---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-442094 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5600.00 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 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 673 8793 4 6522 14973 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:12:45:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83431sec preferred_lft 83431sec inet6 fe80::f816:3eff:fe12:45e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:c1:fe:06:ad:3a 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-442094) 03/11/26 _x86_64_ (4 CPU) 10:58:58 LINUX RESTART (4 CPU) 11:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:10 14.41 0.06 1.62 12.73 2.77 27.11 243127.12 11:20:00 31.62 4.13 26.81 0.67 243.99 3137.67 1252.21 11:30:00 27.47 1.00 23.64 2.83 41.50 3254.11 6656.70 11:40:02 33.08 0.00 29.65 3.43 0.11 2487.80 17190.22 Average: 26.63 1.29 20.41 4.93 71.36 2223.24 67280.10 11:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:10 13789132 15531276 487964 2.98 54460 1914712 1127068 6.47 198096 2144304 32 11:20:00 11717352 14614000 1351320 8.25 107804 2965112 1738864 9.98 430536 3887076 281444 11:30:00 9931284 13360980 2598708 15.87 133568 3424216 2913952 16.73 675968 5388428 10580 11:40:02 9536000 13385428 2570472 15.70 157164 3790428 2787256 16.00 798540 5606816 36620 Average: 11243442 14222921 1752116 10.70 113249 3023617 2141785 12.29 525785 4256656 82169 11:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:10 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:10:10 ens3 0.62 0.26 0.25 0.15 0.00 0.00 0.00 0.00 11:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 0.35 0.35 0.05 0.05 0.00 0.00 0.00 0.00 11:20:00 ens3 99.70 73.69 1071.32 12.07 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 1561.40 1561.40 1481.95 1481.95 0.00 0.00 0.00 0.00 11:30:00 ens3 46.70 37.05 130.95 9.68 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:02 lo 1591.45 1591.45 1515.79 1515.79 0.00 0.00 0.00 0.00 11:40:02 ens3 25.04 22.18 40.92 6.54 0.00 0.00 0.00 0.00 11:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 792.03 792.03 752.97 752.97 0.00 0.00 0.00 0.00 Average: ens3 42.78 33.13 307.66 7.09 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-442094) 03/11/26 _x86_64_ (4 CPU) 10:58:58 LINUX RESTART (4 CPU) 11:00:10 CPU %user %nice %system %iowait %steal %idle 11:10:10 all 0.17 0.00 0.03 0.13 0.02 99.64 11:10:10 0 0.02 0.00 0.03 0.40 0.01 99.55 11:10:10 1 0.04 0.00 0.04 0.09 0.02 99.82 11:10:10 2 0.60 0.00 0.03 0.02 0.03 99.31 11:10:10 3 0.04 0.00 0.02 0.03 0.02 99.89 11:20:00 all 8.57 0.00 0.58 1.12 0.04 89.69 11:20:00 0 9.48 0.00 0.59 2.53 0.03 87.38 11:20:00 1 7.98 0.00 0.64 0.61 0.04 90.73 11:20:00 2 8.11 0.00 0.58 0.60 0.03 90.68 11:20:00 3 8.73 0.00 0.50 0.75 0.04 89.98 11:30:00 all 69.01 0.00 2.48 0.54 0.13 27.84 11:30:00 0 68.57 0.00 2.56 1.10 0.13 27.65 11:30:00 1 69.68 0.00 2.32 0.47 0.13 27.40 11:30:00 2 69.33 0.00 2.52 0.32 0.13 27.71 11:30:00 3 68.45 0.00 2.54 0.28 0.13 28.60 11:40:02 all 63.15 0.00 2.61 0.66 0.13 33.46 11:40:02 0 62.67 0.00 2.37 0.45 0.12 34.39 11:40:02 1 63.54 0.00 2.57 0.96 0.13 32.80 11:40:02 2 64.87 0.00 2.95 0.33 0.13 31.73 11:40:02 3 61.52 0.00 2.57 0.89 0.12 34.90 Average: all 35.26 0.00 1.43 0.61 0.08 62.63 Average: 0 35.21 0.00 1.39 1.11 0.07 62.22 Average: 1 35.34 0.00 1.39 0.53 0.08 62.66 Average: 2 35.75 0.00 1.52 0.32 0.08 62.33 Average: 3 34.72 0.00 1.41 0.48 0.08 63.31