---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-464247 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: 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 630 8038 4 7320 15016 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:51:d6:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84163sec preferred_lft 84163sec inet6 fe80::f816:3eff:fe51:d6b2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:7f:7c:0d:78:ed 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 inet6 fe80::887f:7cff:fe0d:78ed/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-464247) 03/13/26 _x86_64_ (4 CPU) 17:53:39 LINUX RESTART (4 CPU) 18:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:10:07 29.45 0.39 26.03 3.03 411.77 3196.89 8755.97 18:20:07 24.83 0.03 22.45 2.36 0.36 4002.68 8907.58 18:30:03 39.36 2.13 35.80 1.43 365.49 8081.44 5192.95 Average: 31.21 0.85 28.09 2.27 257.66 5103.15 7614.59 18:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:07 9077060 13088552 2866792 17.51 147432 3969328 3084084 17.70 845704 6048972 117332 18:20:07 6467292 11315900 4635624 28.31 165040 4751748 4509284 25.88 1140696 8313556 348 18:30:03 8299248 15434952 504540 3.08 199860 6902912 1072196 6.15 1920080 5561252 260 Average: 7947867 13279801 2668985 16.30 170777 5207996 2888521 16.58 1302160 6641260 39313 18:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:10:07 lo 1481.47 1481.47 1405.98 1405.98 0.00 0.00 0.00 0.00 18:10:07 ens3 27.86 21.28 142.68 6.30 0.00 0.00 0.00 0.00 18:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:07 lo 1004.42 1004.42 3164.75 3164.75 0.00 0.00 0.00 0.00 18:20:07 ens3 23.47 19.28 32.70 5.96 0.00 0.00 0.00 0.00 18:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:03 lo 173.05 173.05 4591.38 4591.38 0.00 0.00 0.00 0.00 18:30:03 ens3 164.90 176.85 443.01 1966.74 0.00 0.00 0.00 0.00 18:30:03 docker0 80.88 74.41 981.58 161.30 0.00 0.00 0.00 0.00 Average: lo 882.83 882.83 3064.68 3064.68 0.00 0.00 0.00 0.00 Average: ens3 72.24 72.67 206.14 662.30 0.00 0.00 0.00 0.00 Average: docker0 27.07 24.90 328.51 53.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-464247) 03/13/26 _x86_64_ (4 CPU) 17:53:39 LINUX RESTART (4 CPU) 18:00:23 CPU %user %nice %system %iowait %steal %idle 18:10:07 all 66.21 0.00 2.54 0.08 0.09 31.08 18:10:07 0 67.79 0.00 2.74 0.06 0.09 29.32 18:10:07 1 64.79 0.00 2.58 0.09 0.09 32.45 18:10:07 2 66.98 0.00 2.29 0.07 0.10 30.57 18:10:07 3 65.27 0.00 2.53 0.11 0.09 32.00 18:20:07 all 54.94 0.00 2.22 0.12 0.09 42.63 18:20:07 0 54.87 0.00 2.17 0.12 0.08 42.75 18:20:07 1 52.88 0.00 1.84 0.20 0.09 44.99 18:20:07 2 53.82 0.00 2.23 0.10 0.09 43.77 18:20:07 3 58.19 0.00 2.63 0.08 0.09 39.02 18:30:03 all 28.03 0.00 1.86 0.31 0.07 69.73 18:30:03 0 32.05 0.00 2.00 0.37 0.07 65.51 18:30:03 1 22.51 0.00 1.23 0.10 0.07 76.09 18:30:03 2 22.37 0.00 2.23 0.40 0.07 74.94 18:30:03 3 35.18 0.00 1.98 0.36 0.07 62.40 Average: all 49.61 0.00 2.20 0.17 0.08 47.93 Average: 0 51.46 0.00 2.30 0.19 0.08 45.97 Average: 1 46.61 0.00 1.88 0.13 0.08 51.29 Average: 2 47.58 0.00 2.25 0.19 0.08 49.90 Average: 3 52.80 0.00 2.38 0.18 0.09 44.56