---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33806 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 12G 66G 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 761 9118 4 6109 14885 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:a5:a2:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83609sec preferred_lft 83609sec inet6 fe80::f816:3eff:fea5:a203/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:94:31:48:16:5d 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-33806) 07/07/26 _x86_64_ (4 CPU) 20:25:04 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 29.25 14.49 13.38 1.37 298.13 4149.23 3870.81 20:50:01 32.56 0.33 27.03 5.20 10.16 3374.29 2683.47 21:00:04 43.90 0.00 35.18 8.71 0.01 2677.86 7913.03 21:10:01 18.60 0.14 15.66 2.80 9.85 3826.16 2454.73 Average: 31.11 3.73 22.85 4.53 79.24 3504.75 4236.59 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 9960032 13701812 2255056 13.77 158020 3675756 2527212 14.51 645840 5350996 45808 20:50:01 8583016 13190620 2758752 16.85 194428 4436308 2978076 17.09 835380 6459320 120820 21:00:04 7968664 12895712 3049944 18.63 226216 4685340 3244008 18.62 933192 6927404 21096 21:10:01 9442224 15331484 610284 3.73 248348 5582168 1121628 6.44 1265960 5041932 4 Average: 8988484 13779907 2168509 13.24 206753 4594893 2467731 14.16 920093 5944913 46932 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 20:40:01 ens3 125.38 89.88 857.15 19.69 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 2709.55 2709.55 2584.58 2584.58 0.00 0.00 0.00 0.00 20:50:01 ens3 56.91 42.30 312.10 11.35 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:04 lo 4371.40 4371.40 4167.94 4167.94 0.00 0.00 0.00 0.00 21:00:04 ens3 66.22 48.33 19.67 16.65 0.00 0.00 0.00 0.00 21:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 lo 1117.72 1117.72 1041.24 1041.24 0.00 0.00 0.00 0.00 21:10:01 ens3 123.79 127.82 122.46 531.89 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2056.43 2056.43 1954.63 1954.63 0.00 0.00 0.00 0.00 Average: ens3 92.96 76.96 327.09 144.40 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-33806) 07/07/26 _x86_64_ (4 CPU) 20:25:04 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 68.04 0.08 2.58 0.14 0.48 28.69 20:40:01 0 68.50 0.00 2.77 0.17 0.45 28.12 20:40:01 1 68.02 0.13 2.70 0.11 0.61 28.42 20:40:01 2 68.45 0.12 2.33 0.15 0.43 28.51 20:40:01 3 67.18 0.06 2.50 0.13 0.42 29.70 20:50:01 all 45.37 0.00 2.76 0.06 0.12 51.69 20:50:01 0 47.06 0.00 2.72 0.08 0.12 50.02 20:50:01 1 43.66 0.00 2.72 0.07 0.12 53.44 20:50:01 2 45.30 0.00 2.86 0.05 0.11 51.67 20:50:01 3 45.45 0.00 2.75 0.06 0.12 51.62 21:00:04 all 65.77 0.00 4.10 0.07 0.16 29.90 21:00:04 0 64.67 0.00 3.92 0.06 0.16 31.20 21:00:04 1 65.69 0.00 3.72 0.11 0.16 30.33 21:00:04 2 67.11 0.00 4.92 0.06 0.16 27.75 21:00:04 3 65.61 0.00 3.87 0.04 0.16 30.32 21:10:01 all 38.11 0.00 1.92 0.06 0.11 59.79 21:10:01 0 34.73 0.00 1.58 0.03 0.10 63.56 21:10:01 1 33.85 0.00 1.60 0.06 0.11 64.38 21:10:01 2 44.45 0.00 2.37 0.10 0.13 52.95 21:10:01 3 39.42 0.00 2.14 0.05 0.12 58.27 Average: all 54.33 0.02 2.84 0.08 0.22 42.51 Average: 0 53.75 0.00 2.75 0.09 0.21 43.21 Average: 1 52.81 0.03 2.69 0.09 0.25 44.13 Average: 2 56.32 0.03 3.12 0.09 0.21 40.23 Average: 3 54.43 0.02 2.82 0.07 0.20 42.46