---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36674 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 11G 68G 14% / 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 642 10510 4 4836 15004 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:e7:42:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84493sec preferred_lft 84493sec inet6 fe80::f816:3eff:fee7:4232/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:08:1f:a1:a5:65 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-36674) 07/17/26 _x86_64_ (4 CPU) 15:28:22 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:03 38.17 2.84 21.66 13.67 161.99 3594.58 242910.39 15:50:03 10.66 0.49 9.08 1.09 18.60 1985.82 2783.53 16:00:01 32.84 0.57 27.41 4.87 23.98 3622.16 11829.03 Average: 27.23 1.30 19.37 6.56 68.35 3067.34 86108.10 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:03 10428544 13584360 2377456 14.52 121228 3176424 3104640 17.82 517132 5069300 31228 15:50:03 9039232 12849760 3105312 18.97 152524 3733408 3319612 19.05 685592 6189740 100528 16:00:01 10748804 15352272 597736 3.65 174364 4459040 1120752 6.43 919860 4210812 19560 Average: 10072193 13928797 2026835 12.38 149372 3789624 2515001 14.44 707528 5156617 50439 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:03 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 15:40:03 ens3 88.12 69.88 761.20 12.95 0.00 0.00 0.00 0.00 15:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:03 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 15:50:03 ens3 61.38 48.73 103.99 16.51 0.00 0.00 0.00 0.00 15:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1689.90 1689.90 1598.12 1598.12 0.00 0.00 0.00 0.00 16:00:01 ens3 117.99 106.44 369.68 191.19 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 561.90 561.90 530.77 530.77 0.00 0.00 0.00 0.00 Average: ens3 89.12 74.97 412.05 73.33 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-36674) 07/17/26 _x86_64_ (4 CPU) 15:28:22 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:03 all 31.17 0.00 1.07 0.29 0.07 67.40 15:40:03 0 33.28 0.00 1.05 0.11 0.06 65.49 15:40:03 1 29.39 0.00 1.00 0.53 0.07 69.01 15:40:03 2 30.91 0.00 1.01 0.24 0.06 67.78 15:40:03 3 31.10 0.00 1.24 0.28 0.07 67.31 15:50:03 all 71.49 0.00 2.24 0.04 0.14 26.09 15:50:03 0 71.91 0.00 2.25 0.04 0.14 25.65 15:50:03 1 71.20 0.00 1.96 0.05 0.14 26.65 15:50:03 2 70.74 0.00 2.21 0.03 0.14 26.88 15:50:03 3 72.12 0.00 2.55 0.04 0.14 25.15 16:00:01 all 38.79 0.00 2.13 0.46 0.09 58.53 16:00:01 0 38.55 0.00 2.22 0.30 0.09 58.84 16:00:01 1 37.63 0.00 2.14 0.68 0.09 59.46 16:00:01 2 42.66 0.00 2.32 0.21 0.10 54.71 16:00:01 3 36.30 0.00 1.86 0.65 0.09 61.11 Average: all 47.14 0.00 1.82 0.26 0.10 50.69 Average: 0 47.90 0.00 1.84 0.15 0.10 50.02 Average: 1 46.05 0.00 1.70 0.42 0.10 51.73 Average: 2 48.08 0.00 1.84 0.16 0.10 49.81 Average: 3 46.50 0.00 1.88 0.32 0.10 51.19