---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-50329 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 18G 61G 23% / 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 675 11677 3 3636 14971 Swap: 1023 1 1022 ---> 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:e2:9d:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79897sec preferred_lft 79897sec inet6 fe80::f816:3eff:fee2:9dbc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:8a:5d:93:83:d3 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-16g-50329) 03/05/26 _x86_64_ (4 CPU) 08:17:14 LINUX RESTART (4 CPU) 08:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:02 137.85 3.84 116.89 17.11 162.75 34808.82 259430.47 08:40:01 56.71 28.09 27.11 1.51 327.63 1674.62 1830.40 08:50:03 14.73 0.34 13.73 0.66 18.63 633.17 1360.31 09:00:03 13.88 0.10 13.23 0.55 3.49 357.28 646.35 09:10:01 7.27 0.02 6.98 0.28 1.34 187.58 350.75 09:20:04 6.57 0.03 6.33 0.22 2.42 156.74 301.83 09:30:05 3.92 0.01 3.81 0.10 0.72 109.60 30.24 09:40:01 5.12 0.02 4.92 0.18 1.09 138.76 457.20 09:50:16 9.15 0.02 8.82 0.31 0.69 538.15 2123.61 10:00:13 4.65 0.01 4.51 0.13 0.51 139.69 40.15 Average: 25.94 3.23 20.61 2.10 51.76 3866.79 26601.02 08:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:02 1947516 6296680 9632356 58.83 252852 3988600 10826288 62.14 2009760 11738944 1708 08:40:01 3634464 6229136 9708748 59.30 259236 2375684 11213980 64.37 1990668 10226392 216 08:50:03 8986360 11694464 4247808 25.94 263816 2484512 5097564 29.26 2027552 4855072 216 09:00:03 10224684 12974576 2968580 18.13 266280 2523844 3706944 21.28 2034472 3622968 276 09:10:01 8505080 11276692 4665436 28.49 267556 2544292 5409364 31.05 2036772 5337620 240 09:20:04 10239120 13040060 2903228 17.73 268412 2572776 4152700 23.84 2040064 3608300 13976 09:30:05 7146768 9949756 5991604 36.59 268808 2574428 6726544 38.61 2040752 6685736 248 09:40:01 6956112 9776600 6164700 37.65 269384 2591388 6889184 39.54 2044052 6868460 164 09:50:16 8538664 11469032 4473168 27.32 272752 2697968 5193896 29.81 2051200 5280172 52 10:00:13 12384052 15354228 590040 3.60 273500 2737036 1313976 7.54 2069196 1433488 19392 Average: 7856282 10806122 5134567 31.36 266260 2709053 6053044 34.74 2034449 5965715 3649 08:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:02 lo 9.42 9.42 9.77 9.77 0.00 0.00 0.00 0.00 08:30:02 ens3 63.55 49.69 1086.50 5.62 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 43.12 43.12 21.49 21.49 0.00 0.00 0.00 0.00 08:40:01 ens3 2.01 1.69 0.43 0.37 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:03 lo 28.51 28.51 11.15 11.15 0.00 0.00 0.00 0.00 08:50:03 ens3 1.13 0.95 0.30 0.25 0.00 0.00 0.00 0.00 08:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:03 lo 9.05 9.05 5.46 5.46 0.00 0.00 0.00 0.00 09:00:03 ens3 0.90 0.64 0.21 1.11 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 19.66 19.66 9.39 9.39 0.00 0.00 0.00 0.00 09:10:01 ens3 1.47 0.86 0.53 0.38 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:04 lo 28.08 28.08 9.80 9.80 0.00 0.00 0.00 0.00 09:20:04 ens3 0.71 0.57 0.18 0.13 0.00 0.00 0.00 0.00 09:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:05 lo 16.64 16.64 8.54 8.54 0.00 0.00 