---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66392 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: 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 12G 66G 16% / 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 679 8841 4 6468 14967 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:11:65:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84151sec preferred_lft 84151sec inet6 fe80::f816:3eff:fe11:65af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:54:52:3b:4e:7f 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-66392) 04/04/26 _x86_64_ (4 CPU) 05:23:27 LINUX RESTART (4 CPU) 05:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 22.67 0.07 19.83 2.77 6.61 2305.15 3986.13 05:50:11 31.80 0.03 28.54 3.23 0.49 4353.79 13213.94 06:00:04 10.99 0.29 9.56 1.13 11.50 5610.73 1651.03 Average: 21.91 0.13 19.39 2.38 6.15 4095.02 6349.51 05:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8606712 12310492 3646800 22.27 143352 3674916 3694904 21.21 761060 6606244 5984 05:50:11 7610048 12333200 3618900 22.10 166636 4623768 3537760 20.31 1042056 7263992 5024 06:00:04 9129304 15394108 553012 3.38 183532 6098668 1036044 5.95 1627984 5075276 2632 Average: 8448688 13345933 2606237 15.92 164507 4799117 2756236 15.82 1143700 6315171 4547 05:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1326.49 1326.49 1257.61 1257.61 0.00 0.00 0.00 0.00 05:40:01 ens3 42.59 37.01 54.18 13.60 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:11 lo 1408.65 1408.65 1338.62 1338.62 0.00 0.00 0.00 0.00 05:50:11 ens3 42.12 32.17 39.51 12.39 0.00 0.00 0.00 0.00 05:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:04 lo 245.13 245.13 6914.67 6914.67 0.00 0.00 0.00 0.00 06:00:04 ens3 88.68 97.79 118.68 1015.74 0.00 0.00 0.00 0.00 06:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 996.64 996.64 3156.80 3156.80 0.00 0.00 0.00 0.00 Average: ens3 57.68 55.47 70.54 344.75 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-66392) 04/04/26 _x86_64_ (4 CPU) 05:23:27 LINUX RESTART (4 CPU) 05:30:11 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 67.88 0.00 2.26 0.06 0.09 29.71 05:40:01 0 66.61 0.00 2.51 0.07 0.09 30.72 05:40:01 1 69.24 0.00 1.97 0.05 0.09 28.64 05:40:01 2 68.04 0.00 2.56 0.06 0.09 29.25 05:40:01 3 67.64 0.00 2.00 0.06 0.09 30.21 05:50:11 all 60.33 0.00 2.49 0.12 0.09 36.98 05:50:11 0 60.54 0.00 2.24 0.24 0.09 36.90 05:50:11 1 58.66 0.00 2.55 0.07 0.09 38.64 05:50:11 2 60.87 0.00 2.64 0.08 0.09 36.31 05:50:11 3 61.27 0.00 2.53 0.07 0.08 36.05 06:00:04 all 25.81 0.00 0.85 0.12 0.06 73.15 06:00:04 0 20.69 0.00 0.56 0.20 0.06 78.48 06:00:04 1 24.70 0.00 0.97 0.05 0.06 74.22 06:00:04 2 34.50 0.00 0.89 0.09 0.06 64.46 06:00:04 3 23.35 0.00 0.97 0.15 0.07 75.46 Average: all 51.38 0.00 1.87 0.10 0.08 46.57 Average: 0 49.35 0.00 1.77 0.17 0.08 48.63 Average: 1 50.90 0.00 1.83 0.06 0.08 47.13 Average: 2 54.49 0.00 2.04 0.08 0.08 43.32 Average: 3 50.80 0.00 1.84 0.09 0.08 47.19