---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13179 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: 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 60G 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 680 11620 3 3688 14966 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:bf:ef:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79497sec preferred_lft 79497sec inet6 fe80::f816:3eff:febf:efbd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:1e:e4:d4:86:60 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-16g-13179) 02/18/26 _x86_64_ (4 CPU) 07:01:43 LINUX RESTART (4 CPU) 07:10:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:11 74.36 22.73 48.57 3.06 341.52 5280.91 3431.37 07:30:26 21.13 4.93 15.40 0.80 84.32 434.46 697.27 07:40:26 8.91 0.12 8.34 0.45 8.36 304.69 498.87 07:50:26 16.03 0.04 15.29 0.69 1.19 685.07 419.00 08:00:26 30.09 0.11 13.59 16.39 2.45 427.72 209731.08 08:10:26 4.87 0.00 4.71 0.15 0.52 127.56 66.12 08:20:13 4.74 0.01 4.64 0.08 0.54 87.08 390.82 08:30:26 6.38 0.01 6.09 0.28 1.03 235.00 144.01 08:40:26 6.01 0.01 5.85 0.16 0.16 168.00 60.00 08:50:26 10.20 0.02 9.80 0.39 0.63 560.65 83.31 Average: 18.15 2.76 13.15 2.24 43.48 820.00 21540.30 07:10:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:11 6536900 9026228 6908940 42.20 257608 2287128 7877012 45.21 1938092 7391192 2308 07:30:26 3617104 6155284 9781788 59.74 260108 2333724 10869700 62.39 1986312 10253604 456 07:40:26 7174080 9737088 6199412 37.86 261200 2357492 6989000 40.12 1993252 6697816 236 07:50:26 11086196 13771960 2169600 13.25 266088 2475308 2933284 16.84 2029476 2786348 36 08:00:26 8772020 11523932 4416308 26.97 270196 2537352 5195608 29.82 2040876 5075956 244 08:10:26 8821000 11588072 4352392 26.58 270588 2552116 5162940 29.64 2041948 5018700 316 08:20:13 11608972 14396532 1544988 9.44 271016 2572188 2884788 16.56 2043696 2246320 16856 08:30:26 7378548 10186640 5752888 35.14 271816 2591904 6592276 37.84 2047372 6461824 168 08:40:26 8712796 11543572 4396752 26.85 272572 2613832 5142444 29.52 2049764 5129296 124 08:50:26 8240660 11190604 4749572 29.01 276204 2729308 5270256 30.25 2064084 5560556 88 Average: 8194828 10911991 5027264 30.70 267740 2505035 5891731 33.82 2023487 5662161 2083 07:10:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:11 lo 27.31 27.31 18.79 18.79 0.00 0.00 0.00 0.00 07:20:11 ens3 2.33 1.90 0.71 0.59 0.00 0.00 0.00 0.00 07:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:26 lo 31.95 31.95 13.69 13.69 0.00 0.00 0.00 0.00 07:30:26 ens3 1.43 1.13 0.30 1.38 0.00 0.00 0.00 0.00 07:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:26 lo 23.58 23.58 11.22 11.22 0.00 0.00 0.00 0.00 07:40:26 ens3 0.91 0.59 0.20 0.15 0.00 0.00 0.00 0.00 07:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:26 lo 11.27 11.27 5.58 5.58 0.00 0.00 0.00 0.00 07:50:26 ens3 2.41 0.83 0.50 0.30 0.00 0.00 0.00 0.00 07:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:26 lo 19.34 19.34 10.01 10.01 0.00 0.00 0.00 0.00 08:00:26 ens3 1.00 0.72 0.20 0.15 0.00 0.00 0.00 0.00 08:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:26 lo 11.65 11.65 5.51 5.51 0.00 0.00 0.00 0.00 08:10:26 ens3 0.95 0.56 0.30 0.21 0.00 0.00 0.00 0.00 08:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:13 