---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22506 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 682 8914 4 6391 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:4e:b9:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84275sec preferred_lft 84275sec inet6 fe80::f816:3eff:fe4e:b9ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:b7:2a:de:16:8d 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22506) 02/26/26 _x86_64_ (4 CPU) 14:05:21 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:05 31.43 2.90 25.45 3.08 160.91 4148.65 5924.14 14:30:08 33.65 0.01 30.10 3.54 0.16 2664.98 34108.89 14:40:01 12.33 0.14 10.87 1.31 7.06 8139.31 1366.33 Average: 25.89 1.02 22.21 2.65 56.37 4964.94 13872.42 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:05 8715332 12165196 3794076 23.17 136368 3439108 3712332 21.31 677972 6602676 8784 14:30:08 8249720 12170472 3784952 23.12 159528 3851704 3708440 21.29 804532 6900708 41516 14:40:01 9166956 15352204 595672 3.64 176376 6027336 1081832 6.21 1604152 5080204 12960 Average: 8710669 13229291 2724900 16.64 157424 4439383 2834201 16.27 1028885 6194529 21087 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:05 lo 1467.17 1467.17 1390.77 1390.77 0.00 0.00 0.00 0.00 14:20:05 ens3 118.84 91.28 800.41 19.80 0.00 0.00 0.00 0.00 14:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:08 lo 1432.90 1432.90 1364.24 1364.24 0.00 0.00 0.00 0.00 14:30:08 ens3 41.93 35.17 41.50 12.94 0.00 0.00 0.00 0.00 14:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 252.66 252.66 6928.92 6928.92 0.00 0.00 0.00 0.00 14:40:01 ens3 92.74 99.43 122.15 1066.34 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1055.88 1055.88 3204.96 3204.96 0.00 0.00 0.00 0.00 Average: ens3 84.47 75.16 322.72 362.01 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22506) 02/26/26 _x86_64_ (4 CPU) 14:05:21 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:05 all 68.67 0.00 2.51 0.08 0.09 28.65 14:20:05 0 68.85 0.00 2.36 0.09 0.09 28.61 14:20:05 1 70.14 0.00 2.79 0.08 0.09 26.90 14:20:05 2 67.92 0.00 2.31 0.06 0.09 29.61 14:20:05 3 67.77 0.00 2.59 0.08 0.09 29.47 14:30:08 all 63.84 0.00 2.56 0.11 0.09 33.41 14:30:08 0 63.96 0.00 2.88 0.15 0.09 32.92 14:30:08 1 63.22 0.00 2.50 0.07 0.09 34.11 14:30:08 2 63.93 0.00 2.41 0.14 0.09 33.43 14:30:08 3 64.22 0.00 2.44 0.07 0.09 33.17 14:40:01 all 31.23 0.00 1.05 0.12 0.07 67.53 14:40:01 0 36.93 0.00 1.10 0.07 0.07 61.82 14:40:01 1 26.83 0.00 1.13 0.11 0.07 71.85 14:40:01 2 35.58 0.00 0.90 0.03 0.08 63.41 14:40:01 3 25.57 0.00 1.06 0.25 0.08 73.04 Average: all 54.71 0.00 2.05 0.10 0.09 43.06 Average: 0 56.68 0.00 2.12 0.10 0.08 41.02 Average: 1 53.55 0.00 2.15 0.09 0.08 44.13 Average: 2 55.93 0.00 1.88 0.08 0.09 42.03 Average: 3 52.67 0.00 2.04 0.13 0.09 45.08