---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31592 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 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 658 8253 4 7077 14988 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:46:25:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84019sec preferred_lft 84019sec inet6 fe80::f816:3eff:fe46:2553/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:4f:19:38:09:be 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-31592) 06/29/26 _x86_64_ (4 CPU) 09:36:40 LINUX RESTART (4 CPU) 09:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:04 39.20 12.35 23.85 3.00 153.45 3189.92 6720.07 10:00:04 35.00 0.01 31.30 3.70 0.13 2648.80 20650.04 10:10:04 4.77 0.03 4.51 0.24 0.35 2816.52 1394.52 Average: 26.32 4.13 19.88 2.31 51.31 2885.08 9588.21 09:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:04 9655768 13364968 2591560 15.83 144592 3662124 2720484 15.62 736612 5549512 20816 10:00:04 8908748 13070444 2882952 17.61 171620 4055884 3208660 18.42 866528 6155504 30604 10:10:04 7747636 13145804 2803624 17.12 177256 5243640 2882932 16.55 1232876 6877984 547624 Average: 8770717 13193739 2759379 16.85 164489 4320549 2937359 16.86 945339 6194333 199681 09:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:04 lo 1552.01 1552.01 1473.37 1473.37 0.00 0.00 0.00 0.00 09:50:04 ens3 53.53 44.32 77.71 14.49 0.00 0.00 0.00 0.00 09:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:04 lo 1538.62 1538.62 1465.68 1465.68 0.00 0.00 0.00 0.00 10:00:04 ens3 43.62 35.43 27.37 12.84 0.00 0.00 0.00 0.00 10:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:04 lo 2577.90 2577.90 9297.30 9297.30 0.00 0.00 0.00 0.00 10:10:04 ens3 15.65 12.47 82.86 3.44 0.00 0.00 0.00 0.00 10:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1889.51 1889.51 4078.78 4078.78 0.00 0.00 0.00 0.00 Average: ens3 37.60 30.74 62.65 10.26 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-31592) 06/29/26 _x86_64_ (4 CPU) 09:36:40 LINUX RESTART (4 CPU) 09:40:04 CPU %user %nice %system %iowait %steal %idle 09:50:04 all 67.07 0.07 2.39 0.12 0.09 30.25 09:50:04 0 66.89 0.08 2.37 0.13 0.09 30.43 09:50:04 1 67.57 0.15 2.39 0.13 0.09 29.68 09:50:04 2 67.52 0.00 2.48 0.07 0.09 29.84 09:50:04 3 66.31 0.07 2.32 0.13 0.09 31.07 10:00:04 all 64.98 0.00 2.62 0.11 0.10 32.20 10:00:04 0 63.16 0.00 2.58 0.10 0.10 34.06 10:00:04 1 67.26 0.00 2.99 0.10 0.09 29.56 10:00:04 2 64.61 0.00 2.42 0.13 0.10 32.74 10:00:04 3 64.89 0.00 2.50 0.11 0.09 32.41 10:10:04 all 31.40 0.00 1.16 0.04 0.08 67.31 10:10:04 0 28.93 0.00 1.12 0.02 0.08 69.85 10:10:04 1 31.95 0.00 0.93 0.07 0.08 66.98 10:10:04 2 34.31 0.00 1.29 0.08 0.08 64.25 10:10:04 3 30.42 0.00 1.31 0.02 0.08 68.17 Average: all 54.46 0.02 2.06 0.09 0.09 43.28 Average: 0 52.98 0.03 2.02 0.08 0.09 44.80 Average: 1 55.56 0.05 2.10 0.10 0.09 42.11 Average: 2 55.46 0.00 2.07 0.09 0.09 42.29 Average: 3 53.85 0.02 2.04 0.09 0.09 43.91