---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38145 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 17% / 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 677 8265 4 7046 14969 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:0e:4a:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83794sec preferred_lft 83794sec inet6 fe80::f816:3eff:fe0e:4aeb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:c7:85:53:ec:f8 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-38145) 07/23/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:07 22.43 0.07 19.65 2.71 6.76 2310.16 4572.69 19:30:01 35.64 0.02 32.04 3.58 0.28 4697.98 13761.35 19:40:07 8.64 0.03 8.28 0.33 0.32 6433.03 3692.67 Average: 22.14 0.04 19.90 2.19 2.45 4486.87 7304.65 19:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:07 8615104 12334956 3622476 22.12 143268 3682808 3752220 21.54 714824 6636928 16464 19:30:01 7897808 12662512 3290100 20.09 168836 4654900 3353928 19.25 1008708 7012176 2872 19:40:07 6024860 12532424 3413760 20.85 183980 6322884 3498120 20.08 1655256 8164988 25504 Average: 7512591 12509964 3442112 21.02 165361 4886864 3534756 20.29 1126263 7271364 14947 19:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:07 lo 1307.45 1307.45 1239.66 1239.66 0.00 0.00 0.00 0.00 19:20:07 ens3 51.77 39.23 48.36 12.84 0.00 0.00 0.00 0.00 19:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1496.81 1496.81 1426.16 1426.16 0.00 0.00 0.00 0.00 19:30:01 ens3 46.69 37.93 27.55 13.73 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:07 lo 2530.03 2530.03 9189.12 9189.12 0.00 0.00 0.00 0.00 19:40:07 ens3 18.72 17.17 124.58 4.14 0.00 0.00 0.00 0.00 19:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1781.96 1781.96 3980.63 3980.63 0.00 0.00 0.00 0.00 Average: ens3 38.95 31.37 67.19 10.20 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-38145) 07/23/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:07 CPU %user %nice %system %iowait %steal %idle 19:20:07 all 65.86 0.00 2.22 0.04 0.09 31.79 19:20:07 0 63.75 0.00 2.06 0.03 0.10 34.05 19:20:07 1 65.23 0.00 2.42 0.03 0.10 32.23 19:20:07 2 65.52 0.00 2.04 0.06 0.09 32.29 19:20:07 3 68.94 0.00 2.36 0.05 0.09 28.57 19:30:01 all 63.19 0.00 2.57 0.10 0.09 34.05 19:30:01 0 61.20 0.00 2.35 0.14 0.09 36.22 19:30:01 1 62.46 0.00 2.60 0.04 0.09 34.81 19:30:01 2 65.16 0.00 2.61 0.15 0.09 31.99 19:30:01 3 63.93 0.00 2.73 0.06 0.09 33.19 19:40:07 all 30.36 0.00 1.16 0.99 0.09 67.41 19:40:07 0 30.12 0.00 1.72 1.83 0.09 66.25 19:40:07 1 23.88 0.00 1.17 0.44 0.09 74.42 19:40:07 2 40.38 0.00 1.11 1.65 0.09 56.77 19:40:07 3 27.07 0.00 0.64 0.04 0.08 72.17 Average: all 53.00 0.00 1.98 0.38 0.09 44.55 Average: 0 51.58 0.00 2.04 0.67 0.09 45.62 Average: 1 50.35 0.00 2.06 0.17 0.09 47.32 Average: 2 56.92 0.00 1.91 0.63 0.09 40.45 Average: 3 53.15 0.00 1.90 0.05 0.09 44.81