---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11639 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 16% / 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 682 8303 4 7002 14963 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:55:d6:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83755sec preferred_lft 83755sec inet6 fe80::f816:3eff:fe55:d670/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:74:45:61:46:7c 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-11639) 05/07/26 _x86_64_ (4 CPU) 06:19:30 LINUX RESTART (4 CPU) 06:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:01 52.86 4.85 45.41 2.60 280.94 5931.11 3434.33 06:40:07 26.62 0.01 23.60 3.01 0.20 2223.83 6582.34 06:50:11 20.78 0.03 18.83 1.92 0.70 3888.22 6769.74 07:00:01 23.79 12.37 10.19 1.23 145.20 7204.81 2250.36 Average: 31.02 4.26 24.56 2.20 106.19 4794.51 4776.93 06:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:01 9825328 13315020 2644452 16.15 135668 3484052 2756908 15.82 646716 5528224 115404 06:40:07 9281920 13086620 2869540 17.53 151432 3754828 2870420 16.48 756696 5919252 25008 06:50:11 5632632 10341552 5611256 34.27 164056 4608808 5309708 30.48 1019484 9258072 156 07:00:01 8554236 15364344 581240 3.55 186652 6608224 1103420 6.33 1794364 5462260 200 Average: 8323529 13026884 2926622 17.87 159452 4613978 3010114 17.28 1054315 6541952 35192 06:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:01 lo 1102.22 1102.22 1044.67 1044.67 0.00 0.00 0.00 0.00 06:30:01 ens3 152.09 117.06 1275.20 22.89 0.00 0.00 0.00 0.00 06:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:07 lo 1308.38 1308.38 1246.54 1246.54 0.00 0.00 0.00 0.00 06:40:07 ens3 41.28 31.36 20.57 11.44 0.00 0.00 0.00 0.00 06:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:11 lo 865.64 865.64 5264.39 5264.39 0.00 0.00 0.00 0.00 06:50:11 ens3 29.42 22.51 19.90 7.67 0.00 0.00 0.00 0.00 06:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 2374.75 2374.75 4772.74 4772.74 0.00 0.00 0.00 0.00 07:00:01 ens3 74.24 87.26 143.17 1202.02 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1407.68 1407.68 3073.86 3073.86 0.00 0.00 0.00 0.00 Average: ens3 74.11 64.31 364.31 306.13 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-11639) 05/07/26 _x86_64_ (4 CPU) 06:19:30 LINUX RESTART (4 CPU) 06:20:01 CPU %user %nice %system %iowait %steal %idle 06:30:01 all 46.22 0.00 2.04 0.30 0.07 51.37 06:30:01 0 43.96 0.00 1.96 0.17 0.07 53.85 06:30:01 1 47.74 0.00 2.15 0.20 0.07 49.85 06:30:01 2 46.02 0.00 2.19 0.69 0.08 51.02 06:30:01 3 47.17 0.00 1.86 0.14 0.07 50.76 06:40:07 all 65.41 0.00 2.36 0.06 0.08 32.09 06:40:07 0 64.87 0.00 2.15 0.05 0.08 32.85 06:40:07 1 67.19 0.00 2.11 0.05 0.08 30.56 06:40:07 2 63.93 0.00 2.75 0.08 0.08 33.15 06:40:07 3 65.65 0.00 2.41 0.07 0.08 31.79 06:50:11 all 48.00 0.00 1.76 0.12 0.08 50.04 06:50:11 0 48.09 0.00 1.72 0.13 0.08 49.98 06:50:11 1 49.72 0.00 1.75 0.27 0.08 48.18 06:50:11 2 52.80 0.00 1.89 0.03 0.08 45.21 06:50:11 3 41.41 0.00 1.68 0.05 0.08 56.79 07:00:01 all 20.71 0.08 0.98 0.41 0.05 77.77 07:00:01 0 26.46 0.31 0.97 0.68 0.05 71.52 07:00:01 1 17.18 0.00 1.30 0.09 0.05 81.38 07:00:01 2 17.31 0.00 1.02 0.83 0.05 80.77 07:00:01 3 21.88 0.00 0.63 0.04 0.05 77.40 Average: all 45.23 0.02 1.79 0.22 0.07 52.67 Average: 0 45.96 0.08 1.70 0.26 0.07 51.93 Average: 1 45.61 0.00 1.83 0.15 0.07 52.34 Average: 2 45.17 0.00 1.97 0.41 0.07 52.38 Average: 3 44.16 0.00 1.65 0.08 0.07 54.05