---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-470706 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 13G 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 641 8672 4 6675 15005 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:ab:aa:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84168sec preferred_lft 84168sec inet6 fe80::f816:3eff:feab:aa52/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:43:09:86:86:4f 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-470706) 03/14/26 _x86_64_ (4 CPU) 09:54:29 LINUX RESTART (4 CPU) 10:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:11 31.88 2.88 25.93 3.08 158.97 4160.94 6160.19 10:20:01 31.40 0.01 28.15 3.25 0.16 2517.37 18586.74 10:30:11 28.56 0.14 13.25 15.17 6.38 8605.46 235928.88 Average: 30.60 1.01 22.36 7.23 55.35 5129.29 88064.42 10:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:11 8756064 12316596 3641244 22.24 140888 3542520 3576188 20.53 693748 6535560 12624 10:20:01 8722028 12808060 3146144 19.22 165480 4007152 3069728 17.62 821856 6404108 113028 10:30:11 8889044 15364332 581508 3.55 183616 6302612 1085200 6.23 1678072 5267156 4 Average: 8789045 13496329 2456299 15.00 163328 4617428 2577039 14.79 1064559 6068941 41885 10:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:11 lo 1400.95 1400.95 1329.08 1329.08 0.00 0.00 0.00 0.00 10:10:11 ens3 118.62 86.62 807.85 19.91 0.00 0.00 0.00 0.00 10:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 1524.28 1524.28 1452.63 1452.63 0.00 0.00 0.00 0.00 10:20:01 ens3 42.82 35.25 47.31 11.58 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:11 lo 313.12 313.12 6789.83 6789.83 0.00 0.00 0.00 0.00 10:30:11 ens3 76.81 84.96 113.02 1036.43 0.00 0.00 0.00 0.00 10:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1072.74 1072.74 3219.47 3219.47 0.00 0.00 0.00 0.00 Average: ens3 79.67 69.26 323.79 361.57 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-470706) 03/14/26 _x86_64_ (4 CPU) 09:54:29 LINUX RESTART (4 CPU) 10:00:09 CPU %user %nice %system %iowait %steal %idle 10:10:11 all 69.39 0.00 2.69 0.11 0.12 27.69 10:10:11 0 68.79 0.00 2.49 0.12 0.12 28.48 10:10:11 1 71.60 0.00 2.93 0.06 0.13 25.29 10:10:11 2 67.42 0.00 2.46 0.14 0.12 29.86 10:10:11 3 69.75 0.00 2.87 0.11 0.13 27.14 10:20:01 all 63.26 0.00 2.58 0.10 0.11 33.96 10:20:01 0 61.39 0.00 2.31 0.09 0.11 36.10 10:20:01 1 61.92 0.00 2.58 0.14 0.11 35.24 10:20:01 2 65.79 0.00 2.77 0.08 0.11 31.25 10:20:01 3 63.93 0.00 2.64 0.08 0.11 33.25 10:30:11 all 35.31 0.00 1.15 0.30 0.07 63.17 10:30:11 0 36.04 0.00 0.81 0.13 0.07 62.96 10:30:11 1 42.63 0.00 1.12 0.14 0.08 56.04 10:30:11 2 35.19 0.00 1.21 0.34 0.07 63.18 10:30:11 3 27.38 0.00 1.46 0.60 0.07 70.50 Average: all 55.81 0.00 2.13 0.17 0.10 41.79 Average: 0 55.24 0.00 1.86 0.11 0.10 42.69 Average: 1 58.60 0.00 2.20 0.11 0.10 38.98 Average: 2 55.94 0.00 2.14 0.19 0.10 41.63 Average: 3 53.46 0.00 2.31 0.27 0.10 43.86