# Mempool wal file size too big
**URL:** https://forum.cosmos.network/t/mempool-wal-file-size-too-big/6221
**Category:** Validation
**Created:** [April 5, 2022, 9:56am UTC](https://forum.cosmos.network/t/mempool-wal-file-size-too-big/6221 "2022-04-05T09:56:51Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@vtgraph](https://forum.cosmos.network/u/vtgraph)
#### Post date: [April 5, 2022, 9:56am UTC](https://forum.cosmos.network/t/mempool-wal-file-size-too-big/6221/1 "2022-04-05T09:56:51Z")
Hi, the mempool wal file size in our validators grows up to a few hungred GBs and even a few TBs. The configs for the validators are similar to those in [Configuration | Tendermint Core](https://docs.tendermint.com/master/tendermint-core/mempool/config.html). Any suggestions please for troubleshooting?
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### Author:  [@lexa](https://forum.cosmos.network/u/lexa)
#### Post date: [April 5, 2022, 3:40pm UTC](https://forum.cosmos.network/t/mempool-wal-file-size-too-big/6221/2 "2022-04-05T15:40:14Z")
Hi @vtgraph
You may have better luck accessing timely technical help on the [Cosmos Network](https://discord.gg/W8trcGV) Discord. The forum is not really suited for technical troubleshooting.
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### Author:  [@vtgraph](https://forum.cosmos.network/u/vtgraph)
#### Post date: [April 5, 2022, 5:23pm UTC](https://forum.cosmos.network/t/mempool-wal-file-size-too-big/6221/3 "2022-04-05T17:23:35Z")
Thanks @lexa. Already tried that before posting here but no reply so far. 😢 Do you perhaps know the right channel to ask?
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### Author:  [@uditvira](https://forum.cosmos.network/u/uditvira)
#### Post date: [April 5, 2022, 5:47pm UTC](https://forum.cosmos.network/t/mempool-wal-file-size-too-big/6221/4 "2022-04-05T17:47:06Z")
@vtgraph are you running a validator in the active set on Cosmos Hub? If so, you should ask one of the mods in the Discord to give you access to the verified validators channels in the Discord. Perhaps other validators can offer insight
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### Author:  [@vtgraph](https://forum.cosmos.network/u/vtgraph)
#### Post date: [April 5, 2022, 5:55pm UTC](https://forum.cosmos.network/t/mempool-wal-file-size-too-big/6221/5 "2022-04-05T17:55:05Z")
Thanks @uditvira. Yes I asked in that channel and another one too. Must not be a common problem. ☹
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### Author:  [@vtgraph](https://forum.cosmos.network/u/vtgraph)
#### Post date: [April 6, 2022, 10:01am UTC](https://forum.cosmos.network/t/mempool-wal-file-size-too-big/6221/6 "2022-04-06T10:01:04Z")
Based on discussion with from tendermint core developer on discord, fix seems to be `wal_dir = ""` and not set it to some path. Will test and confirm later.