---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-482176 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 627 8795 4 6566 15019 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:45:b6:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84411sec preferred_lft 84411sec inet6 fe80::f816:3eff:fe45:b6e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:c5:32:ad:b0:59 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-482176) 03/15/26 _x86_64_ (4 CPU) 15:59:20 LINUX RESTART (4 CPU) 16:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 62.18 4.85 53.30 4.02 281.78 6696.51 16862.71 16:20:09 28.29 0.02 25.41 2.87 0.24 2377.79 24311.68 16:30:12 18.27 0.14 16.25 1.88 6.32 8663.22 5706.38 Average: 36.15 1.66 31.58 2.92 95.33 5900.62 15647.30 16:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 9920328 13421140 2536592 15.49 142572 3483756 2859052 16.41 676452 5396324 17476 16:20:09 8826228 12770900 3183576 19.44 164504 3871016 3230760 18.54 799404 6331072 22688 16:30:12 9026536 15391608 554776 3.39 184640 6191512 1094852 6.28 1635308 5186940 12 Average: 9257697 13861216 2091648 12.77 163905 4515428 2394888 13.75 1037055 5638112 13392 16:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1415.67 1415.67 1342.96 1342.96 0.00 0.00 0.00 0.00 16:10:01 ens3 166.08 123.42 1245.97 30.93 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:09 lo 1151.21 1151.21 1096.66 1096.66 0.00 0.00 0.00 0.00 16:20:09 ens3 45.65 34.05 46.99 11.42 0.00 0.00 0.00 0.00 16:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:12 lo 551.85 551.85 7100.87 7100.87 0.00 0.00 0.00 0.00 16:30:12 ens3 62.07 60.51 111.19 405.05 0.00 0.00 0.00 0.00 16:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1038.83 1038.83 3179.57 3179.57 0.00 0.00 0.00 0.00 Average: ens3 90.93 72.41 464.73 149.08 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-482176) 03/15/26 _x86_64_ (4 CPU) 15:59:20 LINUX RESTART (4 CPU) 16:00:04 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 62.18 0.00 2.80 0.35 0.08 34.59 16:10:01 0 63.07 0.00 2.99 0.17 0.09 33.69 16:10:01 1 63.77 0.00 3.05 0.18 0.09 32.91 16:10:01 2 60.47 0.00 2.52 0.87 0.08 36.07 16:10:01 3 61.40 0.00 2.66 0.17 0.08 35.69 16:20:09 all 66.10 0.00 2.40 0.07 0.08 31.35 16:20:09 0 65.22 0.00 2.33 0.08 0.08 32.28 16:20:09 1 65.59 0.00 2.23 0.07 0.08 32.03 16:20:09 2 67.40 0.00 2.64 0.05 0.08 29.83 16:20:09 3 66.20 0.00 2.39 0.09 0.08 31.24 16:30:12 all 38.49 0.00 1.41 0.18 0.07 59.84 16:30:12 0 31.17 0.00 1.28 0.10 0.07 67.38 16:30:12 1 38.65 0.00 1.58 0.34 0.07 59.36 16:30:12 2 39.51 0.00 1.22 0.17 0.07 59.03 16:30:12 3 44.66 0.00 1.57 0.12 0.07 53.58 Average: all 55.58 0.00 2.20 0.20 0.08 41.93 Average: 0 53.13 0.00 2.20 0.12 0.08 44.47 Average: 1 56.00 0.00 2.29 0.20 0.08 41.44 Average: 2 55.78 0.00 2.13 0.36 0.08 41.66 Average: 3 57.42 0.00 2.21 0.13 0.08 40.17