---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-108309 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 617 10547 4 4824 15029 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:5e:fb:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84434sec preferred_lft 84434sec inet6 fe80::f816:3eff:fe5e:fb87/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:1e:c0:0f:72:67 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-108309) 03/06/26 _x86_64_ (4 CPU) 07:08:03 LINUX RESTART (4 CPU) 07:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 40.56 3.00 34.63 2.93 163.95 5027.27 15577.69 07:30:29 31.66 0.04 28.42 3.21 1.85 2583.28 31593.49 07:40:29 6.93 0.11 5.64 1.17 12.05 2943.24 3603.37 Average: 26.42 1.03 22.94 2.45 58.04 3498.33 17157.66 07:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 9393272 12804728 3154740 19.27 132440 3409012 3767144 21.62 669140 5939376 25068 07:30:29 8506744 12395208 3560732 21.75 161536 3821464 3625416 20.81 805492 6633416 40584 07:40:29 10837860 15420340 534024 3.26 163648 4493276 1053560 6.05 1021764 4073048 25844 Average: 9579292 13540092 2416499 14.76 152541 3907917 2815373 16.16 832132 5548613 30499 07:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 1525.10 1525.10 1447.40 1447.40 0.00 0.00 0.00 0.00 07:20:01 ens3 111.32 83.57 945.65 14.67 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:29 lo 1378.16 1378.16 1313.03 1313.03 0.00 0.00 0.00 0.00 07:30:29 ens3 25.15 22.48 43.61 6.64 0.00 0.00 0.00 0.00 07:30:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:29 lo 642.17 642.17 7326.82 7326.82 0.00 0.00 0.00 0.00 07:40:29 ens3 6.33 5.37 3.48 2.74 0.00 0.00 0.00 0.00 07:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1183.72 1183.72 3336.95 3336.95 0.00 0.00 0.00 0.00 Average: ens3 47.04 36.76 324.38 7.97 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-108309) 03/06/26 _x86_64_ (4 CPU) 07:08:03 LINUX RESTART (4 CPU) 07:10:07 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 70.83 0.00 2.61 0.13 0.11 26.32 07:20:01 0 68.83 0.00 2.43 0.16 0.11 28.47 07:20:01 1 69.56 0.00 2.64 0.12 0.11 27.59 07:20:01 2 73.61 0.00 2.59 0.13 0.11 23.57 07:20:01 3 71.34 0.00 2.78 0.10 0.11 25.67 07:30:29 all 63.58 0.00 2.47 0.09 0.10 33.76 07:30:29 0 63.83 0.00 2.67 0.08 0.10 33.33 07:30:29 1 63.63 0.00 2.47 0.10 0.10 33.70 07:30:29 2 63.82 0.00 2.39 0.07 0.11 33.62 07:30:29 3 63.03 0.00 2.35 0.13 0.10 34.39 07:40:29 all 26.81 0.00 0.78 0.10 0.06 72.26 07:40:29 0 29.42 0.00 0.75 0.04 0.06 69.73 07:40:29 1 22.75 0.00 0.92 0.13 0.06 76.14 07:40:29 2 18.45 0.00 0.79 0.17 0.06 80.52 07:40:29 3 36.64 0.00 0.65 0.04 0.06 62.61 Average: all 53.80 0.00 1.96 0.10 0.09 44.05 Average: 0 54.10 0.00 1.96 0.09 0.09 43.76 Average: 1 52.09 0.00 2.01 0.12 0.09 45.69 Average: 2 51.99 0.00 1.93 0.12 0.09 45.87 Average: 3 57.02 0.00 1.93 0.09 0.09 40.87