---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16757 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 669 8377 4 6941 14977 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:78:7f:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84046sec preferred_lft 84046sec inet6 fe80::f816:3eff:fe78:7ff9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:06:1b:89:34:84 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-16757) 05/19/26 _x86_64_ (4 CPU) 09:17:49 LINUX RESTART (4 CPU) 09:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 45.75 3.00 26.09 16.65 164.67 4755.23 249208.43 09:40:17 31.69 0.01 28.41 3.26 0.21 2461.60 12874.51 09:50:20 8.41 0.03 7.69 0.69 0.62 3063.84 39869.29 Average: 28.54 1.00 20.75 6.79 54.15 3412.47 99176.70 09:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 9916252 13445264 2513672 15.35 136844 3517464 2656444 15.25 690636 5375416 32248 09:40:17 9127396 13073412 2881908 17.60 158056 3880628 3205492 18.40 806120 6023688 24072 09:50:20 5569264 10282076 5670436 34.63 162056 4615324 5296276 30.40 1023840 9286624 28 Average: 8204304 12266917 3688672 22.53 152319 4004472 3719404 21.35 840199 6895243 18783 09:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1497.08 1497.08 1420.54 1420.54 0.00 0.00 0.00 0.00 09:30:01 ens3 136.49 102.29 965.74 21.31 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:17 lo 1299.30 1299.30 1237.79 1237.79 0.00 0.00 0.00 0.00 09:40:17 ens3 47.84 36.62 28.22 16.93 0.00 0.00 0.00 0.00 09:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:20 lo 2493.07 2493.07 9165.93 9165.93 0.00 0.00 0.00 0.00 09:50:20 ens3 15.84 11.62 8.99 4.04 0.00 0.00 0.00 0.00 09:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1761.51 1761.51 3937.54 3937.54 0.00 0.00 0.00 0.00 Average: ens3 66.19 49.78 328.51 14.07 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-16757) 05/19/26 _x86_64_ (4 CPU) 09:17:49 LINUX RESTART (4 CPU) 09:20:08 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 69.45 0.00 2.70 0.14 0.12 27.59 09:30:01 0 69.19 0.00 2.31 0.10 0.12 28.27 09:30:01 1 70.80 0.00 3.00 0.20 0.12 25.87 09:30:01 2 70.30 0.00 2.65 0.12 0.12 26.81 09:30:01 3 67.51 0.00 2.84 0.13 0.12 29.40 09:40:17 all 64.43 0.00 2.54 0.07 0.13 32.82 09:40:17 0 63.49 0.00 2.66 0.08 0.13 33.64 09:40:17 1 64.16 0.00 2.35 0.05 0.13 33.32 09:40:17 2 65.28 0.00 2.65 0.11 0.13 31.84 09:40:17 3 64.81 0.00 2.51 0.06 0.13 32.50 09:50:20 all 36.31 0.00 1.39 0.06 0.08 62.16 09:50:20 0 35.43 0.00 1.25 0.01 0.08 63.24 09:50:20 1 46.45 0.00 1.46 0.02 0.09 51.99 09:50:20 2 34.49 0.00 1.17 0.17 0.08 64.10 09:50:20 3 28.90 0.00 1.69 0.03 0.08 69.30 Average: all 56.70 0.00 2.21 0.09 0.11 40.89 Average: 0 56.00 0.00 2.08 0.06 0.11 41.75 Average: 1 60.43 0.00 2.27 0.09 0.11 37.11 Average: 2 56.66 0.00 2.15 0.13 0.11 40.94 Average: 3 53.70 0.00 2.34 0.07 0.11 43.77