0.00 0.00 09:30:05 ens3 0.64 0.50 0.15 0.11 0.00 0.00 0.00 0.00 09:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 16.13 16.13 9.85 9.85 0.00 0.00 0.00 0.00 09:40:01 ens3 0.94 0.63 0.27 0.19 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:16 lo 12.50 12.50 7.08 7.08 0.00 0.00 0.00 0.00 09:50:16 ens3 0.78 0.66 0.21 0.17 0.00 0.00 0.00 0.00 09:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:13 lo 16.98 16.98 6.94 6.94 0.00 0.00 0.00 0.00 10:00:13 ens3 0.71 0.55 0.17 0.13 0.00 0.00 0.00 0.00 10:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.99 19.99 9.94 9.94 0.00 0.00 0.00 0.00 Average: ens3 7.27 5.66 108.64 0.84 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-16g-50329) 03/05/26 _x86_64_ (4 CPU) 08:17:14 LINUX RESTART (4 CPU) 08:20:03 CPU %user %nice %system %iowait %steal %idle 08:30:02 all 54.45 0.00 2.43 1.56 0.10 41.46 08:30:02 0 55.57 0.00 2.52 1.55 0.09 40.27 08:30:02 1 53.76 0.00 2.44 1.50 0.10 42.20 08:30:02 2 51.53 0.00 2.49 1.40 0.10 44.48 08:30:02 3 56.96 0.00 2.27 1.77 0.10 38.90 08:40:01 all 48.38 0.00 1.80 0.17 0.11 49.55 08:40:01 0 49.05 0.00 1.63 0.11 0.11 49.10 08:40:01 1 48.11 0.00 1.83 0.11 0.11 49.84 08:40:01 2 48.35 0.00 1.86 0.24 0.11 49.43 08:40:01 3 48.00 0.00 1.86 0.20 0.11 49.83 08:50:03 all 23.74 0.00 0.96 0.06 0.08 75.16 08:50:03 0 22.98 0.00 0.99 0.12 0.08 75.83 08:50:03 1 24.75 0.00 1.00 0.02 0.08 74.15 08:50:03 2 23.67 0.00 0.87 0.06 0.08 75.32 08:50:03 3 23.55 0.00 0.98 0.05 0.08 75.34 09:00:03 all 19.30 0.00 0.69 0.05 0.08 79.88 09:00:03 0 19.19 0.00 0.62 0.04 0.07 80.09 09:00:03 1 19.49 0.00 0.79 0.03 0.08 79.61 09:00:03 2 18.63 0.00 0.74 0.11 0.09 80.44 09:00:03 3 19.90 0.00 0.62 0.04 0.07 79.37 09:10:01 all 14.90 0.00 0.55 0.05 0.08 84.42 09:10:01 0 14.21 0.00 0.49 0.05 0.08 85.17 09:10:01 1 15.38 0.00 0.56 0.02 0.08 83.97 09:10:01 2 14.87 0.00 0.61 0.07 0.09 84.37 09:10:01 3 15.14 0.00 0.55 0.07 0.07 84.17 09:20:04 all 11.56 0.00 0.55 0.03 0.09 87.77 09:20:04 0 11.39 0.00 0.61 0.05 0.09 87.86 09:20:04 1 11.46 0.00 0.60 0.01 0.08 87.85 09:20:04 2 11.87 0.00 0.49 0.05 0.08 87.51 09:20:04 3 11.53 0.00 0.51 0.01 0.09 87.86 09:30:05 all 6.26 0.00 0.26 0.06 0.09 93.34 09:30:05 0 6.05 0.00 0.27 0.08 0.08 93.52 09:30:05 1 6.68 0.00 0.24 0.02 0.09 92.97 09:30:05 2 6.22 0.00 0.28 0.05 0.09 93.36 09:30:05 3 6.07 0.00 0.26 0.10 0.08 93.50 09:40:01 all 9.85 0.00 0.39 0.17 0.08 89.50 09:40:01 0 10.29 0.00 0.45 0.13 0.08 89.05 09:40:01 1 9.74 0.00 0.43 0.10 0.08 89.65 09:40:01 2 10.10 0.00 0.33 0.17 0.08 89.32 09:40:01 3 9.27 0.00 0.37 0.30 0.08 89.98 09:50:16 all 12.94 0.00 0.61 0.71 0.09 85.65 09:50:16 0 12.62 0.00 0.58 0.58 0.08 86.14 09:50:16 1 12.88 0.00 0.59 0.76 0.10 85.68 09:50:16 2 13.18 0.00 0.62 0.35 0.08 85.76 09:50:16 3 13.10 0.00 0.66 1.14 0.08 85.03 10:00:13 all 8.33 0.00 0.42 0.06 0.07 91.12 10:00:13 0 7.76 0.00 0.36 0.04 0.07 91.77 10:00:13 1 8.13 0.00 0.54 0.02 0.07 91.24 10:00:13 2 8.61 0.00 0.38 0.15 0.08 90.77 10:00:13 3 8.83 0.00 0.39 0.01 0.07 90.71 Average: all 20.95 0.00 0.87 0.29 0.09 77.81 Average: 0 20.89 0.00 0.85 0.28 0.08 77.90 Average: 1 21.01 0.00 0.90 0.26 0.09 77.74 Average: 2 20.68 0.00 0.87 0.27 0.09 78.10 Average: 3 21.21 0.00 0.85 0.37 0.08 77.49