lo 23.41 23.41 7.67 7.67 0.00 0.00 0.00 0.00 08:20:13 ens3 2.56 0.33 0.41 0.13 0.00 0.00 0.00 0.00 08:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:26 lo 20.09 20.09 11.23 11.23 0.00 0.00 0.00 0.00 08:30:26 ens3 2.15 0.67 0.37 0.20 0.00 0.00 0.00 0.00 08:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:26 lo 16.61 16.61 9.44 9.44 0.00 0.00 0.00 0.00 08:40:26 ens3 1.54 0.50 11.07 0.12 0.00 0.00 0.00 0.00 08:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:26 lo 21.32 21.32 10.26 10.26 0.00 0.00 0.00 0.00 08:50:26 ens3 1.06 0.84 0.25 0.21 0.00 0.00 0.00 0.00 08:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.66 20.66 10.33 10.33 0.00 0.00 0.00 0.00 Average: ens3 1.63 0.81 1.43 0.35 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-16g-13179) 02/18/26 _x86_64_ (4 CPU) 07:01:43 LINUX RESTART (4 CPU) 07:10:25 CPU %user %nice %system %iowait %steal %idle 07:20:11 all 51.57 0.00 2.14 0.58 0.11 45.60 07:20:11 0 50.28 0.00 2.08 0.49 0.11 47.04 07:20:11 1 52.89 0.00 2.15 0.55 0.12 44.28 07:20:11 2 51.69 0.00 2.13 0.95 0.11 45.13 07:20:11 3 51.40 0.00 2.18 0.34 0.11 45.96 07:30:26 all 34.09 0.00 1.24 0.07 0.10 64.50 07:30:26 0 34.54 0.00 1.19 0.05 0.10 64.11 07:30:26 1 34.62 0.00 1.21 0.05 0.10 64.01 07:30:26 2 33.96 0.00 1.30 0.14 0.10 64.50 07:30:26 3 33.22 0.00 1.27 0.05 0.10 65.36 07:40:26 all 17.71 0.00 0.75 0.05 0.10 81.39 07:40:26 0 18.00 0.00 0.70 0.02 0.10 81.19 07:40:26 1 17.25 0.00 0.80 0.04 0.10 81.81 07:40:26 2 18.07 0.00 0.80 0.05 0.10 80.98 07:40:26 3 17.53 0.00 0.71 0.09 0.10 81.56 07:50:26 all 21.41 0.00 0.79 0.06 0.09 77.65 07:50:26 0 21.75 0.00 0.79 0.02 0.09 77.36 07:50:26 1 21.90 0.00 0.73 0.03 0.09 77.25 07:50:26 2 20.27 0.00 0.81 0.14 0.09 78.69 07:50:26 3 21.73 0.00 0.84 0.06 0.09 77.28 08:00:26 all 24.66 0.00 0.80 0.07 0.09 74.38 08:00:26 0 24.07 0.00 0.80 0.03 0.09 75.02 08:00:26 1 24.84 0.00 0.81 0.10 0.10 74.14 08:00:26 2 25.11 0.00 0.78 0.04 0.10 73.98 08:00:26 3 24.63 0.00 0.82 0.09 0.09 74.38 08:10:26 all 6.69 0.00 0.29 0.02 0.08 92.93 08:10:26 0 6.67 0.00 0.26 0.03 0.07 92.97 08:10:26 1 7.13 0.00 0.27 0.04 0.08 92.48 08:10:26 2 6.18 0.00 0.29 0.01 0.08 93.43 08:10:26 3 6.75 0.00 0.34 0.01 0.08 92.82 08:20:13 all 4.93 0.00 0.25 0.06 0.07 94.68 08:20:13 0 5.21 0.00 0.20 0.08 0.07 94.43 08:20:13 1 4.59 0.00 0.27 0.09 0.07 94.97 08:20:13 2 5.09 0.00 0.28 0.04 0.08 94.51 08:20:13 3 4.83 0.00 0.25 0.02 0.07 94.82 08:30:26 all 14.65 0.00 0.65 0.03 0.09 84.58 08:30:26 0 14.43 0.00 0.66 0.03 0.08 84.80 08:30:26 1 14.63 0.00 0.64 0.05 0.09 84.60 08:30:26 2 14.84 0.00 0.61 0.01 0.09 84.45 08:30:26 3 14.72 0.00 0.70 0.03 0.09 84.46 08:40:26 all 8.21 0.00 0.42 0.04 0.08 91.24 08:40:26 0 8.12 0.00 0.44 0.04 0.08 91.33 08:40:26 1 8.22 0.00 0.48 0.02 0.09 91.19 08:40:26 2 8.20 0.00 0.44 0.11 0.09 91.17 08:40:26 3 8.32 0.00 0.33 0.01 0.07 91.27 08:50:26 all 14.20 0.00 0.54 0.13 0.08 85.06 08:50:26 0 13.96 0.00 0.50 0.06 0.07 85.41 08:50:26 1 13.53 0.00 0.54 0.35 0.09 85.48 08:50:26 2 14.31 0.00 0.52 0.07 0.08 85.01 08:50:26 3 14.99 0.00 0.59 0.02 0.08 84.32 Average: all 19.80 0.00 0.79 0.11 0.09 79.22 Average: 0 19.69 0.00 0.76 0.08 0.09 79.38 Average: 1 19.94 0.00 0.79 0.13 0.09 79.04 Average: 2 19.76 0.00 0.79 0.15 0.09 79.20 Average: 3 19.80 0.00 0.80 0.07 0.09 79.24