---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6093 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 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 748 9826 4 5414 14898 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:da:aa:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83891sec preferred_lft 83891sec inet6 fe80::f816:3eff:feda:aab0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:86:74:b0:82:e0 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-6093) 03/19/26 _x86_64_ (4 CPU) 15:08:11 LINUX RESTART (4 CPU) 15:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:16 17.11 1.32 15.34 0.45 95.16 965.16 1373.99 15:30:42 21.68 3.03 17.71 0.94 160.64 4488.31 4097.48 15:40:23 53.01 0.33 43.05 9.63 9.91 3569.68 18299.49 Average: 30.11 1.59 24.98 3.54 90.50 3005.06 7699.97 15:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:16 13224048 15382840 610908 3.73 85336 2278992 1241888 7.13 295216 2587948 173580 15:30:42 9971848 13407332 2551604 15.58 152672 3393276 2821764 16.20 600884 5405344 88140 15:40:23 9426888 13420780 2532268 15.47 190212 3872064 2701732 15.51 759904 5749852 16448 Average: 10874261 14070317 1898260 11.59 142740 3181444 2255128 12.94 552001 4581048 92723 15:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:16 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 15:20:16 ens3 35.69 23.98 202.23 5.25 0.00 0.00 0.00 0.00 15:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:42 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 15:30:42 ens3 84.16 66.97 531.70 15.84 0.00 0.00 0.00 0.00 15:30:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:23 lo 5226.58 5226.58 4983.88 4983.88 0.00 0.00 0.00 0.00 15:40:23 ens3 61.47 46.29 321.10 11.27 0.00 0.00 0.00 0.00 15:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1665.07 1665.07 1587.28 1587.28 0.00 0.00 0.00 0.00 Average: ens3 60.55 45.86 353.28 10.80 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-6093) 03/19/26 _x86_64_ (4 CPU) 15:08:11 LINUX RESTART (4 CPU) 15:10:00 CPU %user %nice %system %iowait %steal %idle 15:20:16 all 2.03 0.00 0.24 2.21 0.02 95.51 15:20:16 0 0.83 0.00 0.18 0.26 0.01 98.73 15:20:16 1 3.03 0.00 0.36 0.85 0.02 95.74 15:20:16 2 0.98 0.00 0.14 0.14 0.02 98.73 15:20:16 3 3.29 0.00 0.26 7.58 0.02 88.84 15:30:42 all 64.56 0.00 2.22 1.31 0.13 31.78 15:30:42 0 64.36 0.00 2.10 1.54 0.14 31.86 15:30:42 1 64.31 0.00 2.28 0.95 0.13 32.34 15:30:42 2 65.79 0.00 2.10 0.79 0.14 31.17 15:30:42 3 63.78 0.00 2.38 1.96 0.14 31.74 15:40:23 all 62.07 0.00 4.02 0.56 0.13 33.22 15:40:23 0 60.64 0.00 4.30 0.32 0.12 34.62 15:40:23 1 63.10 0.00 4.12 0.65 0.13 32.01 15:40:23 2 63.35 0.00 3.86 0.84 0.13 31.82 15:40:23 3 61.19 0.00 3.79 0.43 0.13 34.46 Average: all 42.56 0.00 2.12 1.38 0.09 53.86 Average: 0 41.62 0.00 2.15 0.72 0.09 55.43 Average: 1 43.14 0.00 2.21 0.82 0.09 53.73 Average: 2 43.05 0.00 2.00 0.59 0.10 54.27 Average: 3 42.42 0.00 2.11 3.38 0.09 51.99