---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22341 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 12G 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 650 9430 4 5908 14995 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:23:b1:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84490sec preferred_lft 84490sec inet6 fe80::f816:3eff:fe23:b1d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:0f:db:b8:5b:0f 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-22341) 03/24/26 _x86_64_ (4 CPU) 17:38:49 LINUX RESTART (4 CPU) 17:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:09 38.46 3.46 31.45 3.55 183.97 4896.15 45597.65 18:00:07 24.98 12.05 11.07 1.86 135.97 1454.31 29597.43 18:10:09 47.88 0.47 29.29 18.11 17.98 7329.66 244140.59 Average: 37.12 5.32 23.95 7.85 112.55 4564.64 106613.29 17:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:09 9670300 13010488 2949224 18.01 128152 3341600 3095064 17.77 659624 5651780 156 18:00:07 9524464 13306972 2649100 16.18 151640 3714632 2761608 15.85 796124 5614496 10104 18:10:09 9722536 15417976 528424 3.23 176416 5519444 1019576 5.85 1628360 4479620 11812 Average: 9639100 13911812 2042249 12.47 152069 4191892 2292083 13.16 1028036 5248632 7357 17:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:09 lo 16.93 16.93 3.66 3.66 0.00 0.00 0.00 0.00 17:50:09 ens3 89.16 67.54 734.09 14.49 0.00 0.00 0.00 0.00 17:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:07 lo 473.50 473.50 416.56 416.56 0.00 0.00 0.00 0.00 18:00:07 ens3 31.37 21.95 237.58 5.15 0.00 0.00 0.00 0.00 18:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:09 lo 2050.67 2050.67 1974.32 1974.32 0.00 0.00 0.00 0.00 18:10:09 ens3 109.59 110.01 254.61 913.25 0.00 0.00 0.00 0.00 18:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 848.27 848.27 799.40 799.40 0.00 0.00 0.00 0.00 Average: ens3 76.77 66.57 408.77 311.67 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-22341) 03/24/26 _x86_64_ (4 CPU) 17:38:49 LINUX RESTART (4 CPU) 17:40:09 CPU %user %nice %system %iowait %steal %idle 17:50:09 all 34.15 0.00 1.39 0.19 0.09 64.18 17:50:09 0 33.83 0.00 1.58 0.32 0.09 64.18 17:50:09 1 35.59 0.00 1.38 0.10 0.10 62.84 17:50:09 2 32.17 0.00 1.45 0.18 0.09 66.11 17:50:09 3 35.00 0.00 1.14 0.16 0.09 63.62 18:00:07 all 22.77 0.08 1.17 0.17 0.09 75.73 18:00:07 0 21.26 0.08 1.31 0.19 0.09 77.08 18:00:07 1 22.73 0.13 1.20 0.18 0.09 75.67 18:00:07 2 23.40 0.00 1.20 0.20 0.09 75.11 18:00:07 3 23.69 0.11 0.96 0.10 0.09 75.04 18:10:09 all 48.74 0.00 2.49 0.14 0.10 48.53 18:10:09 0 51.16 0.00 2.60 0.24 0.10 45.90 18:10:09 1 51.77 0.00 2.60 0.04 0.10 45.49 18:10:09 2 47.76 0.00 2.58 0.16 0.10 49.40 18:10:09 3 44.26 0.00 2.19 0.11 0.09 53.35 Average: all 35.23 0.03 1.68 0.16 0.09 62.80 Average: 0 35.44 0.03 1.83 0.25 0.09 62.37 Average: 1 36.71 0.04 1.73 0.11 0.10 61.32 Average: 2 34.46 0.00 1.74 0.18 0.10 63.52 Average: 3 34.31 0.04 1.43 0.12 0.09 64.00