---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41590 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 664 8172 4 7153 14981 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:08:e7:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83715sec preferred_lft 83715sec inet6 fe80::f816:3eff:fe08:e758/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:e9:3b:37:1e:f2 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41590) 08/27/26 _x86_64_ (4 CPU) 15:09:34 LINUX RESTART (4 CPU) 15:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:00 59.18 11.29 45.88 2.02 1495.97 7194.78 5231.15 15:30:08 19.39 0.06 17.17 2.16 6.41 2018.23 4849.37 15:40:06 34.13 0.02 30.67 3.44 0.51 4611.16 13603.68 15:50:01 23.87 0.04 8.51 15.32 1.22 6359.73 288675.89 Average: 34.12 2.85 25.57 5.70 376.21 5033.96 77409.71 15:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:00 10358036 13723820 2236420 13.66 127520 3380780 2737812 15.72 579472 5076396 22580 15:30:08 8794172 12613460 3341884 20.41 151400 3767156 3663368 21.03 731436 6433584 23644 15:40:06 7156116 12014692 3936356 24.04 173888 4739044 3814140 21.89 1024400 7715804 2144 15:50:01 8436208 15391484 553380 3.38 187872 6754272 1070536 6.14 1795176 5587128 339460 Average: 8686133 13435864 2517010 15.37 160170 4660313 2821464 16.20 1032621 6203228 96957 15:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:00 lo 778.19 778.19 741.59 741.59 0.00 0.00 0.00 0.00 15:20:00 ens3 155.60 119.58 1415.71 24.53 0.00 0.00 0.00 0.00 15:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:08 lo 1088.84 1088.84 1031.21 1031.21 0.00 0.00 0.00 0.00 15:30:08 ens3 27.70 24.21 41.69 9.85 0.00 0.00 0.00 0.00 15:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:06 lo 1551.58 1551.58 1477.77 1477.77 0.00 0.00 0.00 0.00 15:40:06 ens3 37.67 29.45 26.57 12.92 0.00 0.00 0.00 0.00 15:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 2568.30 2568.30 9376.59 9376.59 0.00 0.00 0.00 0.00 15:50:01 ens3 23.03 20.56 123.83 5.59 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1492.78 1492.78 3136.59 3136.59 0.00 0.00 0.00 0.00 Average: ens3 61.02 48.46 401.92 13.23 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41590) 08/27/26 _x86_64_ (4 CPU) 15:09:34 LINUX RESTART (4 CPU) 15:10:00 CPU %user %nice %system %iowait %steal %idle 15:20:00 all 29.99 0.00 1.83 0.41 0.01 67.76 15:20:00 0 28.01 0.00 1.66 0.25 0.01 70.07 15:20:00 1 32.16 0.00 1.87 0.35 0.01 65.60 15:20:00 2 30.18 0.00 1.92 0.62 0.01 67.27 15:20:00 3 29.60 0.00 1.86 0.41 0.01 68.12 15:30:08 all 63.60 0.00 2.33 0.05 0.02 33.99 15:30:08 0 63.01 0.00 2.40 0.05 0.02 34.51 15:30:08 1 63.95 0.00 2.04 0.06 0.02 33.93 15:30:08 2 63.68 0.00 2.51 0.05 0.02 33.74 15:30:08 3 63.76 0.00 2.37 0.05 0.02 33.79 15:40:06 all 60.28 0.00 2.89 0.12 0.02 36.69 15:40:06 0 61.86 0.00 2.86 0.11 0.03 35.15 15:40:06 1 60.23 0.00 3.27 0.10 0.02 36.38 15:40:06 2 57.38 0.00 2.59 0.21 0.02 39.79 15:40:06 3 61.64 0.00 2.83 0.08 0.02 35.43 15:50:01 all 31.01 0.00 1.44 0.15 0.02 67.38 15:50:01 0 27.06 0.00 1.81 0.08 0.02 71.02 15:50:01 1 34.34 0.00 1.51 0.20 0.02 63.93 15:50:01 2 32.41 0.00 0.94 0.24 0.02 66.39 15:50:01 3 30.26 0.00 1.50 0.06 0.02 68.16 Average: all 46.28 0.00 2.12 0.18 0.02 51.40 Average: 0 45.03 0.00 2.18 0.12 0.02 52.64 Average: 1 47.73 0.00 2.17 0.18 0.02 49.90 Average: 2 45.98 0.00 1.99 0.28 0.02 51.73 Average: 3 46.38 0.00 2.14 0.15 0.02 51.31