---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11081 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 13G 65G 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 655 8388 4 6946 14991 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:bf:d5:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84170sec preferred_lft 84170sec inet6 fe80::f816:3eff:febf:d54d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:71:8c:0b:a1:79 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11081) 05/05/26 _x86_64_ (4 CPU) 10:44:10 LINUX RESTART (4 CPU) 10:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:00 35.46 0.07 19.22 16.18 6.47 2122.35 250111.96 11:10:01 31.63 0.04 28.47 3.12 0.75 4489.19 16752.43 11:20:01 12.52 0.30 10.80 1.43 11.41 7416.97 51635.15 Average: 26.53 0.13 19.50 6.89 6.21 4680.04 105915.38 10:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:00 9077444 12835824 3121208 19.06 146732 3717520 3173924 18.22 730324 6165380 108120 11:10:01 7456672 12139884 3812736 23.29 164048 4584484 3503032 20.11 1007444 7446944 668 11:20:01 8620624 15372736 572312 3.50 180600 6570776 1121092 6.44 1758032 5449760 148 Average: 8384913 13449481 2502085 15.28 163793 4957593 2599349 14.92 1165267 6354028 36312 10:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:00 lo 1199.32 1199.32 1135.63 1135.63 0.00 0.00 0.00 0.00 11:00:00 ens3 51.90 36.40 24.71 11.12 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 1278.72 1278.72 1212.28 1212.28 0.00 0.00 0.00 0.00 11:10:01 ens3 43.36 34.83 49.41 11.89 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 2437.64 2437.64 9284.07 9284.07 0.00 0.00 0.00 0.00 11:20:01 ens3 83.34 94.45 144.11 1207.05 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1639.12 1639.12 3880.68 3880.68 0.00 0.00 0.00 0.00 Average: ens3 59.54 55.25 72.81 410.50 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11081) 05/05/26 _x86_64_ (4 CPU) 10:44:10 LINUX RESTART (4 CPU) 10:50:03 CPU %user %nice %system %iowait %steal %idle 11:00:00 all 68.64 0.00 2.28 0.04 0.13 28.91 11:00:00 0 69.63 0.00 2.05 0.03 0.13 28.16 11:00:00 1 67.47 0.00 2.29 0.07 0.13 30.04 11:00:00 2 69.15 0.00 2.36 0.02 0.12 28.34 11:00:00 3 68.31 0.00 2.40 0.05 0.13 29.11 11:10:01 all 59.07 0.00 2.38 0.09 0.13 38.34 11:10:01 0 56.34 0.00 2.22 0.07 0.12 41.25 11:10:01 1 59.94 0.00 2.18 0.06 0.13 37.70 11:10:01 2 63.55 0.00 2.68 0.11 0.13 33.53 11:10:01 3 56.45 0.00 2.45 0.11 0.13 40.86 11:20:01 all 36.17 0.00 1.31 0.12 0.09 62.31 11:20:01 0 28.07 0.00 1.72 0.15 0.09 69.97 11:20:01 1 38.40 0.00 1.15 0.16 0.09 60.20 11:20:01 2 36.46 0.00 1.13 0.15 0.09 62.17 11:20:01 3 41.79 0.00 1.23 0.03 0.09 56.86 Average: all 54.59 0.00 1.99 0.08 0.11 43.22 Average: 0 51.28 0.00 2.00 0.08 0.11 46.53 Average: 1 55.24 0.00 1.87 0.10 0.11 42.68 Average: 2 56.37 0.00 2.06 0.09 0.12 41.37 Average: 3 55.50 0.00 2.03 0.06 0.11 42.30