68 0.05 0.08 49.59 07:30:01 0 40.37 0.00 0.59 0.04 0.08 58.92 07:30:01 1 56.45 0.00 0.74 0.08 0.08 42.66 07:30:01 2 57.31 0.00 0.77 0.01 0.08 41.84 07:30:01 3 44.32 0.00 0.63 0.07 0.07 54.90 07:40:07 all 59.15 0.00 1.22 0.05 0.09 39.49 07:40:07 0 51.41 0.00 1.20 0.05 0.08 47.26 07:40:07 1 47.76 0.00 1.14 0.07 0.08 50.95 07:40:07 2 55.79 0.00 1.12 0.06 0.09 42.94 07:40:07 3 81.64 0.00 1.41 0.04 0.10 16.83 Average: all 54.47 0.00 0.95 0.05 0.08 44.44 Average: 0 46.00 0.00 0.90 0.04 0.08 52.98 Average: 1 52.02 0.00 0.94 0.07 0.08 46.89 Average: 2 56.54 0.00 0.95 0.03 0.08 42.40 Average: 3 63.35 0.00 1.03 0.05 0.09 35.48