---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20431 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 67G 15% / 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 722 9558 4 5708 14924 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:f8:0f:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84212sec preferred_lft 84212sec inet6 fe80::f816:3eff:fef8:f81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:b8:8f:89:42:aa 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20431) 02/24/26 _x86_64_ (4 CPU) 12:38:02 LINUX RESTART (4 CPU) 12:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 44.94 3.04 26.68 15.22 553.32 5787.34 248455.45 13:00:08 33.57 0.04 29.98 3.54 1.15 3297.16 45568.06 13:10:01 12.36 0.03 10.57 1.76 0.44 3961.96 84861.28 Average: 30.35 1.03 22.47 6.84 184.56 4344.82 126016.56 12:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 9665796 13462480 2493580 15.23 156832 3733160 2670952 15.33 851992 5437252 13152 13:00:08 8646112 12962656 2989460 18.26 180644 4186220 3191800 18.32 988028 6275648 4884 13:10:01 6974016 12069040 3879964 23.70 188008 4930688 4020348 23.08 1043668 7852584 53984 Average: 8428641 12831392 3121001 19.06 175161 4283356 3294367 18.91 961229 6521828 24007 12:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 663.25 663.25 631.33 631.33 0.00 0.00 0.00 0.00 12:50:01 ens3 104.67 81.60 929.97 17.71 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:08 lo 1639.45 1639.45 1561.73 1561.73 0.00 0.00 0.00 0.00 13:00:08 ens3 41.93 30.39 130.31 9.47 0.00 0.00 0.00 0.00 13:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 0.92 0.92 0.08 0.08 0.00 0.00 0.00 0.00 13:10:01 ens3 36.59 30.04 105.23 9.44 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 773.87 773.87 736.76 736.76 0.00 0.00 0.00 0.00 Average: ens3 61.03 47.31 387.98 12.20 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20431) 02/24/26 _x86_64_ (4 CPU) 12:38:02 LINUX RESTART (4 CPU) 12:40:03 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 60.70 0.00 2.06 0.21 0.11 36.93 12:50:01 0 61.12 0.00 2.35 0.17 0.11 36.25 12:50:01 1 62.32 0.00 1.79 0.20 0.11 35.58 12:50:01 2 59.96 0.00 2.11 0.14 0.11 37.69 12:50:01 3 59.40 0.00 1.99 0.33 0.11 38.18 13:00:08 all 52.82 0.00 2.44 2.92 0.14 41.68 13:00:08 0 51.91 0.00 2.13 4.38 0.15 41.42 13:00:08 1 51.84 0.00 2.48 3.89 0.13 41.66 13:00:08 2 54.43 0.00 2.56 2.06 0.14 40.81 13:00:08 3 53.12 0.00 2.58 1.35 0.14 42.81 13:10:01 all 36.46 0.00 1.25 18.20 0.10 43.99 13:10:01 0 38.67 0.00 1.22 14.45 0.09 45.57 13:10:01 1 38.12 0.00 1.43 18.31 0.10 42.05 13:10:01 2 33.46 0.00 1.22 14.62 0.13 50.58 13:10:01 3 35.60 0.00 1.14 25.42 0.10 37.74 Average: all 50.06 0.00 1.92 7.05 0.12 40.85 Average: 0 50.63 0.00 1.90 6.29 0.12 41.06 Average: 1 50.81 0.00 1.90 7.41 0.11 39.76 Average: 2 49.36 0.00 1.96 5.56 0.13 42.99 Average: 3 49.45 0.00 1.91 8.93 0.12 39.59